Takaji Iwasawa

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Gunma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for forming grooves on a workpiece and for dre...
- Patent number 6,884,151
- Issue date Apr 26, 2005
- NSK Ltd.
- Akio Sakai
- B24 - GRINDING POLISHING
Information Patent Grant
Method for forming grooves on workpiece and for dressing a grindsto...
- Patent number 6,783,428
- Issue date Aug 31, 2004
- NSK Ltd.
- Akio Sakai
- B24 - GRINDING POLISHING
Information Patent Grant
Method and apparatus for forming grooves on a workpiece and for dre...
- Patent number 6,572,442
- Issue date Jun 3, 2003
- NSK Ltd.
- Akio Sakai
- B24 - GRINDING POLISHING
Information Patent Grant
Trunnion for half-toroidal-type continuously variable transmission...
- Patent number 6,494,807
- Issue date Dec 17, 2002
- NSK Ltd.
- Yuko Kamamura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Grinding apparatus for forming grooves on a workpiece and a method...
- Patent number 6,361,410
- Issue date Mar 26, 2002
- NSK Ltd.
- Akio Sakai
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
Method for working nut screw for ball screw
- Publication number 20050172487
- Publication date Aug 11, 2005
- Toru Kamiya
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
Method and apparatus for forming grooves on a workpiece and for dre...
- Publication number 20040219866
- Publication date Nov 4, 2004
- NSK Ltd
- Akio Sakai
- B24 - GRINDING POLISHING
Information Patent Application
Method and apparatus for forming grooves on a workpiece and for dre...
- Publication number 20020081944
- Publication date Jun 27, 2002
- NSK Ltd
- Akio Sakai
- B24 - GRINDING POLISHING
Information Patent Application
Trunnion for half-toroidal-type continuously variable transmission...
- Publication number 20020025879
- Publication date Feb 28, 2002
- NSK Ltd
- Yuko Kamamura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...