Kenichi Katayama

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Patents Grantslast 30 patents

Information Patent Grant
Mobile communication method, radio access network apparatus and mob...
- Patent number 9,301,210
- Issue date Mar 29, 2016
- NTT DoCoMo, Inc.
- Katsutoshi Nishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile communication method, radio access network apparatus and mob...
- Patent number 8,428,035
- Issue date Apr 23, 2013
- NTT DoCoMo, Inc.
- Katsutoshi Nishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication control system, communication system and communicatio...
- Patent number 8,396,027
- Issue date Mar 12, 2013
- NTT DoCoMo, Inc.
- Masato Aso
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Remote control signal transmission device
- Patent number 6,107,951
- Issue date Aug 22, 2000
- Sony Corporation
- Kenichi Katayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Headphone
- Patent number 5,519,782
- Issue date May 21, 1996
- Sony Corporation
- Ikuo Shinohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Auricle insertion headphone with improved grill
- Patent number 5,420,935
- Issue date May 30, 1995
- Sony Corporation
- Ikuo Shinohara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MOBILE COMMUNICATION METHOD, RADIO ACCESS NETWORK APPARATUS AND MOB...
- Publication number 20130259000
- Publication date Oct 3, 2013
- NTT DoCoMo, Inc.
- Katsutoshi Nishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE COMMUNICATION METHOD, RADIO ACCESS NETWORK APPARATUS AND MOB...
- Publication number 20130217393
- Publication date Aug 22, 2013
- NTT DoCoMo, Inc.
- Katsutoshi Nishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE COMMUNICATION METHOD, RADIO ACCESS NETWORK APPARATUS AND MOB...
- Publication number 20130039301
- Publication date Feb 14, 2013
- NTT DoCoMo, Inc.
- Katsutoshi Nishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOBILE COMMUNICATION METHOD, RADIO ACCESS NETWORK APPARATUS AND MOB...
- Publication number 20130040645
- Publication date Feb 14, 2013
- NTT DoCoMo, Inc.
- Katsutoshi Nishida
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO COMMUNICATION SYSTEM AND UPPER NODE
- Publication number 20110261685
- Publication date Oct 27, 2011
- NTT DoCoMo, Inc.
- Takahiro Hayashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION CONTROL SYSTEM, COMMUNICATION SYSTEM AND COMMUNICATIO...
- Publication number 20110194494
- Publication date Aug 11, 2011
- NTT DoCoMo, Inc.
- Masato Aso
- H04 - ELECTRIC COMMUNICATION TECHNIQUE