Manabu ISHIKAWA

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical module implemented with tri-plexer optical subassembly
- Patent number 8,175,461
- Issue date May 8, 2012
- Sumitomo Electric Industries, Ltd
- Hidemi Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MODULE IMPLEMENTED WITH TRI-PLEXER OPTICAL SUBASSEMBLY
- Publication number 20090245800
- Publication date Oct 1, 2009
- Sumitomo Electric Industries, Ltd.
- Hidemi SONE
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RARE-EARTH-DOPED OPTICAL FIBER, OPTICAL FIBER AMPLIFIER, AND METHOD...
- Publication number 20090180174
- Publication date Jul 16, 2009
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Tetsuya Haruna
- H01 - BASIC ELECTRIC ELEMENTS