Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6500872 | Method for recycling waste styrene resin | Mayumi Miyashita, Miyuki Kamei | 2002-12-31 |
| 6417288 | Method of manufacturing polyelectrolyte | Yasuhito Inagaki, Haruo Watanabe, Miyuki Kuromiya | 2002-07-09 |
| 6348545 | Water-absorbing resin and manufacturing method | Yasuhito Inagaki, Haruo Watanabe | 2002-02-19 |