Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5055308 | Acid urease preparations for alcoholic beverages | Harumasa Iizuka, Seiichi Kodama, Hideo Yada | 1991-10-08 |
| 4958017 | Purification of inosine from guanosine | Yoshinori Sakamoto, Harumasa Iizuka | 1990-09-18 |