Naomasa Oka

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Osaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrostatically driven latchable actuator system
- Patent number 7,468,571
- Issue date Dec 23, 2008
- Matsushita Electric Works, Ltd.
- Hiroshi Harada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for fabricating a micro-electro-mechanical system with mova...
- Patent number 7,422,928
- Issue date Sep 9, 2008
- Matsushita Electric Works, Ltd.
- Naomasa Oka
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Grant
Field emission electron source, method of producing the same, and u...
- Patent number 6,794,805
- Issue date Sep 21, 2004
- Matsushita Electric Works, Ltd.
- Takashi Hatai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Acceleration sensor element and method of its manufacture
- Patent number 6,293,149
- Issue date Sep 25, 2001
- Matsushita Electric Works, Ltd.
- Hitoshi Yoshida
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Process for fabricating a micro-electro-mechanical system with mova...
- Publication number 20070128831
- Publication date Jun 7, 2007
- Matsushita Electric Works, Ltd.
- Naomasa Oka
- B81 - MICRO-STRUCTURAL TECHNOLOGY
Information Patent Application
Electrostatically driven latchable actuator system
- Publication number 20060261702
- Publication date Nov 23, 2006
- Hiroshi Harada
- G02 - OPTICS