IH

Izumi Horikawa

Sumitomo Electric Industries: 7 patents #3,987 of 21,551Top 20%
NP Nippon Telegraph And Telephone Public: 4 patents #32 of 842Top 4%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
Overall (All Time): #427,192 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6580703 CDMA base station apparatus and code assignment method Yoshiyuki OKUBO, Nobuo Asano 2003-06-17
6526271 Method and apparatus for interference rejection Mitsuru Uesugi, Kazuyuki Miya, Osamu Kato, Katsuhiko Hiramatsu, Akinori Tatsumi +2 more 2003-02-25
6442405 Base station device and radio communication method Katsuhiko Hiramatsu, Kazuyuki Miya, Osamu Kato, Mitsuru Uesugi, Akinori Tatsumi +2 more 2002-08-27
6336040 Mobile radio system with control over radio wave output if a malfunction is detected Nobuo Asano 2002-01-01
6119004 Base station equipment for mobile communication Daisuke Yamada 2000-09-12
5873027 Mobile radio system with control over radio wave output if a malfunction is detected Nobuo Asano 1999-02-16
5652752 Mobile radio communication system employing time division multiple transmission scheme Toshiro Suzuki, Arata Nakagoshi, Takao Harakawa, Takakuni Kuki 1997-07-29
5586122 Time division multiple access mobile wireless telecommunication system Toshiro Suzuki, Takao Harakawa, Kazuhito Ishida 1996-12-17
4710975 Space diversity reception system having compensation means of multipath effect Yoshiharu Okamoto, Shozo Komaki 1987-12-01
4326294 Space diversity reception system having compensation means of multipath effect Yoshiharu Okamoto, Shozo Komaki 1982-04-20
4323864 Binary transversal filter Kazuo Ogawa, Eiji Suzuki, Osamu Kurita 1982-04-06
4320523 Digital signal reception system Masaaki Shinji 1982-03-16