Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5814672 | Strongly basic anion exchange resin and process for its production | Ryuichi Sugimoto | 1998-09-29 |
| 5350523 | Anion exchange method | Masao Tomoi, Hiromasa Ogawa, Teruo Onozuka, Tsuyoshi Ito | 1994-09-27 |