Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8605273 | Solar light tracking sensor direction setting/measuring/re-adjusting method and solar light collecting device | Kazuaki Ezawa, Kazumasa Fujiwara, Takashi Kawaguchi | 2013-12-10 |
| 8046101 | Cleaning robot system and method of controlling same | Masujiro Hisatani, Hirotaka Oohashi, Jun Tsukada, Toru Takehara | 2011-10-25 |