Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11820733 | Process for producing sulfonic acid group-containing monomer | Yasuhiro Nagato, Kaishi Hori, Kenichi YAKIGAYA | 2023-11-21 |
| 11649205 | Vinylsulfonic anhydride, method for producing same, and method for producing vinylsulfonyl fluoride | Hideki Date, Yasuhiro Nagato, Akitake Nakamura, Kenichi YAKIGAYA | 2023-05-16 |