Issued Patents All Time
Showing 1–25 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12215065 | Methods for producing arylamine compound and electrophotographic photosensitive member | Naohiro Takahashi, Takuya Kosukegawa | 2025-02-04 |
| 11237494 | Electrophotographic photosensitive member, process cartridge and electrophotographic image forming apparatus | Haruki Mori, Shubun Kujirai | 2022-02-01 |
| 11204560 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Ryoichi Tokimitsu, Haruki Mori, Shubun Kujirai | 2021-12-21 |
| 11169453 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Eileen Takeuchi, Shubun Kujirai, Haruki Mori | 2021-11-09 |
| 11067910 | Electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus | Haruki Mori, Shubun Kujirai | 2021-07-20 |
| 11029616 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Shubun Kujirai, Haruki Mori | 2021-06-08 |
| 11029615 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Takahiro Mitsui, Haruki Mori, Shubun Kujirai | 2021-06-08 |
| 10976677 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Ryoichi Tokimitsu, Haruki Mori, Shubun Kujirai | 2021-04-13 |
| 10969703 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Eileen Takeuchi, Shubun Kujirai, Haruki Mori | 2021-04-06 |
| 10831118 | Electrophotographic photosensitive member and method for producing electrophotographic photosensitive member | Hiroyuki Watanabe, Tsutomu Nishida, Yuka Ishiduka, Atsushi Okuda, Hideharu Shimozawa +3 more | 2020-11-10 |
| 10768539 | Electrophotographic photosensitive member, production method therefor, process cartridge, and electrophotographic image-forming apparatus | Haruki Mori, Masaki Nonaka, Shinji Takagi | 2020-09-08 |
| 10761442 | Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method of producing electrophotographic photosensitive member | Haruki Mori, Shubun Kujirai, Shinji Takagi, Isao Kawata, Yuto Ito +1 more | 2020-09-01 |
| 10670979 | Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method of manufacturing electrophotographic photosensitive member | Haruki Mori, Shinji Takagi, Koichi Suzuki, Ryuji Higashi, Isao Kawata +3 more | 2020-06-02 |
| 10558132 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Yuka Ishiduka, Tsutomu Nishida, Atsushi Okuda, Hiroyuki Watanabe, Hideharu Shimozawa +6 more | 2020-02-11 |
| 10558133 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Nobuhiro Nakamura, Tsutomu Nishida, Atsushi Okuda, Yuka Ishiduka, Hiroyuki Watanabe +3 more | 2020-02-11 |
| 10488769 | Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge each including the electrophotographic photosensitive member | Shinji Takagi, Haruki Mori, Masaki Nonaka, Shubun Kujirai | 2019-11-26 |
| 10488771 | Electrophotographic photosensitive member, method for producing the same, process cartridge, and electrophotographic apparatus | Haruki Mori, Masaki Nonaka, Shinji Takagi | 2019-11-26 |
| 10451984 | Production method of electrophotographic photosensitive member, electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Haruki Mori, Masaki Nonaka, Shinji Takagi | 2019-10-22 |
| 10310395 | Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge | Haruki Mori, Shinji Takagi, Masaki Nonaka, Ryoichi Tokimitsu | 2019-06-04 |
| 10120331 | Electrophotographic photosensitive member, process for producing electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge including electrophotographic photosensitive member | Shinji Takagi, Masaki Nonaka, Haruki Mori | 2018-11-06 |
| 10067431 | Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Shinji Takagi, Masaki Nonaka, Haruki Mori, Ryoichi Tokimitsu | 2018-09-04 |
| 10042272 | Electrophotographic photosensitive member, method for producing the same, process cartridge and electrophotographic apparatus | Haruki Mori, Shinji Takagi, Masaki Nonaka | 2018-08-07 |
| 9946175 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and condensed polycyclic aromatic compound | Shinji Takagi, Yuzo Tokunaga, Masaki Nonaka, Ryoichi Tokimitsu | 2018-04-17 |
| 9829810 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method for producing electrophotographic photosensitive member | Masaki Nonaka, Ryoichi Tokimitsu, Shinji Takagi, Haruki Mori | 2017-11-28 |
| 9762806 | Imaging apparatus having variable diaphragm | — | 2017-09-12 |