Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7394785 | Mobile communication system, radio base station, mobile station, channel transmission control method, and channel transmission control program | Hideki Tobe, Hidetoshi Kayama, Narumi Umeda | 2008-07-01 |
| 7110767 | Packet based mobile communications system with multicast paging of standby mobiles | Hidetoshi Kayama, Narumi Umeda | 2006-09-19 |
| 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 | Hidetoshi Kayama, Narumi Umeda | 2006-07-11 |
| 7035637 | Location registration area configuring method, mobile communication system, base station, and location management server | Hidetoshi Kayama, Narumi Umeda | 2006-04-25 |
| 6905580 | Water treating apparatus | Keiko Kurokawa, Toshimitsu Tsukui, Tatsuya Hirota | 2005-06-14 |
| 6827849 | Foot warm bath equipment | Keiko Kurokawa, Daisuke Suzuki, Toshimitsu Tsukui | 2004-12-07 |
| 5862857 | Heat exchanger for refrigerating cycle | Atsuyumi Ishikawa, Masahiro Kobayashi, Masanori Akutsu, Takashi Kawanabe | 1999-01-26 |