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Kazuhiro Yagita
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Kuwana-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method for producing bearing ring, double row tapered roller bearin...
Patent number
10,718,377
Issue date
Jul 21, 2020
NTN Corporation
Michio Hori
C21 - METALLURGY OF IRON
Information
Patent Grant
Double row tapered roller bearing, bearing ring, and method for pro...
Patent number
10,378,076
Issue date
Aug 13, 2019
NTN Corporation
Michio Hori
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Heat treatment method and method of manufacturing machine part
Patent number
10,161,015
Issue date
Dec 25, 2018
NTN Corporation
Takumi Fujita
C21 - METALLURGY OF IRON
Information
Patent Grant
Inspection method for bearing part and inspection apparatus for bea...
Patent number
9,702,834
Issue date
Jul 11, 2017
NTN Corporation
Takumi Fujita
G01 - MEASURING TESTING
Information
Patent Grant
Manufacturing method of machine component
Patent number
9,611,533
Issue date
Apr 4, 2017
NTN Corporation
Takumi Fujita
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing a bearing ring
Patent number
9,487,843
Issue date
Nov 8, 2016
NTN Corporation
Hiroshi Yuki
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing a bearing ring
Patent number
9,243,305
Issue date
Jan 26, 2016
NTN Corporation
Hiroshi Yuki
C21 - METALLURGY OF IRON
Information
Patent Grant
Rolling bearing
Patent number
8,485,730
Issue date
Jul 16, 2013
NTN Corporation
Hiroshi Morishita
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Mechanical component and rolling bearing
Patent number
8,453,528
Issue date
Jun 4, 2013
NTN Corporation
Chikara Ohki
C21 - METALLURGY OF IRON
Information
Patent Grant
Mechanical component and rolling bearing
Patent number
8,337,089
Issue date
Dec 25, 2012
NTN Corporation
Chikara Ohki
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
DOUBLE ROW TAPERED ROLLER BEARING, BEARING RING, AND METHOD FOR PRO...
Publication number
20180347005
Publication date
Dec 6, 2018
NTN Corporation
Michio HORI
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
METHOD FOR PRODUCING BEARING RING, DOUBLE ROW TAPERED ROLLER BEARIN...
Publication number
20180347623
Publication date
Dec 6, 2018
NTN CORPORATION
Michio HORI
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
METHOD FOR PRODUCING BEARING RING AND METHOD FOR PRODUCING DOUBLE R...
Publication number
20180320737
Publication date
Nov 8, 2018
NTN Corporation
Michio HORI
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Application
METHOD FOR HEAT-TREATING A RING-SHAPED MEMBER, METHOD FOR PRODUCING...
Publication number
20160153496
Publication date
Jun 2, 2016
NTN Corporation
Hiroshi YUKI
C21 - METALLURGY OF IRON
Information
Patent Application
HEAT TREATMENT METHOD AND METHOD OF MANUFACTURING MACHINE PART
Publication number
20150315669
Publication date
Nov 5, 2015
NTN CORPORATION
Takumi FUJITA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING MACHINE COMPONENT
Publication number
20150240342
Publication date
Aug 27, 2015
NTN Corporation
Takumi Fujita
C21 - METALLURGY OF IRON
Information
Patent Application
INSPECTION METHOD FOR BEARING PART AND INSPECTION APPARATUS FOR BEA...
Publication number
20150146857
Publication date
May 28, 2015
NTN CORPORATION
Takumi Fujita
G01 - MEASURING TESTING
Information
Patent Application
MANUFACTURING METHOD OF MACHINE COMPONENT
Publication number
20140048179
Publication date
Feb 20, 2014
NTN CORPORATION
Takumi Fujita
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING BEARING RING, BEARING RING, AND ROLLING BEARING
Publication number
20130301969
Publication date
Nov 14, 2013
NTN CORPORATION
Hiroshi Yuki
C21 - METALLURGY OF IRON
Information
Patent Application
MECHANICAL COMPONENT AND ROLLING BEARING
Publication number
20120014635
Publication date
Jan 19, 2012
NTN Corporation
Chikara OHKI
C21 - METALLURGY OF IRON
Information
Patent Application
MECHANICAL COMPONENT AND ROLLING BEARING
Publication number
20100239205
Publication date
Sep 23, 2010
Chikara Ohki
C21 - METALLURGY OF IRON
Information
Patent Application
ROLLING BEARING
Publication number
20090245706
Publication date
Oct 1, 2009
NTN Corporation
Hiroshi MORISHITA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...