Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7098284 | Water-absorbing agent and production process therefor, and water-absorbent structure | Toshimasa Kitayama, Nobuyuki Harada | 2006-08-29 |
| 6881792 | Production processes for basic water-absorbent resin and water-absorbing agent, and use thereof | Nobuyuki Harada, Shigeru Sakamoto, Yoshifumi Adachi, Kazuhisa Hitomi, Toshimasa Kitayama | 2005-04-19 |