Keiichi Nashimoto

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Ayase, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical switch and matrix optical switch
- Patent number 7,302,140
- Issue date Nov 27, 2007
- Keio University
- Keiichi Nashimoto
- G02 - OPTICS
Information Patent Grant
Optical waveguide element, manufacturing method for optical wavegui...
- Patent number 6,862,393
- Issue date Mar 1, 2005
- Nozomi Photonics Co., Ltd.
- Keiichi Nashimoto
- G02 - OPTICS
Information Patent Grant
Optical waveguide element and method of fabrication thereof
- Patent number 6,816,660
- Issue date Nov 9, 2004
- Nozomi Photonics Co., Ltd.
- Keiichi Nashimoto
- G02 - OPTICS