Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7907949 | Radio communication system, adjacent station information management method for this system, and management apparatus therefor | Kouhei Matsuzawa, Hiroshi Shouda, Kouichi Shiraishi | 2011-03-15 |
| 7561557 | Base station apparatus, mobile station, and contents provider | Masao Hayama, Shirou Mazawa, Fumihiko Shimazaki, Yuichiro Katsu | 2009-07-14 |
| 7006484 | Base station apparatus, mobile station, and contents provider | Masao Hayama, Shirou Mazawa, Fumihiko Shimazaki, Yuichiro Katsu | 2006-02-28 |