Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D605274 | Air filter | Youzou Yano, Takashi Tagou, Akio Suzuki | 2009-12-01 |
| D605275 | Air filter | Youzou Yano, Takashi Tagou, Akio Suzuki | 2009-12-01 |
| D593189 | Air filter | Youzou Yano, Takashi Tagou, Akio Suzuki | 2009-05-26 |
| 6808553 | Filter medium for turbine and methods of using and producing the same | Takuya Maeoka | 2004-10-26 |