Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10274854 | Toner for developing electrostatic charge image and method for preparing the same | Masahide Yamada, Keiichi Ishikawa, Kenichi Miyamoto | 2019-04-30 |
| 10234780 | Toner for developing electrostatic charge image and method for preparing the same | Keiichi Ishikawa, Kenichi Miyamoto, Masahide Yamada | 2019-03-19 |
| 10168632 | Toner for electrostatic use | Masahide Yamada, Rie Sakurai | 2019-01-01 |