Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055200 | Method of treating low-concentration turbid water | Toshiyuki Miki, Kazunori Kozu, Shintaro Hayashi | 1991-10-08 |
| 5006639 | Method of coagulating sludge | Toshiyuki Miki, Yoshihide Dairokuno, Jyun Kataoka | 1991-04-09 |