Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973983 | Thermal transfer recording apparatus and inked film cassette therefor | Junichi Yamamoto, Yasukuni Omata, Yoshio Tohyama, Iwao Fujii | 1990-11-27 |
| 4893134 | Thermal transfer recording apparatus | Junichi Yamamoto, Kouji Shibuya, Yasukuni Omata | 1990-01-09 |
| 4806949 | Multitone thermal transfer recording method and apparatus | Iwao Fujii | 1989-02-21 |