Katsuyoshi Tsutsumi

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Gunma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Infrared communication system and infrared signal receiving apparatus
- Patent number 7,457,534
- Issue date Nov 25, 2008
- Sony Corporation
- Katsuyoshi Tsutsumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Infrared communication system and infrared signal receiving apparatus
- Publication number 20060024037
- Publication date Feb 2, 2006
- SONY CORPORATION
- Katsuyoshi Tsutsumi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE