Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7153910 | Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule | Yorimichi Dairoku, Kunihiko Ishizaki, Takumi Hatsuda, Kazuhisa Hitomi, Katsuhiro Kajikawa | 2006-12-26 |
| 6458921 | Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule | Yorimichi Dairoku, Kunihiko Ishizaki, Takumi Hatsuda, Kazuhisa Hitomi, Katsuhiro Kajikawa | 2002-10-01 |
| 6228930 | Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule | Yorimichi Dairoku, Kunihiko Ishizaki, Takumi Hatsuda, Kazuhisa Hitomi, Katsuhiro Kajikawa | 2001-05-08 |