Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9956513 | Air cleaner casing, air cleaner, and method for manufacturing air cleaner casing | — | 2018-05-01 |
| 9180396 | Air cleaner | — | 2015-11-10 |
| 7543561 | Swirl generator | Masumi Shibata, Suminobu Otsubo, Toshio Hayashi | 2009-06-09 |