Kazumasa Ohya

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic device for supplying DC power and having noise filter mo...
- Patent number 6,809,583
- Issue date Oct 26, 2004
- NEC TOKIN Corporation
- Satoshi Arai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Solid electrolytic capacitor and manufacturing method for the same
- Patent number 6,765,784
- Issue date Jul 20, 2004
- NEC TOKIN Corporation
- Kazumasa Ohya
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method of manufacturing laminated piezoelectric actuator having cavity
- Patent number 5,568,679
- Issue date Oct 29, 1996
- NEC Corporation
- Kazumasa Ohya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Piezoelectric actuator having strain gage
- Patent number 5,365,140
- Issue date Nov 15, 1994
- NEC Corporation
- Kazumasa Ohya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Piezoelectric actuator
- Patent number D346364
- Issue date Apr 26, 1994
- NEC Corporation
- Takayuki Inoi
- D13 - Equipment for production, distribution, or transformation of energy
Information Patent Grant
Piezoelectric actuator
- Patent number 5,266,862
- Issue date Nov 30, 1993
- NEC Corporation
- Kazumasa Ohya
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
FUEL CELL SYSTEM
- Publication number 20090233127
- Publication date Sep 17, 2009
- NEC Corporation
- Kazumasa Ohya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic device for supplying DC power and having noise filter mo...
- Publication number 20040008531
- Publication date Jan 15, 2004
- Satoshi Arai
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Solid electrolytic capacitor and manufacturing method for the same
- Publication number 20030169561
- Publication date Sep 11, 2003
- NEC Tokin Corporation
- Kazumasa Ohya
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...