Toyokazu Yanagimichi

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Chigasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Key signal conversion device for CATV system
- Patent number 5,230,019
- Issue date Jul 20, 1993
- Matsushita Electric Industrial Co., Ltd.
- Toyokazu Yanagimichi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cable television system
- Patent number 5,161,187
- Issue date Nov 3, 1992
- Matsushita Electric Industrial Co., Ltd.
- Harumasa Kajita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE