Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10973750 | Copolymer, thickening agent containing said copolymer, and cosmetic preparation in which said copolymer is blended | Takatoshi Matsuura, Yasuyoshi Mori | 2021-04-13 |
| 8969591 | Method for producing cyclic sulfonic acid ester and intermediate thereof | Kuniaki Okamoto, Tsutomu Watahiki, Motoshige Sumino | 2015-03-03 |
| 8957212 | Photobase generator | Motoshige Sumino, Nobuhiko Sakai | 2015-02-17 |
| 8673963 | Method for producing cyclic sulfonic acid ester and intermediate thereof | Kuniaki Okamoto, Tsutomu Watahiki, Motoshige Sumino | 2014-03-18 |