Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839334 | Heat sensitive recording sheet | Toshiyuki Abe, Katsumasa Kikkawa, Hideyuki Sensui, Mikiko Kanasugi | 1989-06-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839334 | Heat sensitive recording sheet | Toshiyuki Abe, Katsumasa Kikkawa, Hideyuki Sensui, Mikiko Kanasugi | 1989-06-13 |