KO

Koichi Okawa

ND Ntt Docomo: 8 patents #336 of 1,706Top 20%
NN Ntt Mobile Communications Network: 2 patents #105 of 253Top 45%
Overall (All Time): #519,383 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
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 Hiroyuki Atarashi, Sadayuki Abeta, Mamoru Sawahashi 2011-08-23
7298721 Single-carrier/DS-CDMA packet transmitting method, uplink packet transmitting method in multi carrier/DS-CDMA mobile communication system, and structure of downlink channel in multi carrier/DS-CDMA mobile communication system Hiroyuki Atarashi, Sadayuki Abeta, Takehiro Ikeda, Mamoru Sawahashi, Fumiyuki Adachi 2007-11-20
7233812 Directional beam communication system, directional beam communication method, base station and controller Anil Umesh, Shinya Tanaka, Takehiro Nakamura 2007-06-19
7190957 Base station connection method, radio network controller, and mobile station Shinya Tanaka, Takehiro Nakamura 2007-03-13
7142888 Radio communication method, base station and mobile station Shinya Tanaka, Takehiro Nakamura 2006-11-28
7120467 Radio communication method and base station Anil Umesh, Shinya Tanaka, Takehiro Nakamura 2006-10-10
7099697 Base station, mobile communication system, and communication method Shinya Tanaka, Takehiro Nakamura 2006-08-29
7027839 Communication method using directional beam and radio base station Anil Umesh, Shinya Tanaka, Takehiro Nakamura 2006-04-11
6842442 DS-CDMA transmission method Koji Ohno, Mamoru Sawahashi, Shinji Uebayashi, Yukihiko Okumura 2005-01-11
6097711 DS-CDMA transmission method Koji Ohno, Mamoru Sawahashi, Shinji Uebayashi, Yukihiko Okumura 2000-08-01