Hajime Sumitomo

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical coupling member and optical connector using the same
- Patent number 9,581,764
- Issue date Feb 28, 2017
- Mitsubishi Pencil Company, Limited
- Hitoshi Suzuki
- G02 - OPTICS
Information Patent Grant
Method of moulding composite member, and composite member
- Patent number 8,043,686
- Issue date Oct 25, 2011
- Mitsubishi Pencil Co., Ltd.
- Hitoshi Suzuki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL COUPLING MEMBER AND OPTICAL CONNECTOR USING THE SAME
- Publication number 20150241635
- Publication date Aug 27, 2015
- MITSUBISHI PENCIL COMPANY, LIMITED
- Hitoshi Suzuki
- G02 - OPTICS
Information Patent Application
METHOD OF MOULDING COMPOSITE MEMBER, AND COMPOSITE MEMBER
- Publication number 20090075045
- Publication date Mar 19, 2009
- Mitsubishi Pencil Co., Ltd.
- Hitoshi Suzuki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL