Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792229 | Filter and filtering apparatus | Yukiya Sassa, Kenichi Kato, Hitoshi Ninomiya | 1998-08-11 |
| 5512075 | Folded filter element for filtering fluid | Hitoshi Ninomiya, Kenichi Katoh | 1996-04-30 |
| 5429180 | Perfume generating device | Tomohide Nishino, Yukiya Sassa | 1995-07-04 |
| 5297988 | Fragrance supplying apparatus for vehicle | Tomohide Nishino, Yukiya Sassa, Kunio Okamoto, Hajime Akado | 1994-03-29 |
| 4799470 | Supporting structure for air-cleaned assembly | Minoru Honda, Akihide Yamaguchi, Kenzi Ikuta | 1989-01-24 |
| 4744902 | Annular wave filter device | Yoshihiro Taki, Hajime Akado, Susumu Miyakawa, Yoshitaka Nishio | 1988-05-17 |
| 4569813 | Method of manufacturing a filter device | Yoshihiro Taki, Hajime Akado, Susumu Miyakawa, Yoshitaka Nishio | 1986-02-11 |
| 4498989 | Fluid filter element and support | Susumu Miyakawa, Hajime Akado, Yoshihiro Taki | 1985-02-12 |
| 4439321 | Filter means | Yoshihiro Taki, Hajime Akado, Susumu Miyakawa | 1984-03-27 |
| 4430223 | Filter element for filtering fluid and method of producing same | Susumu Miyakawa, Hajime Akado, Yoshihiro Taki | 1984-02-07 |