Issued Patents All Time
Showing 1–6 of 6 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, Mai Higuchi | 2015-07-07 |
| 8975212 | Phenolsulfonic acid aryl ester derivative, and heat-sensitive recording material using same | Mai Higuchi, Yoshimune Aosaki, Keiichiro Inada, Katsuto Ohse, Yoshimi Midorikawa +1 more | 2015-03-10 |
| 8492308 | Thermosensitive recording medium | Tatsuyuki Kurihara, Tatsuo Nagai, Yoshimi Midorikawa, Akihito Ogino, Yoshimune Aosaki | 2013-07-23 |
| 8202821 | Thermal recording material | Junpei Natsui, Hiroshi Kohama, Yoshimune Aosaki | 2012-06-19 |
| 8062993 | Developer mixture for thermal recording materials and thermal recording materials | Nanako Okamoto, Aya Kato, Takashi Date, Yoshihide Kimura | 2011-11-22 |
| 7141359 | Developers for thermal recording materials and thermal recording materials | Kaori Suzuki, Yoshihide Kimura, Naomi Sumikawa | 2006-11-28 |