Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6548662 | Method for purification of saccharide | Shigemitsu Ohsaki, Masao Tamura | 2003-04-15 |
| 5130013 | Process for producing a liquefied coal oil and a catalyst for the process | Yoichi Kageyama, Iwao Yamamoto, Jun Imai | 1992-07-14 |