Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12066593 | (Meth)acrylate compound | Kei Tagami, Terunobu Saitoh, Akihito Saitoh | 2024-08-20 |
| 12045006 | Electrophotographic photosensitive member | Shuhei Iwasaki, Tomohito Ishida, Nobuhiro Nakamura, Hiroyuki Watanabe, Tatsuya Yamaai +2 more | 2024-07-23 |
| 11782353 | Method for producing electrophotographic photosensitive member | Nobuhiro Nakamura, Tomohito Ishida, Shuhei Iwasaki, Hiroyuki Watanabe, Tatsuya Yamaai +2 more | 2023-10-10 |
| 11392074 | Electrophotographic photosensitive member having outer surface with first and second structure groups, the first structure group having a smaller appearance period and a lower height than the second structure group | Tomohito Ishida, Nobuhiro Nakamura, Shuhei Iwasaki, Hiroyuki Watanabe, Tatsuya Yamaai +2 more | 2022-07-19 |
| 11163241 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Jumpei Kuno, Shoma Hinata | 2021-11-02 |
| 11150566 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Shuhei Iwasaki, Akira Sakakibara, Jumpei Kuno, Kohei Makisumi | 2021-10-19 |
| 11086241 | Electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus | Jumpei Kuno, Akira Sakakibara, Shuhei Iwasaki, Kohei Makisumi | 2021-08-10 |
| 10942462 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Akira Sakakibara, Jumpei Kuno, Shuhei Iwasaki, Kohei Makisumi | 2021-03-09 |
| 10831117 | Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge | Akira Sakakibara, Jumpei Kuno, Shuhei Iwasaki, Kohei Makisumi | 2020-11-10 |
| 10416581 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Tsutomu Nishida, Shoma Hinata, Tatsuya Yamaai, Akira Sakakibara, Daisuke Miura | 2019-09-17 |
| 10209637 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Tsutomu Nishida, Akira Sakakibara, Daisuke Miura, Shoma Hinata, Tatsuya Yamaai +1 more | 2019-02-19 |
| 9864284 | Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Masataka Kawahara, Hirotoshi Uesugi, Akihiro Maruyama, Hirofumi Kumoi, Masato Tanaka +6 more | 2018-01-09 |
| 9857704 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Hiroyuki Tomono, Takashi Anezaki, Daisuke Miura, Harunobu Ogaki | 2018-01-02 |
| 9851646 | Electrophotographic apparatus and process cartridge | Hiroyuki Tomono, Daisuke Miura, Takashi Anezaki, Harunobu Ogaki | 2017-12-26 |
| 9778581 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Takashi Anezaki, Daisuke Miura, Hirofumi Kumoi | 2017-10-03 |
| 9772569 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Daisuke Tanaka, Kazumichi Sugiyama, Takeshi Murakami, Daisuke Kawaguchi | 2017-09-26 |
| 9753385 | Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Daisuke Miura, Shoma Hinata, Hiroyuki Tomono, Takashi Anezaki, Tatsuya Yamaai +6 more | 2017-09-05 |
| 9665020 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Daisuke Miura, Takashi Anezaki, Hirofumi Kumoi | 2017-05-30 |
| 9535346 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Michiyo Sekiya, Nobuhiro Nakamura | 2017-01-03 |
| 9523929 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Nobuhiro Nakamura, Atsushi Fujii, Michiyo Sekiya | 2016-12-20 |
| 9494880 | Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kazunori Noguchi, Daisuke Tanaka, Kazumichi Sugiyama, Michiyo Sekiya, Kunihiko Sekido +3 more | 2016-11-15 |
| 9395687 | Electrophotographic apparatus and process cartridge | Hiroyuki Tomono, Daisuke Miura, Takashi Anezaki, Harunobu Ogaki | 2016-07-19 |
| 9383663 | Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Michiyo Sekiya, Kunihiko Sekido, Atsushi Okuda, Nobuhiro Nakamura, Kazunori Noguchi +3 more | 2016-07-05 |
| 9141008 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and imide compound | Kunihiko Sekido, Nobuhiro Nakamura, Atsushi Okuda, Michiyo Sekiya | 2015-09-22 |
| 9069267 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Kenichi Kaku, Michiyo Sekiya, Kunihiko Sekido, Atsushi Okuda, Nobuhiro Nakamura +2 more | 2015-06-30 |