Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12353164 | Electrophotographic apparatus | Akihiro Maruyama, Kenichi Kaku, Shuhei Iwasaki, Kohei Makisumi, Michiyo Sekiya +4 more | 2025-07-08 |
| 12326689 | Electrophotographic apparatus | Kenichi Kaku, Akihiro Maruyama, Shuhei Iwasaki, Kaname Watariguchi, Michiyo Sekiya +2 more | 2025-06-10 |
| 12326688 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Kaname Watariguchi, Kenichi Kaku, Shuhei Iwasaki, Akihiro Maruyama | 2025-06-10 |
| 12153370 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Tomohito Ishida, Shuntaro Watanabe, Nobuhiro Nakamura, Hiroyuki Watanabe, MASATADA HIROTA | 2024-11-26 |
| 12153376 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Shuntaro Watanabe, Tomohito Ishida, Nobuhiro Nakamura, Hiroyuki Watanabe, MASATADA HIROTA | 2024-11-26 |
| 12045006 | Electrophotographic photosensitive member | Shuhei Iwasaki, Tomohito Ishida, Nobuhiro Nakamura, Hiroyuki Watanabe, Yuka Ishiduka +2 more | 2024-07-23 |
| 11947275 | Electrophotographic apparatus | Shuhei Iwasaki, Kaname Watariguchi, Akihiro Maruyama, Kenichi Kaku, Michiyo Sekiya +3 more | 2024-04-02 |
| 11782353 | Method for producing electrophotographic photosensitive member | Nobuhiro Nakamura, Tomohito Ishida, Shuhei Iwasaki, Hiroyuki Watanabe, Yuka Ishiduka +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, Yuka Ishiduka +2 more | 2022-07-19 |
| 10983449 | Method for manufacturing electrophotographic photoconductor | Akihiro Maruyama, Kazuko Araki, Daisuke Miura, Hiroto Hirayama, Shinobu Iijima +5 more | 2021-04-20 |
| 10663913 | Process cartridge and electrophotographic apparatus | Kazunori Noguchi, Shuhei Iwasaki, Akira Sakakibara, Daisuke Miura, Harunobu Ogaki +2 more | 2020-05-26 |
| 10545453 | Process cartridge and electrophotographic apparatus | Shuhei Iwasaki, Kazunori Noguchi, Harunobu Ogaki, Daisuke Miura, Akira Sakakibara +2 more | 2020-01-28 |
| 10452021 | Process cartridge and electrophotographic image forming apparatus | Daisuke Miura, Shuhei Iwasaki, Akira Sakakibara, Kazunori Noguchi, Harunobu Ogaki +2 more | 2019-10-22 |
| 10416581 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Yota Ito, Tsutomu Nishida, Shoma Hinata, Akira Sakakibara, Daisuke Miura | 2019-09-17 |
| 10209637 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Tsutomu Nishida, Akira Sakakibara, Daisuke Miura, Yota Ito, Shoma Hinata +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 |
| 9753385 | Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Yota Ito, Daisuke Miura, Shoma Hinata, Hiroyuki Tomono, Takashi Anezaki +6 more | 2017-09-05 |
| 9581920 | Coating film-removing method for cylindrical substrate and manufacturing method for electrophotographic photosensitive member | Nobuhiro Nakamura, Kazuko Sakuma, Takahisa Taniguchi, Atsushi Fujii, Akihiro Maruyama +4 more | 2017-02-28 |