Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9764268 | Gas purification filter unit | Yutaka Shimada | 2017-09-19 |
| 7404493 | Filter device including pleated filter incorporated in a housing | — | 2008-07-29 |
| 6712649 | Plug | Nobuyuki Mano, Takeshi Matsuda | 2004-03-30 |
| 6676451 | Connective jack | Hiroshi Suzuki | 2004-01-13 |