NU

Narumi Umeda

ND Ntt Docomo: 85 patents #31 of 1,706Top 2%
NN Ntt Mobile Communications Network: 16 patents #3 of 253Top 2%
NT NTT: 6 patents #897 of 4,871Top 20%
Overall (All Time): #12,741 of 4,157,543Top 1%
107
Patents All Time

Issued Patents All Time

Showing 51–75 of 107 patents

Patent #TitleCo-InventorsDate
7308282 Communication control system, communication control method, base station and mobile station Lan Chen, Hidetoshi Kayama 2007-12-11
7305247 Cell control method and cell system Hijin Sato 2007-12-04
7301948 Routing method, node, packet communication system, program, and recording medium Koji Omae, Takehiro Ikeda, Ichiro Okajima 2007-11-27
7292863 Admission control method and device in mobile communication system Lan Chen, Hidetoshi Kayama 2007-11-06
7254132 Mobile communication system, mobile communication method, wireless base station, mobile station, and program Toshiaki Takao, Kobaruto Shimada, Hijin Sato 2007-08-07
7254409 Multicast service providing system, multicast service providing method, information distributor, radio terminal, and radio base station Hijin Sato, Kobaruto Shimada, Toshiaki Takao 2007-08-07
7239619 Mobile communication system, base station, mobile station, and cell control method Hideki Tobe, Hidetoshi Kayama 2007-07-03
7218950 Base station, mobile station, communication system, transmission control method, and mobile station control program Heng Qiu, Hidetoshi Kayama, Jyunichirou Hagiwara 2007-05-15
7184709 Radio packet communication system, radio packet communication method, base station and mobile station Heng Qiu, Hidetoshi Kayama 2007-02-27
7155234 Connection acceptance control scheme by obtaining available quality value Daisuke Kitazawa, Hijin Sato 2006-12-26
7149527 Efficient and stable radio resource allocation Lan Chen, Yasushi Yamao 2006-12-12
7142847 Mobile communication system, resource switching method thereof, network control apparatus included therein, same and network control method Tsutomu Yokoyama, Sadayuki Hongo 2006-11-28
7139561 Mobile communication system and distributed broadcast information control method in mobile communication system Takehiro Ikeda, Ichiro Okajima 2006-11-21
7136662 Wireless base station, method of selecting wireless base station, method of multicasting, and wireless terminal Hijin Sato, Toshiaki Takao, Kobaruto Shimada 2006-11-14
7130638 Radio resource allocation method and base station using the same Lan Chen, Yasushi Yamao 2006-10-31
7130636 Wireless communication apparatus and wireless channel assignment method Daisuke Kitazawa, Hijin Sato 2006-10-31
7116983 Method, base station and mobile station for timeslot selection and timeslot assignment Chen Lan 2006-10-03
7117003 Communications control system, communications control method, and mobile station and base station for use therein Hidetoshi Kayama 2006-10-03
7110767 Packet based mobile communications system with multicast paging of standby mobiles Masayuki Motegi, Hidetoshi Kayama 2006-09-19
7089017 Resource control method, mobile communication system, base station and mobile station Lan Chen, Hidetoshi Kayama 2006-08-08
7076258 Location registration method and paging method in mobile communication system, mobile communication system, base station, communication control method, mobile station, and communication control program Masayuki Motegi, Hidetoshi Kayama 2006-07-11
7072655 Mobile communication system and method for controlling receiving quality Takehiro Ikeda, Ichiro Okajima 2006-07-04
7035637 Location registration area configuring method, mobile communication system, base station, and location management server Masayuki Motegi, Hidetoshi Kayama 2006-04-25
7006847 Base station for use in multi-network connection communication system and its connecting method Hijin Sato, Yasushi Yamao 2006-02-28
7006121 Virtual terminal configuring method and device Ichiro Okajima 2006-02-28