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Hollow exhaust poppet valve
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Patent number 11,300,018
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Issue date Apr 12, 2022
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NITTAN VALVE CO., LTD.
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Koji Kunitake
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Cylinder head and engine
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Patent number 11,143,063
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Issue date Oct 12, 2021
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NITTAN VALVE CO., LTD.
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Tai Hwan Lee
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Mechanical lash adjuster
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Patent number 10,934,897
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Issue date Mar 2, 2021
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NITTAN VALVE CO., LTD.
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Michihiro Kameda
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Hollow single-phase induction motor
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Patent number 10,804,780
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Issue date Oct 13, 2020
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NITTAN VALVE CO., LTD.
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Michihiro Kameda
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Chuck device
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Patent number 10,799,957
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Issue date Oct 13, 2020
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Nittan Valve Co., Ltd.
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Takehiro Okuno
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Cutting apparatus and cutting blade
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Patent number 10,569,318
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Issue date Feb 25, 2020
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Nittan Valve Co., Ltd.
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Masaharu Takahashi
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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-
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Torque transmission device
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Patent number 10,451,162
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Issue date Oct 22, 2019
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Nittan Valve Co., Ltd.
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Takuya Furukawa
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Method for purifying metallic sodium
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Patent number 10,316,390
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Issue date Jun 11, 2019
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Nittan Valve Co., Ltd.
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Shigeru Uchida
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Hydraulic lash adjuster
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Patent number 10,301,979
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Issue date May 28, 2019
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Nittan Valve Co., Ltd.
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Yukio Kubota
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Method of machining screw
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Patent number 10,173,257
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Issue date Jan 8, 2019
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Nittan Valve Co., Ltd.
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Michihiro Kameda
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Bar material transfer method and conveyor
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Patent number 10,029,298
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Issue date Jul 24, 2018
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Nittan Valve Co., Ltd.
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Takahiro Shimizu
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Hollow poppet valve
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Patent number 9,920,663
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Issue date Mar 20, 2018
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Nittan Valve Co., Ltd.
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Osamu Tsuneishi
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Hydraulic lash adjuster
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Patent number 9,803,518
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Issue date Oct 31, 2017
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Nittan Valve Co., Ltd.
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Yukio Kubota
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Hollow poppet valve
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Patent number 9,790,822
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Issue date Oct 17, 2017
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Nittan Valve Co., Ltd.
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Osamu Tsuneishi
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Hydraulic lash adjuster
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Patent number 9,739,181
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Issue date Aug 22, 2017
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Nittan Valve Co., Ltd.
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Hiroyuki Ozawa
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Hollow poppet valve
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Patent number 9,689,506
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Issue date Jun 27, 2017
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Nittan Valve Co., Ltd.
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Koichi Homma
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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DLC film coating and coated valve lifter
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Patent number 9,657,384
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Issue date May 23, 2017
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Nittan Valve Co., Ltd.
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Yukio Kubota
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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CYLINDER HEAD AND ENGINE
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Publication number 20210285345
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Publication date Sep 16, 2021
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NITTAN VALVE CO., LTD.
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Tai Hwan LEE
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Method for Manufacturing Engine Poppet Valve
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Publication number 20210270154
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Publication date Sep 2, 2021
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NITTAN VALVE CO., LTD.
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Koji KUNITAKE
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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REDUCTION GEAR
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Publication number 20210207685
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Publication date Jul 8, 2021
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NITTAN VALVE CO., LTD.
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Michihiro Kameda
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B60 - VEHICLES IN GENERAL
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Wastegate Valve
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Publication number 20210017900
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Publication date Jan 21, 2021
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NITTAN VALVE CO., LTD.
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Maiku MIKAMI
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Hollow Exhaust Poppet Valve
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Publication number 20210003044
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Publication date Jan 7, 2021
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NITTAN VALVE CO., LTD.
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Koji KUNITAKE
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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-
WASTEGATE VALVE
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Publication number 20200088093
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Publication date Mar 19, 2020
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NITTAN VALVE CO., LTD.
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Shigeru Endo
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Mechanical Lash Adjuster
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Publication number 20190316495
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Publication date Oct 17, 2019
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NITTAN VALVE CO., LTD.
-
Michihiro KAMEDA
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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-
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Valve Mechanism and Mechanical Lash Adjuster
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Publication number 20190145287
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Publication date May 16, 2019
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NITTAN VALVE CO., LTD.
-
Michihiro KAMEDA
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
-
Hollow Single-Phase Induction Motor
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Publication number 20190081541
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Publication date Mar 14, 2019
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NITTAN VALVE CO., LTD.
-
Michihiro KAMEDA
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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-
-
-
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METHOD FOR PURIFYING METALLIC SODIUM
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Publication number 20180142324
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Publication date May 24, 2018
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NITTAN VALVE CO., LTD.
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Shigeru UCHIDA
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C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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CUTTING APPARATUS AND CUTTING BLADE
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Publication number 20180104730
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Publication date Apr 19, 2018
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NITTAN VALVE CO., LTD.
-
Masaharu TAKAHASHI
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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TORQUE TRANSMISSION DEVICE
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Publication number 20180066742
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Publication date Mar 8, 2018
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NITTAN VALVE CO., LTD.
-
Takuya FURUKAWA
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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METHOD OF MACHINING SCREW
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Publication number 20180050383
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Publication date Feb 22, 2018
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NITTAN VALVE CO., LTD.
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Michihiro KAMEDA
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C21 - METALLURGY OF IRON
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-
-
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BAR MATERIAL TRANSFER METHOD AND CONVEYOR
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Publication number 20170072457
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Publication date Mar 16, 2017
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NITTAN VALVE CO., LTD.
-
Takahiro Shimizu
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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HYDRAULIC LASH ADJUSTER
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Publication number 20170044937
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Publication date Feb 16, 2017
-
NITTAN VALVE CO., LTD.
-
Hiroyuki OZAWA
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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HYDRAULIC LASH ADJUSTER
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Publication number 20160376936
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Publication date Dec 29, 2016
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NITTAN VALVE CO., LTD.
-
Yukio Kubota
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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HOLLOW POPPET VALVE
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Publication number 20160356186
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Publication date Dec 8, 2016
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NITTAN VALVE CO., LTD.
-
Osamu Tsuneishi
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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POPPET VALVE
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Publication number 20160348546
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Publication date Dec 1, 2016
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NITTAN VALVE CO., LTD.
-
Kazunori Kurahashi
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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85958553
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Serial number 85958553
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Registration number 4487698
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Filing date Jun 13, 2013
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Nittan Valve Co., Ltd.
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7 - Machines and machine tools
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85958523 - NITTAN
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Serial number 85958523
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Registration number 4470375
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Filing date Jun 13, 2013
-
Nittan Valve Co., Ltd.
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7 - Machines and machine tools
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85091451
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Serial number 85091451
-
Filing date Jul 23, 2010
-
Nittan Valve Co., Ltd.
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7 - Machines and machine tools
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85091431 - NITTAN VALVE
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Serial number 85091431
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Filing date Jul 23, 2010
-
Nittan Valve Co., Ltd.
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7 - Machines and machine tools
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85091508 - NT-VCP
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Serial number 85091508
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Registration number 4261778
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Filing date Jul 23, 2010
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Nittan Valve Co., Ltd.
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7 - Machines and machine tools