Yuuichi Sawai

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Patents Grantslast 30 patents

Information Patent Grant
Wiring member, method of manufacturing the wiring member and electr...
- Patent number 8,217,274
- Issue date Jul 10, 2012
- Hitachi, Ltd.
- Hiroki Yamamoto
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Optical information recording medium, manufacturing method of the s...
- Patent number 7,459,194
- Issue date Dec 2, 2008
- Hitachi, Ltd.
- Hiroki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical switch, element therefor, and optical switching method
- Patent number 6,870,983
- Issue date Mar 22, 2005
- Hitachi, Ltd.
- Hideto Momose
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Wiring Member, Method of Manufacturing the Wiring Member and Electr...
- Publication number 20100307802
- Publication date Dec 9, 2010
- Hitachi, Ltd
- Hiroki YAMAMOTO
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Image display device
- Publication number 20080048552
- Publication date Feb 28, 2008
- Hiroshi Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical information recording medium, manufacturing method of the s...
- Publication number 20050213487
- Publication date Sep 29, 2005
- Hiroki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Optical switch, element therefor, and optical switching method
- Publication number 20040105612
- Publication date Jun 3, 2004
- Hitachi, Ltd.
- Hideto Momose
- G02 - OPTICS