Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10379452 | Color image forming process and color toner set | Natsuki Ito, Kouji Sugama, Kenshi Miyajima, Yohei Ohno, Hidehito HARUKI +1 more | 2019-08-13 |
| 10353309 | Electrostatic image developing toner | Kouji Sugama, Hiroshi Nagasawa, Anju Hori | 2019-07-16 |
| 10254672 | Toner for developing electrostatic charge image | Shiro Hirano | 2019-04-09 |
| 10203621 | Image forming method and toner set for developing electrostatic latent image | Kenshi Miyajima, Kouji Sugama, Natsuki Ito, Yohei Ohno, Hidehito HARUKI +1 more | 2019-02-12 |
| 10168631 | Electrostatic image developing toner and production method of electrostatic image developing toner | Hidehito HARUKI, Kouji Sugama | 2019-01-01 |