Akio Sakai

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Maebashi-shi, 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
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
Information Patent Grant
Internal-circulation-type ball screw device
- Patent number 5,711,188
- Issue date Jan 27, 1998
- NSK, Ltd.
- Kazuo Miyaguchi
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Electric linear actuator
- Patent number 5,295,407
- Issue date Mar 22, 1994
- NSK Ltd.
- Goro Hirose
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

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