Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865648 | Reversible heat sensitive recording composition | Tsutomu Kito, Norikazu Nakasuji, Takashi Kataoka, Yutaka Shibahashi | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865648 | Reversible heat sensitive recording composition | Tsutomu Kito, Norikazu Nakasuji, Takashi Kataoka, Yutaka Shibahashi | 1989-09-12 |