Ryuji Kawamoto

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical switch device
- Patent number 7,289,696
- Issue date Oct 30, 2007
- Omron Corporation
- Eiji Fujisawa
- G02 - OPTICS
Information Patent Grant
Optical switch device
- Patent number 7,194,153
- Issue date Mar 20, 2007
- Omron Corporation
- Masao Yajima
- G02 - OPTICS
Information Patent Grant
Optical switch
- Patent number 7,095,919
- Issue date Aug 22, 2006
- Omron Corporation
- Ryuji Kawamoto
- G02 - OPTICS
Information Patent Grant
Immersion object detection system and method
- Patent number 6,535,159
- Issue date Mar 18, 2003
- Omron Corporation
- Tadao Nishiguchi
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Optical switch
- Publication number 20070086697
- Publication date Apr 19, 2007
- Omron Corporation
- Ryo Yamamoto
- G02 - OPTICS
Information Patent Application
Variable light attenuator
- Publication number 20060280421
- Publication date Dec 14, 2006
- Omron Corporation
- Hirokazu Tanaka
- G02 - OPTICS
Information Patent Application
Optical switch device
- Publication number 20060245684
- Publication date Nov 2, 2006
- Eiji Fujisawa
- G02 - OPTICS
Information Patent Application
Monitoring device
- Publication number 20060209396
- Publication date Sep 21, 2006
- Omron Corporation
- Hirokazu Tanaka
- G02 - OPTICS
Information Patent Application
Optical switch
- Publication number 20050175275
- Publication date Aug 11, 2005
- Omron Corporation
- Ryuji Kawamoto
- G02 - OPTICS
Information Patent Application
Immersion object detection device and wave reflector
- Publication number 20030107528
- Publication date Jun 12, 2003
- Eiji Takemoto
- H01 - BASIC ELECTRIC ELEMENTS