Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820949 | Electrically powered apparatus | Toshiya Kanamori, Katsumi Sasaki, Katsutoshi Chiba, Yoshikazu Kimura | 1989-04-11 |
| 4806080 | Pump with shaftless impeller | Katsumi Sasaki, Yoshikazu Kimura | 1989-02-21 |