Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10076718 | Filtering medium for deodorizing filter | Yusuke Hidaka | 2018-09-18 |
| 7594946 | Air-cleaner filter material for internal combustion engine and air-cleaner element | Yasunori Matsubara, Yoshihiko Kubo | 2009-09-29 |
| 6416570 | Integrally molded type filter unit and manufacture of the same | Mitsuhiko Akiyama, Shinichi Minemura | 2002-07-09 |