Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872806 | Centrifugal pump of vortex-flow type | Tadashi Kozawa, Naohiro Natsume, Hirofumi Komatsubara | 1989-10-10 |
| 4869739 | Fuel vapor collecting device | Yoshihiro Kanome, Fumiyoshi Noda, Takashi Minami, Etsuo Sugiyama | 1989-09-26 |
| 4868252 | Epoxy resin composition | Takao Doi, Shigeyuki Kozawa | 1989-09-19 |
| 4836172 | Canister device for use in gasoline tank | Kazumi Haruta | 1989-06-06 |