Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861395 | Method of using machine parts made of austenitic cast iron having resistance to stress corrosion cracking in contact with salt water | Matsuho Miyasaka, Katsuhiro ICHIKAWA, Syotaro Mizobuchi, Naoaki Ogure | 1989-08-29 |
| 4820949 | Electrically powered apparatus | Shotaro Mizobuchi, Toshiya Kanamori, Katsutoshi Chiba, Yoshikazu Kimura | 1989-04-11 |
| 4806080 | Pump with shaftless impeller | Shotaro Mizobuchi, Yoshikazu Kimura | 1989-02-21 |