Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168719 | Method for the purification of ionic polymers | Keishi Shimokawa, Jun Shida, Naoki Nojiri, Shinobu Hiramatsu | 2001-01-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6168719 | Method for the purification of ionic polymers | Keishi Shimokawa, Jun Shida, Naoki Nojiri, Shinobu Hiramatsu | 2001-01-02 |