Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8113294 | Beach cleaner | Hidekazu Sakai, Tadashi Oshima, Tetsuro Hosoda, Akito Hiramatsu | 2012-02-14 |
| 7997349 | Beach cleaner | Hidekazu Sakai, Tadashi Oshima, Tetsuro Hosoda, Akito Hiramatsu | 2011-08-16 |
| 7896094 | Beach cleaner | Hidekazu Sakai, Akito Hiramatsu | 2011-03-01 |
| 7798240 | Waste recovery station structure for beach cleaner and beach cleaner structure | Hidekazu Sakai, Tadashi Oshima, Tetsuro Hosoda | 2010-09-21 |
| 4662467 | Front wheel suspension for a motor vehicle with riding saddle | Tadayoshi Fujii | 1987-05-05 |
| 4632071 | Engine breather device for motor vehicle with riding saddle | Tadayoshi Fujii | 1986-12-30 |
| 4623167 | Vehicle frame construction for buggies with riding saddles | Shinji Matsubayashi, Tsuneo Kajikawa | 1986-11-18 |