Osamu Otsuka

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Patents Grantslast 30 patents

Information Patent Grant
Mobile radio equipment and method of controlling transmission rate...
- Patent number 7,676,238
- Issue date Mar 9, 2010
- NEC Corporation
- Osamu Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Management apparatus, management system, management method, and man...
- Patent number 7,151,921
- Issue date Dec 19, 2006
- NEC Corporation
- Osamu Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Mobile communication terminal, mobile communication system and cont...
- Publication number 20050101336
- Publication date May 12, 2005
- NEC Corporation
- Osamu Otsuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Mobile radio equipment and method of controlling transmission rate...
- Publication number 20040102177
- Publication date May 27, 2004
- NEC Corporation
- Osamu Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Management apparatus, management system, management method, and man...
- Publication number 20040068634
- Publication date Apr 8, 2004
- NEC Corporation
- Osamu Otsuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Content rental system
- Publication number 20020013940
- Publication date Jan 31, 2002
- Yuji Tsukamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE