Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372892 | Toner particle with amorphous polyester resin | Takahiro DANNO, Osamu Ieda, Keiichi Ishikawa, Keiji Komoto | 2025-07-29 |
| 12282294 | Toner particle with core particle and fine particles | Takahiro DANNO, Osamu Ieda | 2025-04-22 |
| 11518153 | Antifouling film equipped with protective film and method for manufacturing same | Akiko Nishio | 2022-12-06 |
| 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 |
| 9740125 | Toner for developing electrostatic charge image and method for preparing the same | Masahide Yamada, Keiichi Ishikawa, Kenichi Miyamoto | 2017-08-22 |