Hirokazu Yamamoto

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrophoretic device, driving method of electrophoretic device, a...
- Patent number 6,788,450
- Issue date Sep 7, 2004
- Seiko Epson Corporation
- Hideyuki Kawai
- G02 - OPTICS
Information Patent Grant
Magnetic fluid seal device
- Patent number 6,769,694
- Issue date Aug 3, 2004
- NOK Corporation
- Hiroshi Anzai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Light shielding structure
- Patent number 6,733,143
- Issue date May 11, 2004
- NOK Corporation
- Hiroshi Anzai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Magnetic fluid seal device
- Publication number 20040012150
- Publication date Jan 22, 2004
- Hiroshi Anzai
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Electrophoretic device, driving method of electrophoretic device, a...
- Publication number 20020150827
- Publication date Oct 17, 2002
- Hideyuki Kawai
- G02 - OPTICS