Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10836834 | Separating agent for optical isomer | Yoshio Okamoto, Chiyo Yamamoto, Tomoyuki Ikai | 2020-11-17 |
| 10007029 | β-phellandrene polymer, production method for same, and molded article | Kotaro Satoh, Shinya Suzuki, Yasuyuki Kori, Yuji Eguchi, Koichiro Iwasa +1 more | 2018-06-26 |
| 9499638 | Polysaccharide derivative and separating agent for optical isomer containing the same | Yoshio Okamoto, Chiyo Yamamoto, Shunsuke Kondo | 2016-11-22 |
| 8124712 | Filler for optical isomer separation | Yoshio Okamoto, Chiyo Yamamoto, Tomoyuki Ikai | 2012-02-28 |
| 8093344 | β-pinene polymer and process for producing the same | Kotaro Satoh, Hiroko Sugiyama | 2012-01-10 |
| 8053543 | Filler for optical isomer separation | Yoshio Okamoto, Chiyo Yamamoto, Tomoyuki Ikai | 2011-11-08 |
| 7772382 | Chitosan derivative and method of producing same | Yoshio Okamoto, Chiyo Yamamoto | 2010-08-10 |
| 7745616 | Bead for enantiomeric isomer resolution and process for producing the same | Yoshio Okamoto, Chiyo Yamamoto, Tomoyuki Ikai | 2010-06-29 |