Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4251651 | Amphoteric polyelectrolyte | Shigenao Kawakami, Shigeru Ura, Naoyoshi Jinno, Shin-ichi Isaoka | 1981-02-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4251651 | Amphoteric polyelectrolyte | Shigenao Kawakami, Shigeru Ura, Naoyoshi Jinno, Shin-ichi Isaoka | 1981-02-17 |