Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4500652 | Process for producing cation exchange resins without swelling during sulphonation process | Takeshi Teraue, Masamiti Hatae | 1985-02-19 |
| 4409377 | Suspension polymerization process | Takamitsu Morita | 1983-10-11 |