Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6458921 | Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule | Kunihiko Ishizaki, Takumi Hatsuda, Kazuhisa Hitomi, Katsuhiro Kajikawa, Soichi Yamada | 2002-10-01 |