Tatsuhiko SHITOMI

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Komaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical connector plug, receptacle for optical connector, and optic...
- Patent number 10,197,739
- Issue date Feb 5, 2019
- Sei Optifrontier Co., Ltd.
- Kenichiro Ohtsuka
- G02 - OPTICS
Information Patent Grant
Optical connector, pin keeper, pin insertion jig, expansion member,...
- Patent number 10,114,179
- Issue date Oct 30, 2018
- Sei Optifrontier Co., Ltd.
- Tsutomu Kamada
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL CONNECTOR PLUG, RECEPTACLE FOR OPTICAL CONNECTOR, AND OPTIC...
- Publication number 20180031773
- Publication date Feb 1, 2018
- SEI Optifrontier Co., Ltd.
- Kenichiro OHTSUKA
- G02 - OPTICS
Information Patent Application
OPTICAL CONNECTOR, PIN KEEPER, PIN INSERTION JIG, EXPANSION MEMBER,...
- Publication number 20170315308
- Publication date Nov 2, 2017
- SEI Optifrontier Co., Ltd.
- Tsutomu KAMADA
- G02 - OPTICS