Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458921 | Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule | Yorimichi Dairoku, Kunihiko Ishizaki, Kazuhisa Hitomi, Katsuhiro Kajikawa, Soichi Yamada | 2002-10-01 |
| 6388000 | Method for production of hydrophilic resin | Yoshio Irie, Katsuhiro Kajikawa, Kunihiko Ishizaki | 2002-05-14 |