AU

Akihisa Ushirokawa

NE Nec: 43 patents #118 of 14,502Top 1%
Overall (All Time): #71,038 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
5886987 FDD/CDMA transmission/reception system Shousei Yoshida 1999-03-23
5734647 CDMA communication system in which interference removing capability is improved Shousei Yoshida 1998-03-31
5701333 Diversity receiver in which reception characteristics can be improved Kazuhiro Okanoue 1997-12-23
5687162 DS/CDMA receiver having an interference cancelling function capable of asssuring a desired reception quality in a narrow-band DS/CDMA Shousei Yoshida 1997-11-11
5646964 DS/CDMA receiver for high-speed fading environment Shosei Yoshida 1997-07-08
5644603 Maximum-likelihood sequence estimator with variable number of states 1997-07-01
5621764 Soft decision signal outputting receiver Kazuhiro Okanoue, Akira Hioki 1997-04-15
5528627 Signal reception system comprising an adaptive filter Shuzo Yanagi 1996-06-18
5519727 Adaptive equalizer Kazuhiro Okanoue 1996-05-21
5479450 Digital data demodulating apparatus Kazuhiro Okanoue 1995-12-26
5450445 Method and arrangement of estimating data sequences transmitted using viterbi algorithm 1995-09-12
5448761 Channel assignment in a cellular mobile radio network with a CIR threshold level selected in dependency on priority degrees of channels used in the network 1995-09-05
5444721 Maximum likelihood sequence estimation apparatus Kazuhiro Okanoue, Yukitsuna Furuya 1995-08-22
5363411 Low power consumption receiver with adaptive equalizer Yukitsuna Furuya, Kazuhiro Okanoue, Hideho Tomita 1994-11-08
5325402 Method and arrangement for estimating data sequences transmsitted using Viterbi algorithm 1994-06-28
5323422 Adaptive receiver apparatus 1994-06-21
5272726 Blind type sequence estimator for use in communications system Yukitsuna Furuya 1993-12-21
5228058 Adaptive equalizer Ichiro Tsujimoto 1993-07-13