Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458921 | Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule | Yorimichi Dairoku, Takumi Hatsuda, Kazuhisa Hitomi, Katsuhiro Kajikawa, Soichi Yamada | 2002-10-01 |
| 6444744 | Hydrophilic resin, absorbent article, and acrylic acid for polymerization | Hirotama Fujimaru, Nobuyuki Harada, Sei Nakahara | 2002-09-03 |
| 6388000 | Method for production of hydrophilic resin | Yoshio Irie, Katsuhiro Kajikawa, Takumi Hatsuda | 2002-05-14 |