Junzo Kikuchi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Key telephone system
- Patent number 4,754,477
- Issue date Jun 28, 1988
- Tamura Electric Works, Ltd.
- Kouji Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone system
- Patent number 4,572,928
- Issue date Feb 25, 1986
- Tamura Electric Works, Ltd.
- Tomio Nishimura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control of a key telephone system using a pulse width modulated signal
- Patent number 4,514,597
- Issue date Apr 30, 1985
- Tamura Electric Works, Ltd.
- Junzo Kikuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone system with multiple processor control
- Patent number 4,383,137
- Issue date May 10, 1983
- Tamura Electric Works, Ltd.
- Chuta Aikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE