Katsuhisa TAWA

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Quantum cascade laser
- Patent number 8,379,683
- Issue date Feb 19, 2013
- Sumitomo Electric Industries, Ltd.
- Jun-ichi Hashimoto
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Optical module implementing a light-receiving device and a light-tr...
- Patent number 8,145,061
- Issue date Mar 27, 2012
- Sumitomo Electric Industries, Ltd
- Katsuhisa Tawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical assembly with optical transmitting and receiving functions
- Patent number 7,429,725
- Issue date Sep 30, 2008
- Sumitomo Electric Industries, Ltd.
- Katsuhisa Tawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
QUANTUM CASCADE LASER
- Publication number 20120263204
- Publication date Oct 18, 2012
- Sumitomo Electric Industries, Ltd.
- Jun-ichi HASHIMOTO
- B82 - NANO-TECHNOLOGY
Information Patent Application
OPTICAL MODULE IMPLEMENTING A LIGHT-RECEIVING DEVICE AND A LIGHT-TR...
- Publication number 20100178061
- Publication date Jul 15, 2010
- Sumitomo Electric Industries, Ltd.
- Katsuhisa TAWA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BI-DIRECTIONAL OPTICAL MODULE COMMUNICATING WITH SINGLE FIBER
- Publication number 20090080897
- Publication date Mar 26, 2009
- Sumitomo Electric Industries, Ltd.
- Manabu SHIOZAKI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical assembly with optical transmitting and receiving functions
- Publication number 20060261258
- Publication date Nov 23, 2006
- Sumitomo Electric Industries, Ltd.
- Katsuhisa Tawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE