Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617489 | Absorbent, absorbing product based thereon, and water-absorbing resin | Naoko Takahashi, Kunihiko Ishizaki | 2003-09-09 |
| 6599989 | Water-absorbent agents containing polycarboxylic amine chelating agents | Hiroko Ueda, Naoko Takahashi, Kinya Nagasuna, Koji Miyake, Yasuhiro Fujita +1 more | 2003-07-29 |
| 6586549 | Water-absorbing composition and its use | Takumi Hatsuda, Kazuki Kimura, Koji Miyake, Eri Goto | 2003-07-01 |