Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874740 | Thermosensitive recording material | Shigetoshi Hiraishi, Naomasa Koike, Mitsuru Fuchigami | 1989-10-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874740 | Thermosensitive recording material | Shigetoshi Hiraishi, Naomasa Koike, Mitsuru Fuchigami | 1989-10-17 |