Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11535765 | Aqueous ink | Kaname Mitsuyoshi, Shimpei Nishimura | 2022-12-27 |
| 11459476 | Production method for pigment aqueous dispersion | Kaname Mitsuyoshi, Tomohiko NAGANO, Yusuke Shimizu | 2022-10-04 |
| 11242466 | Ink set for inkjet recording | Kaname Mitsuyoshi, Tomohiko NAGANO | 2022-02-08 |
| 11220611 | Water-based ink for ink-jet recording | Tomohiko NAGANO, Kaname Mitsuyoshi | 2022-01-11 |
| 9376532 | Quaternary ammonium salt compound | Kyoichi Shirota, Katsuhisa Inoue, Yasuyuki Mimura | 2016-06-28 |