Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579828 | Multi chromatic thermally sensitive recording medium | Kaoru Hamada, Tadakazu Fukuchi, Yoshihide Kimura | 2003-06-17 |
| 6551961 | Thermal recording material | Naomi Sumikawa, Kaoru Hamada, Yoshihide Kimura | 2003-04-22 |