Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4712930 | Gradation thermal printhead and gradation heat transfer printing apparatus | Susumu Maruno, Michinori Nagahiro, Seiko Minamide | 1987-12-15 |
| 4321287 | Method of producing thermoluminescence dosimeter element | Seiko Minamide, Makoto Okuda, Tadahiro Fukui | 1982-03-23 |