Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8046101 | Cleaning robot system and method of controlling same | Hirotaka Oohashi, Kounosuke Oku, Jun Tsukada, Toru Takehara | 2011-10-25 |
| 5970433 | Laser obstacle detection method and sensor | Koji Oka, Hiroshi Imajo, Toru Takehara | 1999-10-19 |