NIPPON TUNGSTEN CO., LTD.

Organization

Fukuoka, JP

Organizations

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Patents Grantslast 30 patents

Information Patent Grant
Member for plasma processing apparatus and plasma processing appara...
- Patent number 11,548,827
- Issue date Jan 10, 2023
- Nippon Tungsten Co., Ltd.
- Takashi Ikeda
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Member for plasma processing apparatus, plasma processing apparatus...
- Patent number 11,434,174
- Issue date Sep 6, 2022
- Nippon Tungsten Co., Ltd.
- Takashi Ikeda
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Deep ultraviolet LED and method for producing the same
- Patent number 11,309,454
- Issue date Apr 19, 2022
- Marubun Corporation
- Yukio Kashima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sliding material, shaft sleeve, and pump provided with shaft sleeve
- Patent number 10,859,088
- Issue date Dec 8, 2020
- Ebara Corporation
- Nobuaki Ito
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Anvil roll, rotary cutter, and method for cutting workpiece
- Patent number 10,493,649
- Issue date Dec 3, 2019
- Nippon Tungsten Co., Ltd.
- Takahiro Yoshihara
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Roll for rotary cutter and rotary cutter
- Patent number 10,391,663
- Issue date Aug 27, 2019
- NIPPON TUNGSTEN CO., LTD.
- Yasunori Tsuji
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
MgO target for sputtering
- Patent number 9,773,652
- Issue date Sep 26, 2017
- Ube Material Industries, Ltd.
- Satoru Sano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Substrates for thin-film magnetic heads, magnetic head sliders, and...
- Patent number 9,293,155
- Issue date Mar 22, 2016
- Nippon Tungsten Co., Ltd.
- Yusuke Hara
- G11 - INFORMATION STORAGE
Information Patent Grant
Substrates for thin-film magnetic heads, magnetic head sliders, and...
- Patent number 9,293,154
- Issue date Mar 22, 2016
- Nippon Tungsten Co., Ltd.
- Yusuke Hara
- G11 - INFORMATION STORAGE
Information Patent Grant
Substrates for thin-film magnetic heads, magnetic head sliders, and...
- Patent number 9,293,156
- Issue date Mar 22, 2016
- Nippon Tungsten Co., Ltd.
- Yusuke Hara
- G11 - INFORMATION STORAGE
Information Patent Grant
Dielectric layer for electrostatic chuck and electrostatic chuck
- Patent number 9,120,704
- Issue date Sep 1, 2015
- Nippon Tungsten Co., Ltd.
- Kouta Tsutsumi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Composite ceramic body, and component member for semiconductor manu...
- Patent number 9,079,800
- Issue date Jul 14, 2015
- Nippon Tungsten Co., Ltd.
- Kouta Tsutsumi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Tungsten cathode material
- Patent number 8,758,652
- Issue date Jun 24, 2014
- Nippon Tungsten Co., Ltd.
- Akira Matsuo
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Fine metal carbide particles and methods of manufacturing the same
- Patent number 8,486,529
- Issue date Jul 16, 2013
- Fukuoka Prefecture
- Yoko Taniguchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Electrode for spot welding
- Patent number 8,471,169
- Issue date Jun 25, 2013
- Nippon Tungsten Co., Ltd.
- Shingo Mukae
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Polycrystalline magnesium oxide (MgO) sintered body and MgO sputter...
- Patent number 8,454,933
- Issue date Jun 4, 2013
- Nippon Tungsten Co., Ltd.
- Mitsuyoshi Nagano
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Titanium carbide powder and titanium carbide-ceramics composite pow...
- Patent number 8,148,281
- Issue date Apr 3, 2012
- Fukuoka Prefecture
- Yoko Taniguchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Titanium carbide powder and titanium carbide-ceramics composite pow...
- Patent number 7,915,187
- Issue date Mar 29, 2011
- Fukuoka Prefecture
- Yoko Taniguchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
High-density composite material
- Patent number 7,304,105
- Issue date Dec 4, 2007
- Nippon Tungsten Co., Ltd.
- Yasunao Kai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
WC-base composite ceramic sintered compact
- Patent number 6,551,954
- Issue date Apr 22, 2003
- Nippon Tungsten Co., Ltd.
- Mitsuyoshi Nagano
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Die cut roll
- Patent number 6,279,443
- Issue date Aug 28, 2001
- Nippon Tungsten Co., Ltd.
- Kenji Nakahara
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Alumina base ceramic sintered body and its manufacturing method
- Patent number 6,133,182
- Issue date Oct 17, 2000
- Nippon Tungsten Co., Ltd.
- Toyoshige Sasaki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Substrate material for a magnetic head
- Patent number 5,914,285
- Issue date Jun 22, 1999
- Nippon Tungsten Co., Ltd.
- Toyoshige Sasaki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Substrate and heat sink for a semiconductor and method of manufactu...
- Patent number 5,886,269
- Issue date Mar 23, 1999
- Nippon Tungsten Co., Ltd.
- Yasunao Kai
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
PTC planar heater and method for adjusting the resistance of the same
- Patent number 5,804,797
- Issue date Sep 8, 1998
- Nippon Tungsten Co., Ltd.
- Takashi Kaimoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Sub-nozzle in an air injection type weaving machine
- Patent number 5,649,571
- Issue date Jul 22, 1997
- Nippon Tungsten Co., Ltd.
- Michito Miyahara
- D03 - WEAVING
Information Patent Grant
Substrate materials for magnetic heads with low flying height
- Patent number 5,595,946
- Issue date Jan 21, 1997
- Sumitomo Special Metals Co., Ltd.
- Shinji Tsujimoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
PTC panel heater with small rush current characteristic and highly...
- Patent number 5,592,647
- Issue date Jan 7, 1997
- Nippon Tungsten Co., Ltd.
- Masahiro Yamauchi
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Titanium-base hard sintered alloy
- Patent number 5,545,248
- Issue date Aug 13, 1996
- Nippon Tungsten Co., Ltd.
- Kei Tokumoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Magnetic head slider material
- Patent number 5,432,016
- Issue date Jul 11, 1995
- Sumitomo Special Metals Co., Ltd.
- Toshiaki Wada
- G11 - INFORMATION STORAGE

