Izumi Horikawa

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
CDMA base station apparatus and code assignment method
- Patent number 6,580,703
- Issue date Jun 17, 2003
- Matsushita Electric Industrial Co., Ltd.
- Yoshiyuki Okubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for interference rejection
- Patent number 6,526,271
- Issue date Feb 25, 2003
- Matsushita Electric Industrial Co., Ltd.
- Mitsuru Uesugi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station device and radio communication method
- Patent number 6,442,405
- Issue date Aug 27, 2002
- Matsushita Electric Industrial Co., Ltd.
- Katsuhiko Hiramatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile radio system with control over radio wave output if a malfun...
- Patent number 6,336,040
- Issue date Jan 1, 2002
- Matsushita Electric Industrial Co., Ltd.
- Nobuo Asano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Base station equipment for mobile communication
- Patent number 6,119,004
- Issue date Sep 12, 2000
- Matsushita Electric Industrial Co., Ltd.
- Daisuke Yamada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile radio system with control over radio wave output if a malfun...
- Patent number 5,873,027
- Issue date Feb 16, 1999
- Matsushita Electric Industrial Co., Ltd.
- Nobuo Asano
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mobile radio communication system employing time division multiple...
- Patent number 5,652,752
- Issue date Jul 29, 1997
- Hitachi, Ltd.
- Toshiro Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Time division multiple access mobile wireless telecommunication system
- Patent number 5,586,122
- Issue date Dec 17, 1996
- Hitachi, Ltd.
- Toshiro Suzuki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Space diversity reception system having compensation means of multi...
- Patent number 4,710,975
- Issue date Dec 1, 1987
- Nippon Telegraph and Telephone Public Corp.
- Yoshiharu Okamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Space diversity reception system having compensation means of multi...
- Patent number 4,326,294
- Issue date Apr 20, 1982
- Nippon Telegraph & Telephone Public Corporation
- Yoshiharu Okamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Binary transversal filter
- Patent number 4,323,864
- Issue date Apr 6, 1982
- Fujitsu Limited
- Kazuo Ogawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Digital signal reception system
- Patent number 4,320,523
- Issue date Mar 16, 1982
- Nippon Telegraph & Telephone Public Corporation
- Izumi Horikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Base station apparatus and radio communication method
- Publication number 20020169005
- Publication date Nov 14, 2002
- Katsuhiko Hiramatsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Izumi Horikawa

Person

Patents Grantslast 30 patents

CDMA base station apparatus and code assignment method

Method and apparatus for interference rejection

Base station device and radio communication method

Mobile radio system with control over radio wave output if a malfun...

Base station equipment for mobile communication

Mobile radio system with control over radio wave output if a malfun...

Mobile radio communication system employing time division multiple...

Time division multiple access mobile wireless telecommunication system

Space diversity reception system having compensation means of multi...

Space diversity reception system having compensation means of multi...

Binary transversal filter

Digital signal reception system

Patents Applicationslast 30 patents

Base station apparatus and radio communication method