Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818445 | Apparatus for treating a solution or a slurry solution | Masakazu Onizuka, Atsushi Tatani, Katsuhiko Yamada, Masao Hino, Tokuma Arai | 1989-04-04 |
| 4811585 | Device for forming asymmetrical articles by rolling | Ryoichi Takahashi, Tomoyoshi Sato, Hidehiko Tsukamoto, Kazuo Morimoto | 1989-03-14 |