Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4550329 | Heat sensitive record material | Michihiro Gonda, Susumu Suzuka, Mikiko Kanasugi, Yutaka Sato, Kikuo Otomo | 1985-10-29 |
| 4539577 | Heat sensitive record material | Kazuo Kaneko, Michihiro Gonda, Susumu Suzuka | 1985-09-03 |