Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5137864 | Thermosensitive recording material | Hiroshi Yaguchi, Hisashi Sakai, Kanjiro Kawasaki | 1992-08-11 |
| 4916111 | Thermosensitive recording material | Hiroshi Yaguchi, Hisashi Sakai, Kanijiro Kawasaki | 1990-04-10 |