Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661100 | Urea (thiourea) derivative and thermal recording sheet using the same | Toshiaki Minami, Tomoaki Nagai, Kaoru Hamada, Akio Sekine, Ryoichi Kinishi | 1997-08-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5661100 | Urea (thiourea) derivative and thermal recording sheet using the same | Toshiaki Minami, Tomoaki Nagai, Kaoru Hamada, Akio Sekine, Ryoichi Kinishi | 1997-08-26 |