Issued Patents All Time
Showing 76–80 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4433156 | Process for preparing fluoran derivatives | Sadao Ishige, Kozo Sato | 1984-02-21 |
| 4411699 | Desensitizer compositions | Nobuyoshi Sekikawa, Akio Miyamoto | 1983-10-25 |
| 4411700 | Desensitizer compositions | Nobuyoshi Sekikawa, Akio Miyamoto, Masato Satomura | 1983-10-25 |
| 4390616 | Image recording members | Kozo Sato, Akira Igarashi | 1983-06-28 |
| 4341403 | Fluoran compounds, process for preparation thereof, and recording sheets using same | Akira Igarashi, Kozo Sato | 1982-07-27 |