Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5075009 | Separation agent comprising acyl- or carbamoyl-substituted polysaccharide | Hajime Namikoshi, Tohru Shibata | 1991-12-24 |
| 5059328 | Separation agent comprising 1,3-glucan | Tohru Shibata, Hajime Namikoshi | 1991-10-22 |
| 5041226 | Separating with an agent comprising aliphatic ester of polysaccharide | Tohru Shibata, Hajime Namikoshi | 1991-08-20 |
| 5032277 | Optical resolution with .beta.-1,4-mannan tribenzoate | Yoshio Okamoto, Koichi Hatada, Tohru Shibata, Hajime Namikoshi | 1991-07-16 |
| 5017290 | Separation agent comprising acyl- or carbamoyl-substituted polysaccharide | Hajime Namikoshi, Tohru Shibata | 1991-05-21 |
| 5002669 | Separation agent comprising 1,3-glucan | Tohru Shibata, Hajime Namikoshi | 1991-03-26 |
| 4966694 | Separation agent comprising acyl- or carbamoyl-substituted polysaccharide | Hajime Namikoshi, Tohru Shibata | 1990-10-30 |
| 4931184 | Optical resolution with tribenzoyl-b-1,4-chitosan | Yoshio Okamoto, Koichi Hatada, Tohru Shibata, Hajime Namikoshi | 1990-06-05 |
| 4897198 | Separation agent comprising 1,3-glucan | Tohru Shibata, Hajime Namikoshi | 1990-01-30 |
| 4892659 | Separation agent comprising aliphatic ester of polysaccharide | Tohru Shibata, Hajime Namikoshi | 1990-01-09 |
| 4879038 | Separation agent comprising acyl- or carbamoyl-substituted polysaccharide | Hajime Namikoshi, Tohru Shibata | 1989-11-07 |
| 4846968 | Resolving agent | Yoichi Yuki, Tohru Shibata, Hiroyuki Nakamura | 1989-07-11 |
| 4830752 | Separation agent comprising 1,3-glucan | Tohru Shibata, Hajime Namikoshi | 1989-05-16 |
| 4818394 | Separating agent | Yoshio Okamoto, Koichi Hatada, Tohru Shibata, Hiroyuki Nakamura | 1989-04-04 |
| 4786416 | Resolving agent | Yoichi Yuki, Tohru Shibata, Hiroyuki Nakamura | 1988-11-22 |
| 4786415 | Separation agent comprising aliphatic ester of polysaccharide | Tohru Shibata, Hajime Namikoshi | 1988-11-22 |
| 4714555 | Agent for separation | Tohru Shibata | 1987-12-22 |
| 4672141 | Polyalkylene ether glycols | Masatoshi Motoi, Yuzo Toga, Tatsuya Kanno | 1987-06-09 |
| 4606567 | Door latch operating device | Yuichi Kato | 1986-08-19 |
| 4599460 | Polyalkylene ether glycol copolymers | Yuzo Toga, Tatsuya Kanno | 1986-07-08 |
| 4436896 | Polyester copolymer | Yuzo Toga | 1984-03-13 |
| 4418172 | Polyester composition containing 2-methyl-1,3-propylene glycol dibenzoate | Takuzo Kasuga, Yuzo Toga, Katsuhiko Takahashi | 1983-11-29 |
| 4415727 | Modified polyethylene terephthalate molding material | Yuzo Toga, Toshio Shimada | 1983-11-15 |