Issued Patents 2017
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9715186 | Electrostatic image developing toner | Kouji Sugama, Yohei Ohno, Noboru Ueda | 2017-07-25 |
| 9568848 | Electrostatic image developing toner | Hiroshi Nagasawa, Noboru Ueda, Kouji Sugama, Anju Hori | 2017-02-14 |