Hiroyuki Miyashita

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Koganei, JP

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Patents Grantslast 30 patents

Information Patent Grant
Subscriber's circuit for time division switching system
- Patent number 4,592,046
- Issue date May 27, 1986
- Iwasaki Tsushinki Kabushiki Kaisha
- Yoshihiro Kawata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Key telephone transmission system
- Patent number 4,583,214
- Issue date Apr 15, 1986
- Iwasaki Tsushinki Kabushiki Kaisha
- Hiroyuki Miyashita
- H04 - ELECTRIC COMMUNICATION TECHNIQUE