Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8167991 | Trisazo compound, ink composition, recording method, and colored article | Takahiko Matsui, Takashi Yoshimoto, Ryoutarou Morita, Koji Hirota | 2012-05-01 |
| 7740696 | Water-soluble azo compound, ink composition, and colored article | Shinjiro Takahashi, Yasuo Shirasaki | 2010-06-22 |
| 7507283 | Aqueous dispersion, ink composition and inkjet recording method using same | Yoshiki Akatani, Katsunori Fujii, Yuji Suzuki, Mariko Umeda, Tadahiko Tabe | 2009-03-24 |