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Patents Applicationslast 30 patents

Information Patent Application
ROTARY CUTTER UNIT
- Publication number 20240351233
- Publication date Oct 24, 2024
- NIPPON TUNGSTEN CO., LTD.
- Yasunori TSUJI
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
DEEP ULTRAVIOLET LED AND METHOD FOR PRODUCING THE SAME
- Publication number 20210036186
- Publication date Feb 4, 2021
- MARUBUN CORPORATION
- Yukio KASHIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MEMBER FOR PLASMA PROCESSING APPARATUS, PLASMA PROCESSING APPARATUS...
- Publication number 20200317583
- Publication date Oct 8, 2020
- NIPPON TUNGSTEN CO., LTD.
- Takashi IKEDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MEMBER FOR PLASMA PROCESSING APPARATUS, PLASMA PROCESSING APPARATUS...
- Publication number 20200317582
- Publication date Oct 8, 2020
- NIPPON TUNGSTEN CO., LTD.
- Takashi IKEDA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ROLL FOR ROTARY CUTTER AND ROTARY CUTTER
- Publication number 20190337183
- Publication date Nov 7, 2019
- Nippon Tungsten Co., Ltd.
- Yasunori TSUJI
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
SLIDING MATERIAL, SHAFT SLEEVE, AND PUMP PROVIDED WITH SHAFT SLEEVE
- Publication number 20190113047
- Publication date Apr 18, 2019
- EBARA CORPORATION
- Nobuaki ITO
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
ANVIL ROLL, ROTARY CUTTER, AND METHOD FOR CUTTING WORKPIECE
- Publication number 20180311852
- Publication date Nov 1, 2018
- Nippon Tungsten Co., Ltd.
- Takahiro YOSHIHARA
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
ROLL FOR ROTARY CUTTER AND ROTARY CUTTER
- Publication number 20170239832
- Publication date Aug 24, 2017
- Nippon Tungsten Co., Ltd.
- Yasunori TSUJI
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Application
SUBSTRATES FOR THIN-FILM MAGNETIC HEADS, MAGNETIC HEAD SLIDERS, AND...
- Publication number 20150380023
- Publication date Dec 31, 2015
- Nippon Tungsten Co., Ltd.
- Yusuke HARA
- G11 - INFORMATION STORAGE
Information Patent Application
SUBSTRATES FOR THIN-FILM MAGNETIC HEADS, MAGNETIC HEAD SLIDERS, AND...
- Publication number 20150380025
- Publication date Dec 31, 2015
- Nippon Tungsten Co., Ltd.
- Yusuke HARA
- G11 - INFORMATION STORAGE
Information Patent Application
SUBSTRATES FOR THIN-FILM MAGNETIC HEADS, MAGNETIC HEAD SLIDERS, AND...
- Publication number 20150380024
- Publication date Dec 31, 2015
- Nippon Tungsten Co., Ltd.
- Yusuke HARA
- G11 - INFORMATION STORAGE
Information Patent Application
MgO TARGET FOR SPUTTERING
- Publication number 20140144775
- Publication date May 29, 2014
- NIPPON TUNGSTEN CO., LTD.
- Satoru Sano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
DIELECTRIC LAYER FOR ELECTROSTATIC CHUCK AND ELECTROSTATIC CHUCK
- Publication number 20140103612
- Publication date Apr 17, 2014
- NIPPON TUNGSTEN CO., LTD.
- Kouta Tsutsumi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
TUNGSTEN CATHODE MATERIAL
- Publication number 20140017114
- Publication date Jan 16, 2014
- NIPPON TUNGSTEN CO., LTD.
- Akira Matsuo
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
COMPOSITE CERAMIC BODY, AND COMPONENT MEMBER FOR SEMICONDUCTOR MANU...
- Publication number 20130299749
- Publication date Nov 14, 2013
- NIPPON TUNGSTEN CO., LTD
- Kouta TSUTSUMI
- B82 - NANO-TECHNOLOGY
Information Patent Application
ELECTRODE FOR ELECTRIC DISCHARGE MACHINING
- Publication number 20130264314
- Publication date Oct 10, 2013
- NIPPON TUNGSTEN CO., LTD.
- Hirofumi Yamaguchi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
TUNGSTEN CATHODE MATERIAL
- Publication number 20120091922
- Publication date Apr 19, 2012
- NIPPON TUNGSTEN CO., LTD.
- Akira Matsuo
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
METHOD OF SHEARING THIN PLATE
- Publication number 20110174125
- Publication date Jul 21, 2011
- NIPPON TUNGSTEN CO., LTD.
- Makoto Funabiki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Titanium carbide powder and titanium carbide-ceramics composite pow...
- Publication number 20110160034
- Publication date Jun 30, 2011
- Fukuoka Prefecture
- Yoko Taniguchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
POLYCRYSTALLINE MgO SINTERED BODY, PRODUCTION METHOD THEREFOR, AND...
- Publication number 20100294657
- Publication date Nov 25, 2010
- NIPPON TUNGSTEN CO., LTD.
- Mitsuyoshi Nagano
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Electrode for spot welding
- Publication number 20100193478
- Publication date Aug 5, 2010
- NIPPON TUNGSTEN CO., LTD.
- Shingo Mukae
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
SUBSTRATE MATERIAL FOR MAGNETIC HEAD AND METHOD FOR MANUFACTURING T...
- Publication number 20100143749
- Publication date Jun 10, 2010
- NIPPON TUNGSTEN CO., LTD.
- Shigeki Mori
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Shaping Tool and Methods of Using the Same
- Publication number 20090120155
- Publication date May 14, 2009
- NIPPON TUNGSTEN CO., LTD.
- Koki Minamoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
MATERIAL OF CERAMIC SUBSTRATE FOR THIN-FILM MAGNETIC HEAD
- Publication number 20090068498
- Publication date Mar 12, 2009
- Hitachi Metals, Ltd.
- Hidetaka Sakumichi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Tungsten based sintered compact and method for production thereof
- Publication number 20070172378
- Publication date Jul 26, 2007
- NIPPON TUNGSTEN CO., LTD.
- Takuji Shibuya
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

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Trademarklast 30 trademarks

Information Trademark
72332512 - NPC
- Serial number 72332512
- Registration number 915896
- Filing date Jul 14, 1969
- NIPPON TUNGSTEN
- 7 - Machines and machine tools

NIPPON TUNGSTEN CO., LTD.

