Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5302654 | Production of polymer microparticles having water-insoluble chemicals immobilized therein | Keizo Ishii, Hidetsumu Okada, Hisaichi Muramoto, Shinichi Ishikura | 1994-04-12 |