Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885198 | Sheets for use in correspondence | — | 1989-12-05 |
| 4845304 | Process for producing fluorobenzaldehydes | Yasuo Yoshida | 1989-07-04 |
| 4820949 | Electrically powered apparatus | Shotaro Mizobuchi, Toshiya Kanamori, Katsumi Sasaki, Katsutoshi Chiba | 1989-04-11 |
| 4806080 | Pump with shaftless impeller | Shotaro Mizobuchi, Katsumi Sasaki | 1989-02-21 |