Teruhisa Sahashi

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Minato-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical attenuator
- Patent number 7,336,418
- Issue date Feb 26, 2008
- FDK Corporation
- Hirotaka Kawai
- G02 - OPTICS
Information Patent Grant
Reflective variable light attenuator
- Patent number 7,024,073
- Issue date Apr 4, 2006
- FDK Corporation
- Teruhisa Sahashi
- G02 - OPTICS
Information Patent Grant
Faraday rotation device and optical device using same
- Patent number 7,006,273
- Issue date Feb 28, 2006
- FDK Corporation
- Teruhisa Sahashi
- G02 - OPTICS
Information Patent Grant
Farady rotation device and optical device comprising it
- Patent number 6,876,480
- Issue date Apr 5, 2005
- FDK Corporation
- Teruhisa Sahashi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Faraday rotation device and optical device using same
- Publication number 20050141075
- Publication date Jun 30, 2005
- Teruhisa Sahashi
- G02 - OPTICS
Information Patent Application
Reflective variable light attenuator
- Publication number 20040234227
- Publication date Nov 25, 2004
- Teruhisa Sahashi
- G02 - OPTICS
Information Patent Application
Farady rotation device and optical device comprising it
- Publication number 20040027637
- Publication date Feb 12, 2004
- Teruhisa Sahashi
- G02 - OPTICS