Issued Patents All Time
Showing 25 most recent of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12250666 | Base station device, relay device, and communication system | Yoshiaki Ohta, Yoshihiro Kawasaki | 2025-03-11 |
| 12219592 | Wireless communications system, base station, mobile station, and processing method | Yoshiaki Ohta, Shinichiro Aikawa, Takayoshi Ode, Junichi Suga | 2025-02-04 |
| 11737128 | Wireless communications system, base station, mobile station, and processing method | Yoshiaki Ohta, Shinichiro Aikawa, Takayoshi Ode, Junichi Suga | 2023-08-22 |
| 11690092 | Wireless communications system, base station, mobile station, and processing method | Yoshiaki Ohta, Shinichiro Aikawa, Takayoshi Ode, Junichi Suga | 2023-06-27 |
| 11432346 | Wireless communications system, base station, and mobile station | Yoshiaki Ohta, Shinichiro Aikawa, Takayoshi Ode, Junichi Suga | 2022-08-30 |
| 10728932 | Wireless communications system, base station, and mobile station | Yoshiaki Ohta, Shinichiro Aikawa, Takayoshi Ode, Junichi Suga | 2020-07-28 |
| 9204348 | Method for dropping packet data, radio communication device, and mobile communication system | Yoshiaki Ohta, Yoshiharu Tajima, Kazuhisa Obuchi, Naotoshi Watanabe, Yoshinori Tanaka +1 more | 2015-12-01 |
| 8908644 | Method for dropping packet data, radio communication device, and mobile communication system | Yoshiaki Ohta, Yoshiharu Tajima, Kazuhisa Obuchi, Naotoshi Watanabe, Yoshinori Tanaka +1 more | 2014-12-09 |
| 8730907 | Transmitting and receiving location registration messages and data packets in a communication system | — | 2014-05-20 |
| 8711810 | Method for dropping packet data, radio communication device, and mobile communication system | Yoshiaki Ohta, Yoshiharu Tajima, Kazuhisa Obuchi, Naotoshi Watanabe, Yoshinori Tanaka | 2014-04-29 |
| 8582533 | Method for dropping packet data, radio communication device, and mobile communication system | Yoshiaki Ohta, Yoshiharu Tajima, Kazuhisa Obuchi, Naotoshi Watanabe, Yoshinori Tanaka +1 more | 2013-11-12 |
| 8577397 | Wireless communication system, communication control method, mobility management apparatus, mobile terminal and base station | — | 2013-11-05 |
| 8233453 | Method for dropping packet data, radio communication device, and mobile communication system | Yoshiaki Ohta, Yoshiharu Tajima, Kazuhisa Obuchi, Naotoshi Watanabe, Yoshinori Tanaka +1 more | 2012-07-31 |
| 7949755 | Network/service control method | Masafumi Katoh, Tsuguo Kato, Yoichiro Igarashi, Hitoshi Yamada | 2011-05-24 |
| 7711819 | Load balancer | Hideaki Ono, Keiichi Nakatsugawa | 2010-05-04 |
| 7657653 | Load decentralization method and apparatus thereof | Haruyuki Takeyoshi, Hideaki Ono | 2010-02-02 |
| 7554950 | Handover method and mobile communication system and mobile terminal using same | Keiichi Nakatugawa, Hideaki Takusagawa, Hideaki Ono | 2009-06-30 |
| 7457863 | Home agent for getting information a line usage, a CPU usage rate, and a registered node number, and for adjusting transmitting period from a mobile node | Haruyuki Takeyoshi, Hideaki Ono | 2008-11-25 |
| 7359350 | Mobile packet communication system | Tsuguo Kato, Masaaki Wakamoto, Hideaki Ono | 2008-04-15 |
| 7277430 | Short cell multiplexer | Hideaki Ono, Tsuguo Kato, Hiroshi Sasaki, Takayuki Sasaki | 2007-10-02 |
| 7136365 | Mobile node adapted router and home agent router | Keiichi Nakatsugawa, Tsuguo Kato | 2006-11-14 |
| 7113509 | Node device | Keiichi Nakatsugawa, Tsuguo Kato, Hideaki Ono | 2006-09-26 |
| 6975651 | Cell processing apparatus, ATM exchange and cell discarding method | Hideaki Ono, Hiroshi Sasaki, Takayuki Sasaki | 2005-12-13 |
| 6781993 | Switch and switching method for processing communication data of a particular connection | Tsuguo Kato, Hideaki Ono | 2004-08-24 |
| 6757254 | ATM switching apparatus applicable to short cell | Hideaki Ono, Toru Fujisawa | 2004-06-29 |