Seiko Giken Co., Ltd.

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Patents Grantslast 30 patents

Information Patent Grant
Ferrule holder assembly for optical-fiber-end-face grinding apparatus
- Patent number 7,494,402
- Issue date Feb 24, 2009
- Seiko Giken Co., Ltd.
- Kunio Yamada
- B24 - GRINDING POLISHING
Information Patent Grant
Optical device and bidirectional communications system
- Patent number 5,859,940
- Issue date Jan 12, 1999
- Seiko Giken Co., Ltd.
- Mitsuo Takahashi
- G02 - OPTICS
Information Patent Grant
Means for holding a stamper plate in a molding metal die
- Patent number 5,766,652
- Issue date Jun 16, 1998
- Seiko Giken Co., Ltd.
- Mitsuo Takahashi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical fiber ferrule holding plate for optical fiber end polishing...
- Patent number 5,640,475
- Issue date Jun 17, 1997
- Seiko Giken Co., Ltd.
- Mitsuo Takahashi
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

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