Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4962386 | Color image recording system using multi-layer, heat-sensitive recording material | Kunio Hakkaku | 1990-10-09 |
| 4857941 | Multicolor thermal recording device | — | 1989-08-15 |
| 4540456 | Film handling method | Kaoru Uchiyama | 1985-09-10 |