Yuichiro Tsutsui

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Communication system
- Patent number 6,243,583
- Issue date Jun 5, 2001
- Canon Kabushiki Kaisha
- Yuichiro Tsutsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Connection between interfaces and terminals in cordless telephone s...
- Patent number 5,771,457
- Issue date Jun 23, 1998
- Canon Kabushiki Kaisha
- Yuichiro Tsutsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Control apparatus for switching station connections using a holding...
- Patent number 5,602,910
- Issue date Feb 11, 1997
- Canon Kabushiki Kaisha
- Yuichiro Tsutsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication channel selection method
- Patent number 5,594,944
- Issue date Jan 14, 1997
- Canon Kabushiki Kaisha
- Minoru Ogata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and call processing method
- Patent number 5,572,585
- Issue date Nov 5, 1996
- Canon Kabushi Kaisha
- Yuichiro Tsutsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telephone apparatus capable of setting card unit therein
- Patent number 5,138,655
- Issue date Aug 11, 1992
- Canon Kabushiki Kaisha
- Shoichi Takashima
- G06 - COMPUTING CALCULATING COUNTING