Masahiko Tsukamoto

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Nara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mutual connecting apparatus between networks
- Patent number 5,640,400
- Issue date Jun 17, 1997
- Sharp Kabushiki Kaisha
- Ryoichi Sato
- G05 - CONTROLLING REGULATING
Information Patent Grant
Data communication apparatus achieving efficient use of the media
- Patent number 5,592,483
- Issue date Jan 7, 1997
- Sharp Kabushiki Kaisha
- Kaoru Hieda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication apparatus automatically selecting one of two operatio...
- Patent number 5,585,952
- Issue date Dec 17, 1996
- Sharp Kabushiki Kaisha
- Akira Imai
- H04 - ELECTRIC COMMUNICATION TECHNIQUE