Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12181836 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Yasuo Kadokura, Yosuke Tsurumi, Takuro Watanabe, Kazutsuna SASAKI | 2024-12-31 |
| 12174583 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Takuro Watanabe, Kazutsuna SASAKI, Yosuke Tsurumi, Yasuo Kadokura | 2024-12-24 |
| 12169390 | Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method | Yasuo Kadokura, Takuro Watanabe, Kazutsuna SASAKI, Yosuke Tsurumi | 2024-12-17 |
| 12153377 | Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method | Kazutsuna SASAKI, Yosuke Tsurumi, Yasuo Kadokura, Takuro Watanabe | 2024-11-26 |
| 12019395 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Yosuke Tsurumi, Sakiko Takeuchi | 2024-06-25 |
| 11960243 | Electrostatic image developer, process cartridge, image forming apparatus, and image forming method | Kazutsuna SASAKI, Yasuo Kadokura, Takuro Watanabe | 2024-04-16 |
| 11556071 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Takuro Watanabe, Kazutsuna SASAKI, Yosuke Tsurumi, Yasuo Kadokura | 2023-01-17 |