Kengo Yamada

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Miyagi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Plastic optical fiber end face treatment method
- Patent number 6,706,221
- Issue date Mar 16, 2004
- Alps Electric Co., Ltd.
- Kimihiro Kikuchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Plastic optical fiber and face treatment method and treatment device
- Publication number 20030031751
- Publication date Feb 13, 2003
- Alps Electric Co., Ltd.
- Kimihiro Kikuchi
- G02 - OPTICS