Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7879124 | Air cleaner and method of manufacturing the same | Wataru Sugimoto | 2011-02-01 |
| 7780770 | Air cleaner | Atsushi Suzuki | 2010-08-24 |
| 7699912 | Air-cleaner | Wataru Sugimoto, Osamu Kaneko, Tetsuo Akiyama, Atsushi Suzuki | 2010-04-20 |
| 7473306 | Air cleaner | Tetsuo Akiyama | 2009-01-06 |