Tatsuki Matsumoto

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wireless communication system, communication terminal device, metho...
- Patent number 8,417,278
- Issue date Apr 9, 2013
- NEC Corporation
- Tatsuki Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile station in wireless communication system and method of contr...
- Patent number 7,725,120
- Issue date May 25, 2010
- NEC Corporation
- Tatsuki Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system, communication controller and communication co...
- Patent number 7,664,525
- Issue date Feb 16, 2010
- NEC Corporation
- Tatsuki Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Portable telephone terminal device and a method for restricting pay...
- Patent number 7,263,348
- Issue date Aug 28, 2007
- NEC Corporation
- Tatsuki Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS COMMUNICATION SYSTEM, COMMUNICATION TERMINAL DEVICE, METHO...
- Publication number 20090137264
- Publication date May 28, 2009
- Tatsuki Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile station in wireless communication system and method of contr...
- Publication number 20060142043
- Publication date Jun 29, 2006
- NEC Corporation
- Tatsuki Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication system, communication controller and communication co...
- Publication number 20050195779
- Publication date Sep 8, 2005
- NEC Corporation
- Tatsuki Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Portable telephone terminal device and a method for restricting pay...
- Publication number 20040102179
- Publication date May 27, 2004
- Tatsuki Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE