Koutarou Tanaka

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Nakagun Toukaimura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Waveguide type variable optical attenuator
- Patent number 7,330,630
- Issue date Feb 12, 2008
- Hitachi Cable, Inc.
- Koutarou Tanaka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Waveguide type variable optical attenuator
- Publication number 20070065088
- Publication date Mar 22, 2007
- HITACHI CABLE, LTD.
- Koutarou Tanaka
- G02 - OPTICS