Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9073376 | Phenolsulfonic acid aryl ester, developing agent, and heat-sensitive recording material | Akihito Ogino, Yoshimi Midorikawa, Yukiko Sato, Keiichiro Inada, Mamoru Suga | 2015-07-07 |
| 8975212 | Phenolsulfonic acid aryl ester derivative, and heat-sensitive recording material using same | Yoshimune Aosaki, Keiichiro Inada, Mamoru Suga, Katsuto Ohse, Yoshimi Midorikawa +1 more | 2015-03-10 |