Takeshi Narita

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical splitter
- Patent number 7,088,889
- Issue date Aug 8, 2006
- NHK Spring Co., Ltd.
- Fumio Takahashi
- G02 - OPTICS
Information Patent Grant
Hot Isostatic pressing of a planar optical waveguide
- Patent number 6,122,934
- Issue date Sep 26, 2000
- NHK Spring Co., Ltd.
- Takeshi Narita
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical splitter
- Publication number 20050041925
- Publication date Feb 24, 2005
- NHK SPRING CO., LTD
- Fumio Takahashi
- G02 - OPTICS