Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844621 | Fuel pump with passage for attenuating noise generated by impeller | Koji Umemura, Toru Nakashima, Masashi MIYAMOTO | 1989-07-04 |
| 4827897 | Fuel pump driving apparatus | Hirotada Yamada, Toshio Kondo, Katsushi Kato | 1989-05-09 |