Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868151 | Heat-sensitive recording material | Toshimi Satake, Tomoaki Nagai, Fumio Fujimura | 1989-09-19 |
| 4853361 | Heat- and light-sensitive recording material | Toshimi Satake, Tomoaki Nagai, Fumio Fujimura | 1989-08-01 |
| 4853362 | Heat-sensitive recording sheet | Toshimi Satake, Tadakazu Fukuchi, Tomoaki Nagai, Toshio Kaneko, Fumio Fujimura | 1989-08-01 |
| 4853363 | Heat-sensitive recording material | Toshimi Satake, Tomoaki Nagai, Fumio Fujimura | 1989-08-01 |
| 4849396 | Heat-sensitive recording material | Toshimi Satake, Tomoaki Nagai, Fumio Fujimura | 1989-07-18 |