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Kiyoshi Okubo
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Maebashi-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Disk for toroidal type continuously variable transmission
Patent number
RE39647
Issue date
May 22, 2007
NSK Ltd.
Kiyoshi Okubo
476 - Friction gear transmission systems or components
Information
Patent Grant
Wheel drive unit
Patent number
7,104,893
Issue date
Sep 12, 2006
NSK Ltd.
Hideo Ouchi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for manufacturing a hollow rack shaft
Patent number
7,069,764
Issue date
Jul 4, 2006
NSK Ltd.
Akira Tsubouchi
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Sheet metal rocker arm, manufacturing method thereof, cam follower...
Patent number
6,959,676
Issue date
Nov 1, 2005
NSK Ltd.
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for manufacturing a hollow rack shaft
Patent number
6,898,853
Issue date
May 31, 2005
NSK Ltd.
Akira Tsubouchi
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Method for manufacturing a hollow rack shaft
Patent number
6,845,560
Issue date
Jan 25, 2005
NSK Ltd.
Akira Tsubouchi
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Method of manufacturing hollow rack shaft
Patent number
6,782,598
Issue date
Aug 31, 2004
NSK Ltd.
Akira Tsubouchi
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Hollow rack shaft and manufacturing method thereof
Patent number
6,782,772
Issue date
Aug 31, 2004
NSK Ltd.
Akira Tsubouchi
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Method for manufacturing a hollow rack shaft
Patent number
6,779,271
Issue date
Aug 24, 2004
NSK Ltd.
Akira Tsubouchi
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Hollow rack shaft and manufacturing method thereof
Patent number
6,763,739
Issue date
Jul 20, 2004
NSK Ltd.
Akira Tsubouchi
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Sheet metal rocker arm, manufacturing method thereof, cam follower...
Patent number
6,672,266
Issue date
Jan 6, 2004
NSK Ltd.
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Sheet metal rocker arm, manufacturing method thereof, cam follower...
Patent number
6,601,555
Issue date
Aug 5, 2003
NSK Ltd.
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Sheet metal rocker arm, manufacturing method thereof, cam follower...
Patent number
6,588,101
Issue date
Jul 8, 2003
NSK Ltd.
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Hollow rack shaft
Patent number
6,588,293
Issue date
Jul 8, 2003
NSK Ltd.
Akira Tsubouchi
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Loading cam apparatus for toroidal type continuously variable trans...
Patent number
6,520,888
Issue date
Feb 18, 2003
NSK Ltd.
Hiroyuki Itoh
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Sheet metal rocker arm, manufacturing method thereof, cam follower...
Patent number
6,508,215
Issue date
Jan 21, 2003
NSK Ltd.
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Toroidal type continuously variable transmission and method of manu...
Patent number
6,468,180
Issue date
Oct 22, 2002
NSK Ltd.
Kiyoshi Okubo
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Hollow rack shaft and method of manufacturing the same
Patent number
6,442,992
Issue date
Sep 3, 2002
NSK Ltd.
Akira Tsubouchi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Sheet metal rocker arm, manufacturing method thereof, cam follower...
Patent number
6,334,416
Issue date
Jan 1, 2002
NSK Ltd.
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Sheet metal rocker arm, manufacturing method thereof, cam follower...
Patent number
6,199,527
Issue date
Mar 13, 2001
NSK Ltd.
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Cam disk for toroidal type continuously variable transmission
Patent number
6,176,806
Issue date
Jan 23, 2001
NSK Ltd.
Kiyoshi Okubo
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Disk for toroidal type continuously variable transmission
Patent number
6,113,514
Issue date
Sep 5, 2000
NSK Ltd.
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of making a yoke for universal joint
Patent number
6,049,964
Issue date
Apr 18, 2000
NSK Ltd.
Yasushi Watanabe
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Universal joint and a yoke therefor for a steering apparatus
Patent number
6,022,047
Issue date
Feb 8, 2000
NSK Ltd.
