Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10416588 | Charging member, process cartridge, electrophotographic image forming apparatus, and method for manufacturing charging member | Hiroki Masu, Kazuhiro Yamauchi, Masaki Tsunoda, Takumi Furukawa | 2019-09-17 |
| 10280148 | Electroconductive member for electrophotography and quaternary ammonium salt | Satoru Nishioka, Satoru Yamada, Kazuhiro Yamauchi | 2019-05-07 |