KF

Kenzaburo Fujishima

HI Hitachi: 39 patents #529 of 28,497Top 2%
HT Hitachi Communication Technologies: 7 patents #5 of 214Top 3%
G1 Godo Kaisha Ip Bridge 1: 1 patents #36 of 54Top 70%
Overall (All Time): #67,994 of 4,157,543Top 2%
44
Patents All Time

Issued Patents All Time

Showing 26–44 of 44 patents

Patent #TitleCo-InventorsDate
8000745 Radio communication method and radio base transmission station Mikio Kuwahara, Masanori Taira 2011-08-16
7990942 Wireless data communication method for a base station using a common pilot channel and an individual pilot channel Masanori Taira 2011-08-02
7751381 Wireless base station using weighting elements of an array antenna Mikio Kuwahara, Masanori Taira, Koji Meguro, Toru Okamoto 2010-07-06
7639984 Wireless communication system Koki Uwano, Masanori Taira, Mikio Kuwahara 2009-12-29
7627298 Wireless communication method with data rate selected based on interference Masanori Taira, Koki Uwano 2009-12-01
7620002 Apparatus and method for controlling multiplex number in spatial domain Masanori Taira, Mikio Kuwahara 2009-11-17
7599660 Base station apparatus and control method for controlling channel density 2009-10-06
7453854 Radio signal communication method, base station and terminal station Mikio Kuwahara 2008-11-18
7359735 Radio communication apparatus and packet scheduling method Mikio Kuwahara, Masanori Taira, Koji Meguro, Toru Okamoto 2008-04-15
7236879 Method for calculating the position of a mobile terminal, positioning system, and position calculation apparatus Katsuhiko Tsunehara 2007-06-26
7110775 Position calculation method and a mobile terminal and a server therefor Atsushi Ogino, Hideya Suzuki 2006-09-19
7072673 Radio handset and position location system Katsuhiko Tsunehara, Mikio Kuwahara, Koji Watanabe 2006-07-04
7013111 Wireless communication apparatus Mikio Kuwahara, Kenichi Mizugaki, Atsushi Ogino 2006-03-14
6990345 Method and apparatus for wireless position location Mikio Kuwahara 2006-01-24
6950661 Location detection method, location detection apparatus and location detection program Koji Watanabe, Mikio Kuwahara, Katsuhiko Tsunehara 2005-09-27
6889051 Method and apparatus for measuring transmitting time offset of a base station Atsushi Ogino, Mikio Kuwahara, Tomoaki Ishifuji 2005-05-03
6671649 Position calculation method and position calculation apparatus Mikio Kuwahara, Tomoaki Ishifuji, Takashi Yano 2003-12-30
6556943 Position calculation method and position calculation apparatus Mikio Kuwahara, Tomoaki Ishifuji, Takashi Yano 2003-04-29
6484034 Radio handset and position location system Katsuhiko Tsunehara, Mikio Kuwahara, Koji Watanabe 2002-11-19