Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7776181 | Retention improving composition | Yoshio Mori, Koichi Adachi, Ken Takeda | 2010-08-17 |
| 6818677 | Process for producing water-soluble polymer | Kenji Ito, Juichi Gotoh, Susumu Miho | 2004-11-16 |