Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6727345 | Continuous production process for water-absorbent resin powder and powder surface detector used therefor | Toru Nishioka, Hirotama Fujimaru, Kunihiko Ishizaki | 2004-04-27 |
| 6716894 | Water-absorbent resin powder and its production process and uses | Toru Nishioka, Hirotama Fujimaru, Kunihiko Ishizaki | 2004-04-06 |