Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7625638 | Hygroscopic molding | Kaneto Ohyama, Kentaro Miyazawa, Yohei Kawaguchi, Hidehiko Maki, Yusuke Nakajima | 2009-12-01 |
| 6673436 | Moisture absorbing formed article | Yohei Kawaguchi, Masayuki Fujimori, Kaneto Ohyama, Atsushi Nishino | 2004-01-06 |