Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5385985 | Cyclic urea derivative | Tsuboniwa Noriyuki, Urano Satoshi, Umemoto Hirotoshi, Sakamoto Hiroyuki, Tsuchiya Yasuyuki | 1995-01-31 |
| 5030726 | Polymerizable cyclic urea derivatives | Tsuboniwa Noriyuki, Urano Satoshi, Umemoto Hirotoshi, Sakamoto Hiroyuki, Tsuchiya Yasuyuki | 1991-07-09 |