KH

Katsuhiko Hiramatsu

Sumitomo Electric Industries: 21 patents #2 of 3,885Top 1%
Overall (2003): #200 of 273,478Top 1%
21
Patents 2003

Issued Patents 2003

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
6636729 Apparatus and method for receiving radio signals according to variable weighting factors Atsushi Matsumoto 2003-10-21
6628959 Base station and method of transmission power control Kazuyuki Miya 2003-09-30
6622013 Reception apparatus and reception method Kenichi Miyoshi 2003-09-16
6611509 CDMA/TDD mobile communication system and method Masaki Hayashi, Kazuyuki Miya, Toyoki Ue 2003-08-26
6611676 Radio communication apparatus and transmission rate control method Toyoki Ue, Osamu Kato 2003-08-26
6600933 Transmission diversity method Osamu Kato, Toyoki Ue 2003-07-29
6600935 Radio transmission device and transmission directivity adjusting method 2003-07-29
6597894 Radio communication device and method of controlling transmission rate Toyoki Ue, Osamu Kato 2003-07-22
6594509 Array-antenna radio communication apparatus Keiji Takakusaki 2003-07-15
6559799 Array antenna radio communication apparatus and calibration method Takahisa Aoyama 2003-05-06
6556845 Base station device and transmission method Minako Ide 2003-04-29
6545991 Diversity method Takashi Kitade, Kazuyuki Miya 2003-04-08
6539234 Radio communication terminal and transmission power control method Kazuyuki Miya 2003-03-25
6526271 Method and apparatus for interference rejection Mitsuru Uesugi, Kazuyuki Miya, Osamu Kato, Akinori Tatsumi, Masatoshi Watanabe +2 more 2003-02-25
6522869 Transmission apparatus Mitsuru Uesugi, Masatoshi Watanabe, Toyoki Ue 2003-02-18
6522639 Transmission/reception apparatus and transmit power control method Takashi Kitade, Kazuyuki Miya 2003-02-18
6519278 Transmitting/receiving apparatus using a plurality of spreading codes 2003-02-11
6512917 Radio communication device and transmitting power control method 2003-01-28
6510189 Channel switching device and channel switching method Atsushi Matsumoto, Hideyuki Takahashi, Kenichi Miyoshi 2003-01-21
6507574 Transmission/reception apparatus and transmit power control method Takashi Kitade, Kazuyuki Miya 2003-01-14
6505035 Radio communication apparatus and transmission rate control method Toyoki Ue, Osamu Kato 2003-01-07