Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7561557 | Base station apparatus, mobile station, and contents provider | Masao Hayama, Yoshiyuki Machida, Shirou Mazawa, Yuichiro Katsu | 2009-07-14 |
| 7006484 | Base station apparatus, mobile station, and contents provider | Masao Hayama, Yoshiyuki Machida, Shirou Mazawa, Yuichiro Katsu | 2006-02-28 |
| 6128485 | Movable communication system | Takeshi Mori, Kazuyuki Irifune | 2000-10-03 |