Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227246 | Ink sheet usable in thermal recording | Hiroo Ueda, Kohei Kiyota, Koji Uchiyama | 1993-07-13 |
| 4935306 | Thermal imprint ink sheet | Keita Ohtsuka, Hiroo Ueda | 1990-06-19 |
HS
Hiroshi Sasao
Overall (All Time): #2,303,150 of 4,157,543Top 60%
2
Patents All Time