Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886840 | Diluent for UV and EB curable resins | Hiroshi Oka, Kenji Shibusawa | 1989-12-12 |
| 4606771 | Enteric coating liquid | Ryoichi Hiraoka, Shohachi Ushijima, Motoyasu Saito | 1986-08-19 |
| 4547571 | Process for preparing carboxymethyl ethyl cellulose suitable for enteric coating | Ryoichi Hiraoka, Shohachi Ushijima, Motoyasu Saito | 1985-10-15 |
| 4250305 | Process for preparing cellulose ether | Motoyasu Saito | 1981-02-10 |