Kiyoshi Okubo
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method of manufacturing a yoke for an elastic universal joint
Patent number
5,845,394
Issue date
Dec 8, 1998
NSK Ltd.
Shouichi Abe
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing a hollow steering shaft and hollow steering...
Patent number
5,511,440
Issue date
Apr 30, 1996
NSK Ltd.
Yasushi Watanabe
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Manufacturing method of metal bellows
Patent number
5,461,767
Issue date
Oct 31, 1995
NSK Ltd.
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Yoke for universal joint and manufacturing method therefor
Patent number
5,018,899
Issue date
May 28, 1991
Nippon Seiko Kabushiki Kaisha
Ritsuo Kuribara
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
Wheel-driving unit and method for manufacturing the same
Publication number
20050159227
Publication date
Jul 21, 2005
NSK Ltd
Hideo Ouchi
B60 - VEHICLES IN GENERAL
Information
Patent Application
Sheet metal rocker arm, manufacturing method thereof, cam follower...
Publication number
20040216711
Publication date
Nov 4, 2004
NSK Ltd.
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for manufacturing a hollow rack shaft
Publication number
20040170401
Publication date
Sep 2, 2004
NSK Ltd
Akira Tsubouchi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Hollow rack shaft and manufacturing method thereof
Publication number
20030213321
Publication date
Nov 20, 2003
NSK Ltd
Akira Tsubouchi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Hollow rack shaft
Publication number
20030209100
Publication date
Nov 13, 2003
NSK Ltd
Akira Tsubouchi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for manufacturing a hollow rack shaft
Publication number
20030196469
Publication date
Oct 23, 2003
NSK Ltd
Akira Tsubouchi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Wheel driving unit and method of manufacturing the same
Publication number
20030146591
Publication date
Aug 7, 2003
Hideo Ouchi
B60 - VEHICLES IN GENERAL
Information
Patent Application
Sheet metal rocker arm, manufacturing method thereof, cam follower...
Publication number
20030106514
Publication date
Jun 12, 2003
NSK Ltd.
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for manufacturing a hollow rack shaft
Publication number
20030079516
Publication date
May 1, 2003
NSK Ltd
Akira Tsubouchi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for manufacturing a hollow rack shaft
Publication number
20030079517
Publication date
May 1, 2003
NSK Ltd
Akira Tsubouchi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Sheet metal rocker arm, manufacturing method thereof, cam follower...
Publication number
20030066502
Publication date
Apr 10, 2003
NSK Ltd
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Sheet metal rocker arm, manufacturing method thereof, cam follower...
Publication number
20030029403
Publication date
Feb 13, 2003
NSK Ltd
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Sheet metal rocker arm , manufacturing method thereof, cam follower...
Publication number
20020112685
Publication date
Aug 22, 2002
NSK Ltd
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Sheet metal rocker arm, manufacturing method thereof, cam follower...
Publication number
20020104498
Publication date
Aug 8, 2002
NSK Ltd
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Hollow rack shaft and manufacturing method thereof
Publication number
20020073793
Publication date
Jun 20, 2002
NSK Ltd
Akira Tsubouchi
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Hollow rack shaft
Publication number
20020026845
Publication date
Mar 7, 2002
NSK Ltd
Akira Tsubouchi
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Hollow rack shaft
Publication number
20020020237
Publication date
Feb 21, 2002
Akira Tsubouchi
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Sheet metal rocker arm, manufacturing method thereof, cam follower...
Publication number
20010045198
Publication date
Nov 29, 2001
NSK Ltd
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for manufacturing a hollow rack shaft
Publication number
20010020328
Publication date
Sep 13, 2001
NSK Ltd
Akira Tsubouchi
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Hollow rack shaft and method of manufacturing the same
Publication number
20010013241
Publication date
Aug 16, 2001
NSK Ltd
Akira Tsubouchi
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Sheet metal rocker arm, manufacturing method thereof, cam follower...
Publication number
20010000572
Publication date
May 3, 2001
NSK Ltd
Kiyoshi Okubo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...