RK

Rintaro Katayama

HI Hitachi: 31 patents #867 of 28,497Top 4%
Overall (All Time): #117,532 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 25 most recent of 31 patents

Patent #TitleCo-InventorsDate
11659431 Traffic control method, receiver, and communication system Daisuke Ishii, Ryosuke Fujiwara 2023-05-23
11544111 Sensor device, sensor device management system, and sensor device management method Ryosuke Fujiwara, Kenichi Mizugaki 2023-01-03
11133900 Sensor device management method and sensor device management system Kenichi Mizugaki, Ryosuke Fujiwara 2021-09-28
10996076 Sensor device management method and sensor device management system Kenichi Mizugaki, Ryosuke Fujiwara 2021-05-04
10923793 Antenna device, manhole cover equipped with antenna device, and power distribution panel equipped with same Masami OONISHI, Kenichi Mizugaki, Ryosuke Fujiwara 2021-02-16
9629052 Traffic management server Hideki Okita, Hiroto Nakagawa 2017-04-18
9161277 Mobility control method mitigating inter cell interference and base stations which adopt the method Tomonori Yamamoto, Satoshi Tamaki, Hirotake Ishii 2015-10-13
9113424 Wireless communication system and method for wireless communication Keisuke Takeuchi 2015-08-18
9083450 Base station, system, and method of macro and pico base station interference coordination using uplink prohibition period Shigenori Hayase, Tsuyoshi Tamaki, Tomonori Yamamoto 2015-07-14
8964777 Base station and method of interference handling Tomonori Yamamoto, Shigenori Hayase 2015-02-24
8897161 Wireless communication system and base station Kenzaburo Fujishima, Tsuyoshi Tamaki, Hitoshi Ishida 2014-11-25
8849281 Wireless communication system and method for wireless communication Keisuke Takeuchi 2014-09-30
8831609 Control node in a communication system using multiple wireless resources during a soft handoff May Takada, Yosuke Takahashi, Shiro Mazawa 2014-09-09
8818443 Base station and cellular wireless communication system Tomonori Yamamoto, Hirotake Ishii 2014-08-26
8811286 Base station, interference control method and radio communication system Tomonori Yamamoto, Keisuke Takeuchi 2014-08-19
8744362 Base station Takuji Kawahatsu, Satoshi Tamaki, Tomonori Yamamoto 2014-06-03
8660049 Wireless communication system, base station and network control apparatus Satoshi Tamaki, Tomonori Yamamoto, Hirotake Ishii 2014-02-25
8560000 Transmit power control method for reducing cellular interference in cellular radio communication system and radio base station device for implementing the same Satoshi Tamaki, Tomonori Yamamoto, Hirotake Ishii, Shigenori Hayase 2013-10-15
8520612 Method for radio resource control and base station using the same Tomonori Yamamoto, Keisuke Takeuchi, Koki Uwano 2013-08-27
8503295 Base station and access control method for cellular wireless communication Keisuke Takeuchi, Tomonori Yamamoto, Koki Uwano 2013-08-06
8477682 Base station, terminal and wireless communication system Keisuke Takeuchi, Tomonori Yamamoto, Koki Uwano 2013-07-02
8462718 Resource assignment method and communication apparatus for wireless communication system Satoshi Tamaki, Hirotake Ishii, Tomonori Yamamoto 2013-06-11
8463272 Wireless communication system and load balancing aware handover method therefor Tomonori Yamamoto, Satoshi Tamaki, Hirotake Ishii 2013-06-11
8295227 Radio communication system, mobile station, and radio base station Toshiyuki Saito, Shiro Mazawa, Daigo Takayanagi 2012-10-23
8238927 OFDM cellular communication method, system and base station Toshiyuki Saito, Akihiko Yoshida, Shiro Mazawa 2012-08-07