Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8815484 | Toner including compound having bisazo skeleton | Masatake Tanaka, Masashi Hirose, Takayuki Toyoda, Yasuaki Murai, Masashi Kawamura +1 more | 2014-08-26 |
| 7981205 | Dye compound and ink containing dye compound | Yasuaki Murai, Masashi Hirose, Takeshi Miyazaki | 2011-07-19 |
| 7981207 | Dye compound and ink containing dye compound | Yasuaki Murai, Masashi Hirose, Takeshi Miyazaki | 2011-07-19 |
| 7504488 | Dye, dye production method and ink containing dye | Takayuki Toyoda, Yasuaki Murai, Masashi Hirose, Kuniaki Fujimoto, Takeshi Miyazaki | 2009-03-17 |