Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879041 | Process for producing ultra-pure water and process for using said ultra-pure water | Hideaki Kurokawa, Akira Yamada, Yasuo Koseki, Harumi Matsuzaki, Katsuya Ebara +5 more | 1989-11-07 |
| 4861383 | Process for recovering subterranean stem starch and protein | Masahiko Ishida, Ryooichi Haga, Yoji Odawara, Katsuya Ebara | 1989-08-29 |