Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703005 | Thermosensitive coloring composition and reversible thermosensitive recording medium using same | Masafumi Torii, Masaru Shimada, Kyoji Tsutsui | 1997-12-30 |
| 5622909 | Thermosensitive recording materials | Yasutomo Mori, Keishi Taniguchi, Takeshi Yuyama | 1997-04-22 |