Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5192444 | Separating with an agent comprising an aliphatic ester of a polysaccharide | Hajime Namikoshi, Ichiro Okamoto | 1993-03-09 |
| 5137638 | Separation agent comprising acyl- or carbamoyl-substituted polysaccharide | Hajime Namikoshi, Ichiro Okamoto | 1992-08-11 |
| 5135653 | Optical resolution with .beta.-1,4-xylan dibenzoate | Yoshio Okamoto, Koichi Hatada, Hajime Namikoshi, Ichiro Okamoto | 1992-08-04 |
| 5089138 | Separating with an agent comprising an aliphatic ester of a polysaccharide | Hajime Namikoshi, Ichiro Okamoto | 1992-02-18 |
| 5075009 | Separation agent comprising acyl- or carbamoyl-substituted polysaccharide | Hajime Namikoshi, Ichiro Okamoto | 1991-12-24 |
| 5059328 | Separation agent comprising 1,3-glucan | Hajime Namikoshi, Ichiro Okamoto | 1991-10-22 |
| 5041226 | Separating with an agent comprising aliphatic ester of polysaccharide | Hajime Namikoshi, Ichiro Okamoto | 1991-08-20 |
| 5032277 | Optical resolution with .beta.-1,4-mannan tribenzoate | Yoshio Okamoto, Koichi Hatada, Hajime Namikoshi, Ichiro Okamoto | 1991-07-16 |
| 5032281 | Separating membrane and separation method | Shinji Nagamatsu, Yoshikazu Tanaka | 1991-07-16 |
| 5017290 | Separation agent comprising acyl- or carbamoyl-substituted polysaccharide | Hajime Namikoshi, Ichiro Okamoto | 1991-05-21 |
| 5002669 | Separation agent comprising 1,3-glucan | Hajime Namikoshi, Ichiro Okamoto | 1991-03-26 |
| 4966694 | Separation agent comprising acyl- or carbamoyl-substituted polysaccharide | Hajime Namikoshi, Ichiro Okamoto | 1990-10-30 |
| 4931184 | Optical resolution with tribenzoyl-b-1,4-chitosan | Yoshio Okamoto, Koichi Hatada, Hajime Namikoshi, Ichiro Okamoto | 1990-06-05 |
| 4897198 | Separation agent comprising 1,3-glucan | Hajime Namikoshi, Ichiro Okamoto | 1990-01-30 |
| 4892659 | Separation agent comprising aliphatic ester of polysaccharide | Hajime Namikoshi, Ichiro Okamoto | 1990-01-09 |
| 4879038 | Separation agent comprising acyl- or carbamoyl-substituted polysaccharide | Hajime Namikoshi, Ichiro Okamoto | 1989-11-07 |
| 4846968 | Resolving agent | Yoichi Yuki, Ichiro Okamoto, Hiroyuki Nakamura | 1989-07-11 |
| 4830752 | Separation agent comprising 1,3-glucan | Hajime Namikoshi, Ichiro Okamoto | 1989-05-16 |
| 4818394 | Separating agent | Yoshio Okamoto, Koichi Hatada, Ichiro Okamoto, Hiroyuki Nakamura | 1989-04-04 |
| 4786415 | Separation agent comprising aliphatic ester of polysaccharide | Hajime Namikoshi, Ichiro Okamoto | 1988-11-22 |
| 4786416 | Resolving agent | Yoichi Yuki, Ichiro Okamoto, Hiroyuki Nakamura | 1988-11-22 |
| 4714555 | Agent for separation | Ichiro Okamoto | 1987-12-22 |
| 4708951 | Anticoagulative high-molecular compositions | Hiroshi Inagaki, Takeaki Miyamoto, Hiraku Ito | 1987-11-24 |
| 4683341 | Optical resolution of oxycyclopentenone | Kunio Ishii | 1987-07-28 |