Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6274646 | Ink composition capable of realizing print with improved fixation | Kazuaki Watanabe, Kiyohiko Takemoto, Shuichi Yamaguchi, Naoki Tanaka, Minoru Waki +1 more | 2001-08-14 |
| 6083315 | Agglomerated pigment, process for producing the same, aqueous pigment dispersion, and water-based ink composition | Hiroto Nakamura, Hidehiko Komatsu, Michinari Tsukahara, Hideo Yamazaki, Minoru Waki +1 more | 2000-07-04 |