Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11599034 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Naoto Kameyama, Eileen Takeuchi | 2023-03-07 |
| 11204560 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Koichi Nakata, Haruki Mori, Shubun Kujirai | 2021-12-21 |
| 10976677 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Koichi Nakata, Haruki Mori, Shubun Kujirai | 2021-04-13 |
| 10365569 | Electrophotographic photosensitive member, production method of electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Masaki Nonaka, Haruki Mori, Takahiro Mitsui | 2019-07-30 |
| 10310395 | Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge | Koichi Nakata, Haruki Mori, Shinji Takagi, Masaki Nonaka | 2019-06-04 |
| 10067431 | Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Shinji Takagi, Masaki Nonaka, Haruki Mori, Koichi Nakata | 2018-09-04 |
| 9983490 | Electrophotographic apparatus | Tsuyoshi Shimada, Mai Murakami, Kan Tanabe, Wataru Kitamura, Haruhiko Mitsuda | 2018-05-29 |
| 9946175 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and condensed polycyclic aromatic compound | Koichi Nakata, Shinji Takagi, Yuzo Tokunaga, Masaki Nonaka | 2018-04-17 |
| 9829810 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method for producing electrophotographic photosensitive member | Masaki Nonaka, Shinji Takagi, Koichi Nakata, Haruki Mori | 2017-11-28 |
| 9811012 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus and process for producing electrophotographic photosensitive member | Mai Murakami, Wataru Kitamura | 2017-11-07 |
| 9804512 | Electrophotographic photosensitive member, method for producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Yuka Ishiduka, Wataru Kitamura, Mai Murakami, Kan Tanabe | 2017-10-31 |
| 9778582 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus incorporating an improved undercoat layer | Wataru Kitamura, Yuka Ishiduka, Mai Murakami, Kenichi Kaku | 2017-10-03 |
| 9594318 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Koichi Nakata, Shinji Takagi, Masaki Nonaka, Haruki Mori | 2017-03-14 |
| 9557664 | Electrophotographic photosensitive member, method for manufacturing the same, process cartridge, and electrophotographic apparatus | Yuka Ishiduka, Wataru Kitamura, Mai Murakami, Kan Tanabe | 2017-01-31 |
| 9411252 | Electrophotographic photosensitive member, method of producing the same, process cartridge, and electrophotographic apparatus | Mai Murakami, Kenichi Kaku, Wataru Kitamura, Yuka Ishiduka, Hideaki Nagasaka +1 more | 2016-08-09 |
| 9335646 | Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kenichi Kaku, Wataru Kitamura, Yuka Ishiduka, Mai Murakami, Hideaki Nagasaka +1 more | 2016-05-10 |
| 9291922 | Method for producing electrophotographic photosensitive member | Mai Murakami, Yuka Ishiduka, Wataru Kitamura, Masaki Nonaka | 2016-03-22 |
| 9217716 | Method for testing charge generation layer and process for manufacturing electrophotographic photoreceptors on large scale | Wataru Kitamura, Masaki Nonaka, Mai Murakami | 2015-12-22 |