Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8975212 | Phenolsulfonic acid aryl ester derivative, and heat-sensitive recording material using same | Mai Higuchi, Yoshimune Aosaki, Keiichiro Inada, Mamoru Suga, Yoshimi Midorikawa +1 more | 2015-03-10 |
| 8871678 | Thermosensitive recording medium | Yukiko Satou, Takurou Inoue | 2014-10-28 |
| 8673812 | Thermosensitive recording medium | Yasuaki Matsumori, Yoshimi Midorikawa, Yukiko Satou | 2014-03-18 |
| 8470735 | Coating solution for heat-sensitive color-developing layer, and heat-sensitive recording material | Yoshimune Aosaki, Mai Kaneko, Yukiko Sato | 2013-06-25 |