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Diaphragm pump
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Patent number 11,225,960
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Issue date Jan 18, 2022
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Okenseiko Co., Ltd.
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Akira Inoue
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Diaphragm pump
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Patent number 10,641,262
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Issue date May 5, 2020
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Okenseiko Co., Ltd.
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Akira Inoue
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Pump with motor
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Patent number 10,641,261
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Issue date May 5, 2020
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Okenseiko Co., Ltd.
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Akira Inoue
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F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
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Diaphragm pump
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Patent number 10,550,832
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Issue date Feb 4, 2020
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Okenseiko Co., Ltd.
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Kazuki Itahara
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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-
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Diaphragm pump
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Patent number 9,453,504
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Issue date Sep 27, 2016
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Okenseiko Co., Ltd.
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Tadashi Fukami
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Diaphragm pump
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Patent number 9,341,176
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Issue date May 17, 2016
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Okenseiko Co., Ltd.
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Kazuki Itahara
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Miniature pump with ball-plate drive
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Patent number 6,506,033
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Issue date Jan 14, 2003
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Okenseiko Co., Ltd.
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Tadashi Fukami
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Compact pump
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Patent number 6,206,664
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Issue date Mar 27, 2001
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Okenseiko Co., Ltd.
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Goro Kakizawa
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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DIAPHRAGM PUMP
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Publication number 20200173433
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Publication date Jun 4, 2020
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OKENSEIKO CO., LTD.
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Akira INOUE
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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DIAPHRAGM PUMP
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Publication number 20180363646
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Publication date Dec 20, 2018
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OKENSEIKO CO., LTD.
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Akira INOUE
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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PUMP WITH MOTOR
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Publication number 20180223824
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Publication date Aug 9, 2018
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OKENSEIKO CO., LTD.
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Akira INOUE
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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DIAPHRAGM PUMP
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Publication number 20180223828
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Publication date Aug 9, 2018
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OKENSEIKO CO., LTD.
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Kazuki ITAHARA
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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-
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DIAPHRAGM PUMP
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Publication number 20140154117
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Publication date Jun 5, 2014
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OKENSEIKO CO., LTD.
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Tadashi Fukami
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...