Koji Sasada

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mobile communication system, network and mobile station
- Patent number 6,157,837
- Issue date Dec 5, 2000
- NTT Mobile Communications Network Inc.
- Yasuhiro Kato
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and transmission station
- Patent number 6,021,516
- Issue date Feb 1, 2000
- NTT Mobile Communications Network, Inc.
- Ichiro Okajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for controlling voice and data communications
- Patent number 5,974,044
- Issue date Oct 26, 1999
- Mobile Communications Network Inc.
- Kimio Ikeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communication systems sharing a control channel
- Patent number 5,884,165
- Issue date Mar 16, 1999
- NTT Mobile Communications Network, Inc.
- Noriko Uchida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE