Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7611631 | Indium adsorbent and indium fractioning method | Akifusai Ohnishi, Nobuaki Fujiwara, Hideki Doi, Hiroshi Tsubota, Toshiaki Muratani +3 more | 2009-11-03 |
| 7264733 | Method for treating heavy-metal-containing wastewater using sulfidizing agent | Akifusa Ohnishi | 2007-09-04 |