Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341403 | Fluoran compounds, process for preparation thereof, and recording sheets using same | Akira Igarashi, Kozo Sato | 1982-07-27 |
KI
Ken Iwakura
Overall (1982): #48,962 of 81,411Top 65%
1
Patents 1982