Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5229350 | Reversible heat-senitive recording material and magnetic card using the recording material | Yoshihiro Hieda, Megumi Ashida, Yoshinori Yoshida, Yasushi Inoue | 1993-07-20 |