Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6817557 | Process for transporting, storing, and producing a particulate water-absorbent resin | Hiroyuki Kakita, Tatsuo Maruo, Yoshio Irie | 2004-11-16 |
| 6720389 | Water-absorbent resin and production process therefor | Yoshio Irie, Masatoshi Nakamura, Katsuyuki Wada, Shinichi Fujino, Kazuki Kimura +1 more | 2004-04-13 |