Katsuhiko Ogawa

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Inner force sense presentation device, inner force sense presentati...
- Patent number 7,889,170
- Issue date Feb 15, 2011
- Nippon Telegraph and Telephone Corporation
- Yuriko Suzuki
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Book data service system with data delivery by broadcasting
- Patent number 6,438,233
- Issue date Aug 20, 2002
- Nippon Telegraph and Telephone Corporation
- Toshiya Yoshimune
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Radio station tuning system
- Patent number 5,864,753
- Issue date Jan 26, 1999
- Toyota Jidosha Kabushiki Kaisha
- Makoto Morita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Image data compression system
- Patent number 4,602,383
- Issue date Jul 22, 1986
- Nippon Telegraph & Telephone Public Corporation
- Katsuhiko Ogawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Programmable sequential logic circuit devices
- Patent number 4,415,818
- Issue date Nov 15, 1983
- Nippon Telegraph & Telephone Corp.
- Katsuhiko Ogawa
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Inner force sense presentation device, inner force sense presentati...
- Publication number 20070085820
- Publication date Apr 19, 2007
- NIPPON TELEGRAPH AND TELEPHONE CORP.
- Yuriko Suzuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Book data service system with data delivery by broadcasting
- Publication number 20020034296
- Publication date Mar 21, 2002
- Toshiya Yoshimune
- G06 - COMPUTING CALCULATING COUNTING