Organization

Patents Grantslast 30 patents

Member for plasma processing apparatus and plasma processing appara...

Member for plasma processing apparatus, plasma processing apparatus...

Deep ultraviolet LED and method for producing the same

Sliding material, shaft sleeve, and pump provided with shaft sleeve

Anvil roll, rotary cutter, and method for cutting workpiece

Roll for rotary cutter and rotary cutter

MgO target for sputtering

Substrates for thin-film magnetic heads, magnetic head sliders, and...

Substrates for thin-film magnetic heads, magnetic head sliders, and...

Substrates for thin-film magnetic heads, magnetic head sliders, and...

Dielectric layer for electrostatic chuck and electrostatic chuck

Composite ceramic body, and component member for semiconductor manu...

Tungsten cathode material

Fine metal carbide particles and methods of manufacturing the same

Electrode for spot welding

Polycrystalline magnesium oxide (MgO) sintered body and MgO sputter...

Titanium carbide powder and titanium carbide-ceramics composite pow...

Titanium carbide powder and titanium carbide-ceramics composite pow...

High-density composite material

WC-base composite ceramic sintered compact

Die cut roll

Alumina base ceramic sintered body and its manufacturing method

Substrate material for a magnetic head

Substrate and heat sink for a semiconductor and method of manufactu...

PTC planar heater and method for adjusting the resistance of the same

Sub-nozzle in an air injection type weaving machine

Substrate materials for magnetic heads with low flying height

PTC panel heater with small rush current characteristic and highly...

Titanium-base hard sintered alloy

Magnetic head slider material

Patents Applicationslast 30 patents

ROTARY CUTTER UNIT

DEEP ULTRAVIOLET LED AND METHOD FOR PRODUCING THE SAME

MEMBER FOR PLASMA PROCESSING APPARATUS, PLASMA PROCESSING APPARATUS...

MEMBER FOR PLASMA PROCESSING APPARATUS, PLASMA PROCESSING APPARATUS...

ROLL FOR ROTARY CUTTER AND ROTARY CUTTER

SLIDING MATERIAL, SHAFT SLEEVE, AND PUMP PROVIDED WITH SHAFT SLEEVE

ANVIL ROLL, ROTARY CUTTER, AND METHOD FOR CUTTING WORKPIECE

ROLL FOR ROTARY CUTTER AND ROTARY CUTTER

SUBSTRATES FOR THIN-FILM MAGNETIC HEADS, MAGNETIC HEAD SLIDERS, AND...

SUBSTRATES FOR THIN-FILM MAGNETIC HEADS, MAGNETIC HEAD SLIDERS, AND...

SUBSTRATES FOR THIN-FILM MAGNETIC HEADS, MAGNETIC HEAD SLIDERS, AND...

MgO TARGET FOR SPUTTERING

DIELECTRIC LAYER FOR ELECTROSTATIC CHUCK AND ELECTROSTATIC CHUCK

TUNGSTEN CATHODE MATERIAL

COMPOSITE CERAMIC BODY, AND COMPONENT MEMBER FOR SEMICONDUCTOR MANU...

ELECTRODE FOR ELECTRIC DISCHARGE MACHINING

TUNGSTEN CATHODE MATERIAL

METHOD OF SHEARING THIN PLATE

Titanium carbide powder and titanium carbide-ceramics composite pow...

POLYCRYSTALLINE MgO SINTERED BODY, PRODUCTION METHOD THEREFOR, AND...

Electrode for spot welding

SUBSTRATE MATERIAL FOR MAGNETIC HEAD AND METHOD FOR MANUFACTURING T...

Shaping Tool and Methods of Using the Same

MATERIAL OF CERAMIC SUBSTRATE FOR THIN-FILM MAGNETIC HEAD

Tungsten based sintered compact and method for production thereof

Trademarklast 30 trademarks

72332512 - NPC