Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4396684 | Heat-sensitive recording paper causing reduced thermal head abrasion | Sadao Morishita, Fumio Okumura, Masahiro Higuchi | 1983-08-02 |
| 4320039 | Heat-sensitive recording composition with improved image stability | Sadao Morishita, Fumio Okumura, Masahiro Higuchi, Masahiro Miyauchi | 1982-03-16 |