Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9187579 | Particle-shaped water absorbing agent and method for producing the same | Hiroyuki Ikeuchi, Hirotama Fujimaru, Makoto Nagasawa, Kazuhiko Sakamoto, Shigeru Sakamoto +1 more | 2015-11-17 |
| 8822373 | Particulate water absorbing agent and production method thereof | Hirotama Fujimaru, Eri Nagasawa, Masatoshi Nakamura, Hiroyuki Ikeuchi, Makoto Nagasawa | 2014-09-02 |