Wataru Kuroiwa

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
CATV communication system and a CATV center equipment and CATV term...
- Patent number 5,822,679
- Issue date Oct 13, 1998
- Kabushiki Kaisha Toshiba
- Masakazu Koike
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Remote control system in which a plurality of remote control units...
- Patent number 5,715,020
- Issue date Feb 3, 1998
- Kabushiki Kaisha Toshiba
- Wataru Kuroiwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Two-way CATV system and remote control system
- Patent number 5,619,251
- Issue date Apr 8, 1997
- Kabushiki Kaisha Toshiba
- Wataru Kuroiwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Video signal scramble system
- Patent number 4,901,351
- Issue date Feb 13, 1990
- Kabushiki Kaisha Toshiba
- Masatoshi Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication data processing device of cable television system
- Patent number 4,686,564
- Issue date Aug 11, 1987
- Kabushiki Kaisha Toshiba
- Akinori Masuko
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency synthesizer for CATV tuner
- Patent number 4,613,826
- Issue date Sep 23, 1986
- Kabushiki Kaisha Toshiba
- Akinori Masuko
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
Key distribution system
- Publication number 20090238368
- Publication date Sep 24, 2009
- Matsushita Electric Industrial Co., Ltd.
- Masao Nonaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Digital broadcasting receiving apparatus
- Publication number 20060126839
- Publication date Jun 15, 2006
- Masakazu Koike
- H04 - ELECTRIC COMMUNICATION TECHNIQUE