Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12399441 | Electrophotographic photoconductor and image-forming apparatus including the same | — | 2025-08-26 |
| 9507282 | Electrophotographic photoreceptor and image forming apparatus provided with the same | Kotaro Fukushima, Masaki Hashimoto, Koichi Toriyama, Takahiro Kurauchi, Rikiya Matsuo +2 more | 2016-11-29 |
| 9042786 | Rotation driving force transmitting member, photoreceptor drum, process cartridge, and image forming apparatus | Hiroshi Sugimura, Akihiro Kondoh, Mami Adachi | 2015-05-26 |
| 8798505 | Rotation driving force transmitting member, photoreceptor drum, process cartridge, and image forming apparatus | Hiroshi Sugimura, Akihiro Kondoh, Mami Adachi | 2014-08-05 |
| 8546049 | Electrophotographic photoconductor and image forming apparatus using the same | Akihiro Kondoh, Takatsugu Obata | 2013-10-01 |
| 8354211 | Electrophotographic photoreceptor, image forming apparatus and process cartridge | Kotaro Fukushima, Takatsugu Obata, Akihiro Kondoh | 2013-01-15 |
| 7985519 | Aromatic polycarbonate, electrophotographic photoreceptor, and image forming apparatus | Akihiro Kondoh, Hiroshi Sugimura, Takatsugu Obata | 2011-07-26 |
| 7767374 | Method for producing electrophotographic photoreceptor having sublimable antioxidant in coating liquid | Rikiya Matsuo | 2010-08-03 |
| 7588871 | Electrophotographic photoreceptor and image forming apparatus provided with the same | Kotaro Fukushima, Takatsugu Obata | 2009-09-15 |