Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5178930 | Thermal transfer recording medium | Kouichi Sakai, Keizou Takahashi, Hiroshi Shibano | 1993-01-12 |
| 4988663 | Heat sensitive paper | Norihiko Nakashima | 1991-01-29 |
| 4985390 | Thermosensitive recording medium | Norihiko Nakashima, Yoshiji Kanoh, Atsushi Suzuki | 1991-01-15 |