Tsutomu Yokoyama

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Kanazawa- ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mobile communications system, mobile communications network control...
- Patent number 7,835,756
- Issue date Nov 16, 2010
- NTT DoCoMo, Inc.
- Yoko Kikuta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communications system, mobile communications network control...
- Patent number 7,454,196
- Issue date Nov 18, 2008
- NTT DoCoMo, Inc.
- Yoko Kikuta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communications system, mobile communications network control...
- Patent number 7,340,245
- Issue date Mar 4, 2008
- NTT DoCoMo, Inc.
- Yoko Kikuta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communications system, mobile communications network control...
- Patent number 7,257,394
- Issue date Aug 14, 2007
- NTT DoCoMo, Inc.
- Yoko Kikuta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communication system, resource switching method thereof, net...
- Patent number 7,142,847
- Issue date Nov 28, 2006
- NTT DoCoMo, Inc.
- Narumi Umeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MOBILE COMMUNICATIONS SYSTEM, MOBILE COMMUNICATIONS NETWORK CONTROL...
- Publication number 20070190988
- Publication date Aug 16, 2007
- NTT DoCoMo, Inc.
- Yoko Kikuta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE COMMUNICATIONS SYSTEM, MOBILE COMMUNICATIONS NETWORK CONTROL...
- Publication number 20070190989
- Publication date Aug 16, 2007
- NTT DoCoMo, Inc.
- Yoko Kikuta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile communications system, mobile communications network control...
- Publication number 20060040652
- Publication date Feb 23, 2006
- NTT DoCoMo, Inc.
- Yoko Kikuta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile communications system, mobile communications network control...
- Publication number 20030013435
- Publication date Jan 16, 2003
- NTT DoCoMo, Inc.
- Yoko Kikuta
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Mobile communication system, resource switching method thereof, net...
- Publication number 20020150228
- Publication date Oct 17, 2002
- Narumi Umeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE