HA

Hiroyuki Atarashi

ND Ntt Docomo: 56 patents #44 of 1,706Top 3%
NE Nec: 2 patents #5,510 of 14,502Top 40%
AR Agency For Science, Technology And Research: 1 patents #909 of 2,337Top 40%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
Overall (All Time): #43,281 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 26–50 of 57 patents

Patent #TitleCo-InventorsDate
8107411 Mobile station capable of and a method for generating chip patterns for transmission Mamoru Sawahashi, Teruo Kawamura 2012-01-31
8018896 Uplink and downlink channel configuration method in radio communication system Kenichi Higuchi, Mamoru Sawahashi 2011-09-13
8009748 Downlink channel transmission device and method thereof Mamoru Sawahashi, Kenichi Higuchi 2011-08-30
8005063 Uplink channel receiving and transmitting apparatuses and methods Nobuhiko Miki, Sadayuki Abeta, Mamoru Sawahashi 2011-08-23
8005110 Single carrier/DS-CDMA packet transmission method, an uplink packet transmission method in a multi-carrier/DS-CDMA mobile communications system, and a structure of a downlink channel in a multi-carrier/DS-CDMA mobile communications system Koichi Okawa, Sadayuki Abeta, Mamoru Sawahashi 2011-08-23
7991064 Radio parameter group generating apparatus, transmitter and receiver Mamoru Sawahashi, Kenichi Higuchi, Motohiro Tanno, Yoshihisa Kishiyama, Yoshiaki Ofuji 2011-08-02
7936739 Base station, a mobile station, a radio communications system, and a radio transmission method using spread spectrum and chip repetition Yoshikazu Goto, Mamoru Sawahashi 2011-05-03
7864739 Transmitter for multi-carrier transmission and multi-carrier transmitting method Sadayuki Abeta, Noriyuki Maeda, Mamoru Sawahashi 2011-01-04
7848447 Radio parameter group generating apparatus, transmitter and receiver Mamoru Sawahashi, Kenichi Higuchi, Motohiro Tanno, Yoshihisa Kishiyama, Yoshiaki Ofuji 2010-12-07
7844299 Mobile station capable of and a method for generating chip patterns for transmission Mamoru Sawahashi, Teruo Kawamura 2010-11-30
7826514 Radio transmitter-receiving apparatus and radio transmitting-receiving method for estimating noise and interference power in radio transmission using code spread Yoshikazu Kakura, Shousei Yoshida, Noriyuki Maeda 2010-11-02
7787519 Preamble transmission method, mobile station, mobile communication system, preamble transmission program and computer data signal Shingo Suwa, Mamoru Sawahashi 2010-08-31
7647060 Wireless communications system and method using transmission timing control Teruo Kawamura, Mamoru Sawahashi 2010-01-12
7646747 Channel constructing method and base station using the method Sadayuki Abeta, Mamoru Sawahashi 2010-01-12
7606196 Radio communication system, radio communication method, and transmitter apparatus and receiver apparatus suitable for use in the same Noriyuki Maeda, Mamoru Sawahashi 2009-10-20
7570957 Transmission control apparatus and transmission control method Sadayuki Abeta, Mamoru Sawahashi 2009-08-04
7532864 Noise power estimation method and noise power estimation device Masaru Fukuoka, Atsushi Sumasu, Sadayuki Abeta, Noriyuki Maeda 2009-05-12
7526011 Radio communication system, transmitter, receiver and radio communicating method Noriyuki Maeda, Mamoru Sawahashi 2009-04-28
7526041 Channel estimation circuit and channel estimation method Yoshikazu Kakura, Noriyuki Maeda 2009-04-28
7492794 Channel estimation method and apparatus for multi-carrier radio transmitting system Sadayuki Abeta, Mamoru Sawahashi 2009-02-17
7457324 Multi-carrier CDMA radio transmitting method and apparatus, and channel estimation method and apparatus for multi-carrier CDMA radio transmitting system Sadayuki Abeta, Mamoru Sawahashi 2008-11-25
7397839 OFDM communication system and method Noriyuki Maeda, Mamoru Sawahashi 2008-07-08
7372889 Mobile station capable of and a method for generating chip patterns for transmission Mamoru Sawahashi, Teruo Kawamura 2008-05-13
7324434 Radio transmission system and method, and transmitter apparatus and receiver apparatus used in the radio transmission system Mamoru Sawahashi, Sadayuki Abeta, Noriyuki Maeda 2008-01-29
7315566 Mobile communication system, channel synchronization establishing method, and mobile station Motohiro Tanno, Mamoru Sawahashi 2008-01-01