Tsutomu Sakurai

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Patents Grantslast 30 patents

Information Patent Grant
Optical fiber assembly having hermetic seal portion and method for...
- Patent number 6,920,276
- Issue date Jul 19, 2005
- Seikoh Giken Co., Ltd.
- Tsutomu Sakurai
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Optical fiber assembly having hermetic seal portion and method for...
- Publication number 20040037536
- Publication date Feb 26, 2004
- SEIKOH GIKEN Co., Ltd.
- Tsutomu Sakurai
- G02 - OPTICS