Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7243498 | Fin structure | Kazuya Sone | 2007-07-17 |
| 7122919 | Fixation framework for ring-shaped permanent magnet | Mamoru Saito | 2006-10-17 |
| 6668862 | Fluid bearing mechanism | Takayuki Minagawa, Hideto Urasawa | 2003-12-30 |
| 4312596 | Beating blade member of beater | Yasuo Doumoto | 1982-01-26 |