Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6156090 | Air cleaner having vanes with a winglike cross-section between a shroud and baseplate for rotation within a housing | Tominori Ishikawa, Makoto Yokoyama, Yoshihiro Takada, Keiichi Honma, Osamu Kawasaki +3 more | 2000-12-05 |
| 6019808 | Air cleaner | Tominori Ishikawa, Masayuki Terano, Yoshihiro Takada, Keiichi Honma | 2000-02-01 |