Hiromasa Tanaka

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polarization independent optical isolator and optical transmitting/...
- Patent number 7,361,884
- Issue date Apr 22, 2008
- Fujitsu Limited
- Hiromasa Tanaka
- G02 - OPTICS
Information Patent Grant
Light receiving device for optical communication system
- Patent number 7,196,310
- Issue date Mar 27, 2007
- Fujitsu Limited
- Ken-ichi Nakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
POLARIZATION INDEPENDENT OPTICAL ISOLATOR AND OPTICAL TRANSMITTING/...
- Publication number 20080042050
- Publication date Feb 21, 2008
- Fujitsu Limited of
- Hiromasa Tanaka
- G02 - OPTICS
Information Patent Application
Light receiving device
- Publication number 20060043266
- Publication date Mar 2, 2006
- FUJITSU LIMITED
- Ken-ichi Nakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE