Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8246763 | High strength aluminum alloy casting and method of production of same | Kouji Yamada, Tomoyuki Hatano, Hiromi Takagi, Hiroshi Horikawa, Akio Hashimoto | 2012-08-21 |
| 4744902 | Annular wave filter device | Yoshihiro Taki, Toshiaki Fukuta, Hajime Akado, Yoshitaka Nishio | 1988-05-17 |
| 4738778 | Zig zag filter element | Yoshihiro Taki, Hajime Akado, Hitoshi Harada, Satoshi Inukai, Atsushi Sakaida | 1988-04-19 |
| 4569813 | Method of manufacturing a filter device | Yoshihiro Taki, Toshiaki Fukuta, Hajime Akado, Yoshitaka Nishio | 1986-02-11 |
| 4498989 | Fluid filter element and support | Toshiaki Fukuta, Hajime Akado, Yoshihiro Taki | 1985-02-12 |
| 4486206 | Cyclone type air cleaner | Hajime Akado, Yoshihiro Taki, Kenji Hikida, Toshiaki Nakayama | 1984-12-04 |
| 4439321 | Filter means | Yoshihiro Taki, Hajime Akado, Toshiaki Fukuta | 1984-03-27 |
| 4430223 | Filter element for filtering fluid and method of producing same | Toshiaki Fukuta, Hajime Akado, Yoshihiro Taki | 1984-02-07 |