Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6727345 | Continuous production process for water-absorbent resin powder and powder surface detector used therefor | Katsuhiro Kajikawa, Toru Nishioka, Hirotama Fujimaru | 2004-04-27 |
| 6720389 | Water-absorbent resin and production process therefor | Takumi Hatsuda, Yoshio Irie, Masatoshi Nakamura, Katsuyuki Wada, Shinichi Fujino +1 more | 2004-04-13 |
| 6716894 | Water-absorbent resin powder and its production process and uses | Katsuhiro Kajikawa, Toru Nishioka, Hirotama Fujimaru | 2004-04-06 |