Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843819 | Air filter | Atsushi Suzuki, Toshinori Oba, Norihiko Matsushita, Katsumi Suzuki | 2005-01-18 |
| 6336947 | Air filter | Yutaka Atsumi, Jun Suzuki, Katsumi Osaka | 2002-01-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843819 | Air filter | Atsushi Suzuki, Toshinori Oba, Norihiko Matsushita, Katsumi Suzuki | 2005-01-18 |
| 6336947 | Air filter | Yutaka Atsumi, Jun Suzuki, Katsumi Osaka | 2002-01-08 |