Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607894 | Heat-sensitive recording material | Mitsuo Akutsu, Nobuhide Tominaga, Keiji Oya, Kouichi Shigeno | 1997-03-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607894 | Heat-sensitive recording material | Mitsuo Akutsu, Nobuhide Tominaga, Keiji Oya, Kouichi Shigeno | 1997-03-04 |