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Kouya OOHIRA
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing machine component
Patent number
11,344,948
Issue date
May 31, 2022
NTN Corporation
Naoki Yashiro
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Sintered machine part and method of manufacturing the same
Patent number
10,107,376
Issue date
Oct 23, 2018
NTN Corporation
Takahiro Okuno
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Highly dielectric elastomer molded body and electronic component ma...
Patent number
9,376,572
Issue date
Jun 28, 2016
NTN Corporation
Kouya Oohira
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Hard film, hard film formed body, and rolling bearing
Patent number
9,347,491
Issue date
May 24, 2016
NTN Corporation
Hideyuki Tsutsui
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Amorphous carbon film and method for forming same
Patent number
9,217,195
Issue date
Dec 22, 2015
NTN Corporation
Kouya Oohira
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Roller bearing
Patent number
9,074,630
Issue date
Jul 7, 2015
NTN Corporation
Miki Arihana
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Rolling bearing
Patent number
9,051,653
Issue date
Jun 9, 2015
NTN Corporation
Hideyuki Tsutsui
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hard multilayer film formed body and method for manufacturing same
Patent number
8,728,621
Issue date
May 20, 2014
NTN Corporation
Kouya Oohira
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Member for rolling bearing and rolling bearing
Patent number
8,672,556
Issue date
Mar 18, 2014
NTN Corporation
Yoshihide Himeno
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Dielectric elastomer composition and high-frequency electronic comp...
Patent number
8,357,314
Issue date
Jan 22, 2013
NTN Corporation
Kouya Oohira
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Rolling bearing with a ceramic coating and method for manufacturing...
Patent number
8,172,463
Issue date
May 8, 2012
NTN Corporation
Tatsuo Nakajima
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Dielectric elastomer composition and antenna member
Patent number
8,173,732
Issue date
May 8, 2012
NTN Corporation
Kouya Oohira
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Highly dielectric elastomer composition and dielectric antenna
Patent number
7,678,853
Issue date
Mar 16, 2010
NTN Corporation
Kouya Oohira
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Magnetic encoder and wheel support bearing assembly using the same
Patent number
7,592,799
Issue date
Sep 22, 2009
NTN Corporation
Tatsuo Nakajima
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Magnetic encoder and wheel support bearing assembly using the same
Patent number
7,374,343
Issue date
May 20, 2008
NTN Corporation
Tatsuo Nakajima
G01 - MEASURING TESTING
Information
Patent Grant
Magnetic encoder and wheel support bearing assembly utilizing the same
Patent number
7,237,960
Issue date
Jul 3, 2007
NTN Corporation
Kouya Oohira
G01 - MEASURING TESTING
Information
Patent Grant
Wheel support bearing assembly with magnetic encoder
Patent number
7,207,723
Issue date
Apr 24, 2007
NTN Corporation
Tatsuo Nakajima
G01 - MEASURING TESTING
Information
Patent Grant
Composition having lubricity and product comprising the composition
Patent number
6,569,816
Issue date
May 27, 2003
NTN Corporation
Kouya Oohira
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Rolling bearing for supporting rotary shaft of disk memory device
Patent number
6,332,717
Issue date
Dec 25, 2001
NTN Corporation
Kouya Oohira
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PRODUCING MACHINE COMPONENT
Publication number
20210308760
Publication date
Oct 7, 2021
NTN Corporation
Naoki YASHIRO
B22 - CASTING POWDER METALLURGY
Information
Patent Application
PIEZOELECTRIC ELEMENT AND METHOD OF MANUFACTURING THE SAME
Publication number
20190229255
Publication date
Jul 25, 2019
NTN Corporation
Ken YASUDA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PRESSED POWDER MAGNETIC CORE MATERIAL, PRESSED POWDER MAGNETIC CORE...
Publication number
20180281061
Publication date
Oct 4, 2018
NTN Corporation
Noritaka KAKO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MACHINE COMPONENT AND PRODUCTION METHOD THEREFOR
Publication number
20180056394
Publication date
Mar 1, 2018
NTN Corporation
Naoki YASHIRO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MAGNETIC CORE POWDER, DUST CORE, AND METHOD FOR PRODUCING MAGNETIC...
