Issued Patents All Time
Showing 25 most recent of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12353164 | Electrophotographic apparatus | Kenichi Kaku, Shuhei Iwasaki, Kohei Makisumi, Michiyo Sekiya, Kaname Watariguchi +4 more | 2025-07-08 |
| 12326689 | Electrophotographic apparatus | Kenichi Kaku, Shuhei Iwasaki, Tatsuya Yamaai, Kaname Watariguchi, Michiyo Sekiya +2 more | 2025-06-10 |
| 12326688 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Tatsuya Yamaai, Kaname Watariguchi, Kenichi Kaku, Shuhei Iwasaki | 2025-06-10 |
| 11947275 | Electrophotographic apparatus | Shuhei Iwasaki, Kaname Watariguchi, Kenichi Kaku, Michiyo Sekiya, Kohei Makisumi +3 more | 2024-04-02 |
| 11799405 | Control device for AC rotary machine and control method for AC rotary machine | Yosuke Hachiya, Masato Ito, Kunihiro Kawahara | 2023-10-24 |
| 11500301 | Electrophotographic photosensitive member, process cartridge, and electrophotographic image forming apparatus | Hideharu Shimozawa, Kenichi Kaku, Tsutomu Nishida, Kazunori Noguchi, Kaname Watariguchi +2 more | 2022-11-15 |
| 11493853 | Electrophotographic photosensitive member, process cartridge and electrophotographic image forming apparatus | Hideharu Shimozawa, Kenichi Kaku, Tsutomu Nishida, Kazunori Noguchi, Kaname Watariguchi +2 more | 2022-11-08 |
| 10983449 | Method for manufacturing electrophotographic photoconductor | Kazuko Araki, Daisuke Miura, Tatsuya Yamaai, Hiroto Hirayama, Shinobu Iijima +5 more | 2021-04-20 |
| 10656542 | Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method for producing electrophotographic photosensitive member | Masashi Nishi, Kunihiko Sekido, Yuka Ishiduka | 2020-05-19 |
| 10164384 | Coaxial connector | Takashi Sawai | 2018-12-25 |
| 10114301 | Electrophotographic photoreceptor, process cartridge, and electrophotographic apparatus | Atsushi Okuda, Yuka Ishiduka, Atsushi Fujii, Kazunori Noguchi, Nobuhiro Nakamura +3 more | 2018-10-30 |
| 9864284 | Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Masataka Kawahara, Hirotoshi Uesugi, Hirofumi Kumoi, Masato Tanaka, Hiroyuki Tomono +6 more | 2018-01-09 |
| 9817326 | Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Yuki Yamamoto, Atsushi Fujii, Atsushi Okuda, Yuka Ishiduka, Kazunori Noguchi +2 more | 2017-11-14 |
| 9811008 | Image forming method, process cartridge, and electrophotographic apparatus | Kazunori Noguchi, Yuka Ishiduka, Yuki Yamamoto, Atsushi Okuda, Atsushi Fujii +2 more | 2017-11-07 |
| 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 |
| 9726992 | Electrophotographic photosensitive member, manufacturing method of electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Kazuko Sakuma, Yuka Ishiduka, Atsushi Okuda, Kazunori Noguchi, Yuki Yamamoto +2 more | 2017-08-08 |
| 9651879 | Electrophotographic photosensitive member, method of producing the electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Harunobu Ogaki, Yuki Yamamoto | 2017-05-16 |
| 9599917 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Atsushi Okuda, Nobuhiro Nakamura, Kazunori Noguchi, Atsushi Fujii, Yuka Ishiduka +3 more | 2017-03-21 |
| 9581920 | Coating film-removing method for cylindrical substrate and manufacturing method for electrophotographic photosensitive member | Nobuhiro Nakamura, Kazuko Sakuma, Takahisa Taniguchi, Tatsuya Yamaai, Atsushi Fujii +4 more | 2017-02-28 |
| 9564687 | Directive antenna apparatus mounted on a board | — | 2017-02-07 |
| 9507283 | Electrophotographic photosensitive member, method of producing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus | Harunobu Ogaki, Yuki Yamamoto | 2016-11-29 |
| 9436107 | Method of producing electrophotographic photosensitive member, and emulsion for a charge transporting layer | Takeshi Murakami, Hiroki Uematsu, Harunobu Ogaki, Atsushi Okuda | 2016-09-06 |
| 9280071 | Method of producing electrophotographic photosensitive member, and emulsion for a charge transporting layer | Atsushi Okuda, Takeshi Murakami, Hiroki Uematsu, Harunobu Ogaki | 2016-03-08 |
| 9274442 | Electrophotographic image forming apparatus having charge transport layer with matrix-domain structure and charging member having concavity and protrusion | Taichi Sato, Tomohito Taniguchi, Noboru Miyagawa, Takehiko Aoyama, Atsushi Uematsu +6 more | 2016-03-01 |
| 9235144 | Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus | Yuki Yamamoto, Harunobu Ogaki | 2016-01-12 |