Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5395533 | Method of removing particles having a size less than 10 .mu.m from an aqueous solution | Qingquan Su, Hiroshi Sasaki | 1995-03-07 |
| 4537600 | Method for the preparation of pitch-in-water slurry | Hiroto Tajima, Hironori Kawakami, Zenichi Mashino, Osamu Ohzeki | 1985-08-27 |