Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6506416 | Virucide composition and sporicide composition | Yuji Okauchi, Tadashi Moriyama, Yuichi Hioki | 2003-01-14 |
| 5424161 | Toner composition | Norihiro Hayashi, Kuniyasu Kawabe | 1995-06-13 |
| 5281358 | Deinking agent | Hideaki Urushibata, Koji Hamaguchi, Yoshitaka Miyauchi | 1994-01-25 |
| 5120397 | Deinking agent | Hideaki Urushibata, Koji Hamaguchi, Yoshitaka Miyauchi | 1992-06-09 |
| 5100574 | Deinking agent | Hideaki Urushibata, Yoshitaka Miyauchi, Koji Hamaguchi | 1992-03-31 |
| 4789381 | Fiber treating process and composition used therefor | Shigeki Oshiyama, Koji Kishimoto, Takeshi Hirota, Shigetoshi Suzue, Kiyoaki Yoshikawa +1 more | 1988-12-06 |