Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362571 | Method for refining sugar solutions | Yoshikatsu Ikari, Shiyoichiro Yokoyama, Keisuke Katoh, Toshio Kaga | 1982-12-07 |
| 4216084 | Method for treating waste water containing organic contaminants utilizing a magnesia adsorbent | Yoshikatsu Ikari, Shoichiro Yokoyama, Tsuneo Ohkuma | 1980-08-05 |