Publication number
20180043431
Publication date
Feb 15, 2018
NTN Corporation
Hikaru ARAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
GREEN COMPACT AND METHOD FOR PRODUCING SAME
Publication number
20170343044
Publication date
Nov 30, 2017
NTN Corporation
Naoki YASHIRO
B22 - CASTING POWDER METALLURGY
Information
Patent Application
BEARING RING AND ROLLER BEARING HAVING SAID BEARING RING
Publication number
20170108045
Publication date
Apr 20, 2017
NTN Corporation
Naoki YASHIRO
C21 - METALLURGY OF IRON
Information
Patent Application
SINTERED MACHINE PART AND METHOD OF MANUFACTURING THE SAME
Publication number
20160369881
Publication date
Dec 22, 2016
NTN Corporation
Takahiro Okuno
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
SLIDING BEARING
Publication number
20160341251
Publication date
Nov 24, 2016
NTN Corporation
Noriyoshi YOSHIZUKA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
SINTERED MACHINE PART AND MANUFACTURING METHOD THEREOF
Publication number
20160327144
Publication date
Nov 10, 2016
NTN Corporation
Takahiro Okuno
C21 - METALLURGY OF IRON
Information
Patent Application
MACHINE COMPONENT USING POWDER COMPACT AND METHOD FOR PRODUCING SAME
Publication number
20160311026
Publication date
Oct 27, 2016
NTN Corporation
Naoki YASHIRO
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HARD FILM, HARD FILM FORMED BODY, AND ROLLING BEARING
Publication number
20140219595
Publication date
Aug 7, 2014
NTN CORPORATION
Hideyuki Tsutsui
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ROLLER BEARING
Publication number
20140153854
Publication date
Jun 5, 2014
Miki Arihana
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
AMORPHOUS CARBON FILM AND METHOD FOR FORMING SAME
Publication number
20140030512
Publication date
Jan 30, 2014
NTN Corporation
Kouya Oohira
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
MEMBER FOR ROLLING BEARING AND ROLLING BEARING
Publication number
20130301965
Publication date
Nov 14, 2013
NTN Corporation
YOSHIHIDE HIMENO
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
CAGE FOR ROLLING BEARING AND ROLLING BEARING
Publication number
20130182987
Publication date
Jul 18, 2013
Yoshihide Himeno
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
ROLLING BEARING
Publication number
20130016937
Publication date
Jan 17, 2013
NTN CORPORATION
Hideyuki Tsutsui
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HARD MULTILAYER FILM FORMED BODY AND METHOD FOR MANUFACTURING SAME
Publication number
20110195265
Publication date
Aug 11, 2011
Kouya Oohira
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HIGHLY DIELECTRIC ELASTOMER MOLDED BODY AND ELECTRONIC COMPONENT MA...
Publication number
20100103638
Publication date
Apr 29, 2010
NTN Corporation
Kouya Oohira
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
DIELECTRIC ELASTOMER COMPOSITION AND ANTENNA MEMBER
Publication number
20100090905
Publication date
Apr 15, 2010
NTN Corporation
Kouya Oohira
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ROLLING BEARING AND METHOD FOR MANUFACTURING THE SAME
Publication number
20090010585
Publication date
Jan 8, 2009
NTN Corporation
Tatsuo Nakajima
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Magnetic encoder and wheel support bearing assembly using the same
Publication number
20080226211
Publication date
Sep 18, 2008
NTN Corporation
Tatsuo Nakajima
G01 - MEASURING TESTING
Information
Patent Application
Magnetic Encoder and Wheel Support Bearing Assembly Using The Same
Publication number
20070273362
Publication date
Nov 29, 2007
Tatsuo Nakajima
B60 - VEHICLES IN GENERAL
Information
Patent Application
Magnetic encoder and wheel support bearing assembly utilizing the same
Publication number
20050058376
Publication date
Mar 17, 2005
NTN Corporation
Kouya Oohira
G01 - MEASURING TESTING
Information
Patent Application
Wheel support bearing assembly with magnetic encoder
Publication number
20040179760
Publication date
Sep 16, 2004
NTN Corporation
Tatsuo Nakajima
G01 - MEASURING TESTING
Information
Patent Application
Magnetic encoder and wheel support bearing assembly using the same
Publication number
20040165799
Publication date
Aug 26, 2004
NTN Corporation
Tatsuo Nakajima
G01 - MEASURING TESTING
Information
Patent Application
Composition having lubricity and product comprising the composition
Publication number
20030022797
Publication date
Jan 30, 2003
Kouya Oohira
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...