Issued Patents All Time
Showing 1–25 of 98 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339597 | Electro-conductive member, process cartridge, and electrophotographic image forming apparatus | Shota Kaneko, Yuichi Kikuchi, Kenji Takashima, Masahiro Kurachi, Satoru Nishioka +1 more | 2025-06-24 |
| 12259674 | Electroconductive member, process cartridge, and electrophotographic image formation device | Kenji Takashima, Satoru Nishioka, Yuichi Kikuchi, Takumi Furukawa, Masaki Yamada | 2025-03-25 |
| 12098137 | Method for manufacturing cyclopropane compound | Junichi Tomokawa | 2024-09-24 |
| 11971683 | Electrophotographic electro-conductive member, process cartridge, and electrophotographic image forming apparatus | Satoru Nishioka, Hiroaki Watanabe, Takumi Furukawa, Yasuhiro Fushimoto, Masahiro Kurachi +3 more | 2024-04-30 |
| 11834555 | Cured product, modified cured product, and curing method | Tomohiro Sugahara, Tatsuro Toda | 2023-12-05 |
| 11675282 | Electrophotographic member, process cartridge and electrophotographic apparatus | Sosuke Yamaguchi, Masaki Yamada, Satoru Nishioka, Taichi Shintou | 2023-06-13 |
| 11640122 | Electroconductive member, process cartridge, and image forming apparatus | Yuichi Kikuchi, Satoru Nishioka, Kenji Takashima, Masahiro Kurachi, Takumi Furukawa +4 more | 2023-05-02 |
| 11586121 | Electrophotographic electro-conductive member, process cartridge, and electrophotographic image forming device | Masaki Yamada, Yuichi Kikuchi, Kenji Takashima, Tetsuo Hino, Takumi Furukawa | 2023-02-21 |
| 11474442 | Electrophotographic apparatus, process cartridge, and cartridge set | Kosuke Fukudome, Tomohiro Unno, Dai Nozaki, Kozue Uratani, Yuta Komiya +2 more | 2022-10-18 |
| 11448982 | Electrophotographic apparatus, process cartridge, and cartridge set | Tsuneyoshi Tominaga, Shohei Tsuda, Shohei Kototani, Noriyoshi Umeda, Masahiro Kurachi +1 more | 2022-09-20 |
| 11449000 | Electrophotographic apparatus, process cartridge, and cartridge set | Tomohiro Unno, Kosuke Fukudome, Dai Nozaki, Kozue Uratani, Yuta Komiya +1 more | 2022-09-20 |
| 11397388 | Process for producing an electrophotographic electroconductive member | Satoru Nishioka, Masahiro Kurachi, Kenji Takashima, Yuichi Kikuchi, Kana Sato +5 more | 2022-07-26 |
| 11392050 | Process cartridge and electrophotographic apparatus | Tsutomu Nishida, Yuka Ishiduka, Kenichi Kaku, Nobuhiro Nakamura, Hiroyuki Watanabe +3 more | 2022-07-19 |
| 11385559 | Electroconductive member, process cartridge, and image forming apparatus | Yuichi Kikuchi, Satoru Nishioka, Kenji Takashima, Masahiro Kurachi, Takumi Furukawa +4 more | 2022-07-12 |
| 11378910 | Process cartridge and image forming apparatus | Takashi Mukai, Takashi Hiramatsu, Shuhei Tokiwa, Takayuki Namiki, Takumi Furukawa +1 more | 2022-07-05 |
| 11366402 | Process cartridge and electrophotographic apparatus using the same | Yuka Ishiduka, Tsutomu Nishida, Hideharu Shimozawa, Nobuhiro Nakamura, Hiroyuki Watanabe +4 more | 2022-06-21 |
| 11360426 | Electrophotographic apparatus, process cartridge, and cartridge set | Yoshitaka Suzumura, Hiroyuki Tomono, Takuya Mizuguchi, Osamu Matsushita, Shunsuke Matsushita +1 more | 2022-06-14 |
| 11360405 | Electrophotographic apparatus, process cartridge and cartridge set | Hiroyuki Tomono, Yoshitaka Suzumura, Takuya Mizuguchi, Osamu Matsushita, Masahiro Kurachi +1 more | 2022-06-14 |
| 11347156 | Electro-conductive member for electrophotography, process cartridge for electrophotography, and electrophotographic image forming apparatus | Masahiro Kurachi, Satoru Nishioka, Kenji Takashima, Yuichi Kikuchi | 2022-05-31 |
| 11340553 | Process cartridge and electrophotographic apparatus | Kaname Watariguchi, Kohei Makisumi, Fumiyuki Hiyama, Yuichi Kikuchi, Hirotaka Araki +1 more | 2022-05-24 |
| 11320756 | Electrophotographic apparatus, process cartridge, and cartridge set | Shohei Kototani, Noriyoshi Umeda, Tsuneyoshi Tominaga, Shohei Tsuda, Noboru Miyagawa | 2022-05-03 |
| 11175602 | Electroconductive member, process cartridge, and electrophotographic image forming apparatus | Satoru Nishioka, Masahiro Kurachi, Kenji Takashima, Yuichi Kikuchi, Kana Sato +5 more | 2021-11-16 |
| 11169454 | Electrophotographic electro-conductive member, process cartridge, and electrophotographic image forming apparatus | Satoru Nishioka, Hiroaki Watanabe, Takumi Furukawa, Yasuhiro Fushimoto, Masahiro Kurachi +3 more | 2021-11-09 |
| 11137716 | Process cartridge and electrophotographic apparatus | Fumiyuki Hiyama, Kaname Watariguchi, Kohei Makisumi, Yuichi Kikuchi | 2021-10-05 |
| 11112719 | Process cartridge and electrophotographic apparatus capable of suppressing lateral running while maintaining satisfactory potential function | Kohei Makisumi, Kaname Watariguchi, Fumiyuki Hiyama, Yuichi Kikuchi | 2021-09-07 |