Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885270 | Novel thermosensitive recording sheet | Shingo Araki, Masaji Inagaki, Yumi Kudoh, Teijiro Kitao | 1989-12-05 |
| 4843058 | Thermosensitive recording sheet | Shingo Araki, Masaji Inagaki, Yumi Kudoh, Teijiro Kitao | 1989-06-27 |