Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5288826 | Polymer, surface modifier for inorganic materials and modified products thereof | Masaharu Yamamoto | 1994-02-22 |
| 4853436 | Graft polymerization of substituted styrene polymers having pendant vinylidene groups | Koichi Tsutsui | 1989-08-01 |