Issued Patents 1989
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888285 | Enzyme immobilization on a water-insoluble amino group-containing carrier | Yuusaku Nishimura, Ryoichi Haga | 1989-12-19 |
| 4888703 | Apparatus for monitoring the toxicant contamination of water by using aquatic animals | Kenji Baba, Hayao Yahagi, Shoji Watanabe, Naoki Hara, Mikio Yoda +3 more | 1989-12-19 |
| 4877680 | Recording medium with non-porous ink-receiving layer | Mamoru Sakaki, Ryuichi Arai, Takashi Akiya, Shigeo Toganoh, Masahiko Higuma +4 more | 1989-10-31 |
| 4868581 | Ink-receiving composite polymer material | Hidemasa Mouri, Michiaki Tobita, Naonobu Eto, Shunzo Kouno, Takashi Akiya +4 more | 1989-09-19 |
| 4861383 | Process for recovering subterranean stem starch and protein | Ryooichi Haga, Yoji Odawara, Sankichi Takahashi, Katsuya Ebara | 1989-08-29 |
| 4801497 | Recording medium | Shunzo Kono, Hidemasa Mouri, Michiaki Tobita, Naonobu Eto, Takashi Akiya +4 more | 1989-01-31 |