Keiichi Kitagawa

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Yokosuka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Base station apparatus, communication terminal apparatus, and commu...
- Patent number RE45312
- Issue date Dec 30, 2014
- Panasonic Intellectual Property Corporation of America
- Atsushi Sumasu
- 455 - Telecommunications
Information Patent Grant
Base station apparatus, communication terminal apparatus, and commu...
- Patent number RE43614
- Issue date Aug 28, 2012
- Panasonic Corporation
- Atsushi Sumasu
- 455 - Telecommunications
Information Patent Grant
Base station apparatus, communication terminal apparatus, and commu...
- Patent number 7,292,862
- Issue date Nov 6, 2007
- Matsushita Electric Industrial Co., Ltd.
- Atsushi Sumasu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio transmitting apparatus and radio transmitting method
- Patent number 6,871,046
- Issue date Mar 22, 2005
- Matsushita Electric Industrial Co., Ltd.
- Keiichi Kitagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
CDMA radio communication system using chip interleaving
- Patent number 6,636,723
- Issue date Oct 21, 2003
- Matsushita Electric Industrial Co., Ltd.
- Keiichi Kitagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmitter-receiver, and method for controlling transmission power...
- Patent number 6,603,980
- Issue date Aug 5, 2003
- Matsushita Electric Industrial Co., Ltd.
- Keiichi Kitagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Cell search method and communication terminal apparatus
- Publication number 20040120307
- Publication date Jun 24, 2004
- Hideyuki Takahashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CDMA radio transmission apparatus, CDMA radio reception apparatus,...
- Publication number 20040048578
- Publication date Mar 11, 2004
- Matsushita Electric Industrial Co., Ltd.
- Keiichi Kitagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Radio transmitting apparatus and radio transmitting method
- Publication number 20020193070
- Publication date Dec 19, 2002
- Keiichi Kitagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multicarrier cdma communication device
- Publication number 20020181489
- Publication date Dec 5, 2002
- Keiichi Kitagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Base station apparatus, communication terminal apparatus, and commu...
- Publication number 20020155861
- Publication date Oct 24, 2002
- Atsushi Sumasu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Multi-carrier communication apparatus and multi-carrier communicati...
- Publication number 20020105947
- Publication date Aug 8, 2002
- Keiichi Kitagawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE