Issued Patents All Time
Showing 1–25 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379678 | Carrier for forming electrophotographic image, developer, image forming method, image forming apparatus, and process cartridge | Namie Suzuki, Kousuke Suzuki, Tohru Suganuma, Masashi Nagayama, Hiroyuki Kishida +2 more | 2025-08-05 |
| 12372893 | Carrier, developer, image forming method, and process cartridge | Kaede Masuko, Tohru Suganuma, Masashi Nagayama, Hiroyuki Kishida, Tomomi Suzuki +1 more | 2025-07-29 |
| 12147192 | Carrier for developing electrostatic latent image, two-component developer, image forming apparatus, process cartridge, and image forming method | Hiroyuki Kishida, Kousuke Suzuki, Tohru Suganuma, Masashi Nagayama, Kento Takeuchi +1 more | 2024-11-19 |
| 11934145 | Developing apparatus, developer for electrophotographic image formation, electrophotographic image forming method, and electrophotographic image forming apparatus | Tohru Suganuma, Masashi Nagayama, Hiroyuki Kishida, Kento Takeuchi, Kaede Masuko +3 more | 2024-03-19 |
| 11687013 | Toner for electrostatic charge image development, toner stored unit, image forming apparatus, and image forming method | Toshihiko SUGIYAMA, Yuka Mizoguchi, Hideki Sugiura | 2023-06-27 |
| 11635711 | Image forming method and image forming apparatus | Kazumi Suzuki, Toyoshi Sawada, Akira Azami | 2023-04-25 |
| 11155936 | Highly functional polyethylene fiber, and dyed highly functional polyethylene fiber | Yasunori Fukushima, Shoji Oda, Akira Hamano | 2021-10-26 |
| 11061343 | Toner, toner stored unit, and image forming apparatus | Yuka Mizoguchi, Ryota Inoue, Hiroshi Yamashita, Daichi Hisakuni, Tomomi Harashima | 2021-07-13 |
| 10895816 | Image forming apparatus and toner set | Hiroshi Yamashita, Ryota Inoue, Yuka Mizoguchi, Daichi Hisakuni, Tomomi Harashima | 2021-01-19 |
| 10712681 | Toner, toner storage unit, image forming apparatus, and method for manufacturing toner | Atsushi Yamamoto, Taichi Nemoto, Junichi Watanabe, Taro Araki, Takeshi Shibuya | 2020-07-14 |
| 10279489 | Full metal cutter knife | Toshiyuki Watanabe, Yosuke Takashima | 2019-05-07 |
| D847605 | Cutter knife | Yosuke Takashima | 2019-05-07 |
| 10268131 | Cleaner for cleaning droplet ejector, and particulate material production apparatus using the cleaner | Yasutada Shitara, Shinji Aoki, Yoshihiro Norikane, Andrew Mwaniki Mulwa, Masaru Ohgaki +2 more | 2019-04-23 |
| 10126678 | Toner, toner housing unit, image forming apparatus, and image forming method | Shizuka Hashida, Hiroshi Yamashita, Hiroshi Yamada, Masanori Rimoto | 2018-11-13 |
| 9964873 | Toner, developer, image forming apparatus and toner housing unit | Hiroshi Yamashita, Hiroshi Yamada, Shizuka Hashida, Masanori Rimoto | 2018-05-08 |
| 9891548 | Image forming method, toner, and image forming apparatus | Takamasa Hase, Yukiko Iwasaki, Tsuneyasu Nagatomo, Kenji Yoneda | 2018-02-13 |
| 9785075 | Toner, developer, image forming apparatus, and process cartridge | Shinya Nakayama, Atsushi Yamamoto, Susumu Chiba, Toyoshi Sawada, Hiroshi Yamashita | 2017-10-10 |
| 9557671 | Electrostatic image developing toner, developer, and image forming apparatus | Ryuta Chiba, Shinya Nakayama, Hiroshi Yamada, Akinori Saitoh, Hideyuki Santo +6 more | 2017-01-31 |
| 9546446 | Highly functional polyethylene fibers, woven or knit fabric, and cut-resistant glove | Yasunori Fukushima, Shoji Oda, Akira Hamano, Kunio Nishioka | 2017-01-17 |
| 9539600 | Method for cleaning droplet ejector, cleaner for cleaning droplet ejector, and particulate material production apparatus using the cleaner | Yasutada Shitara, Shinji Aoki, Yoshihiro Norikane, Andrew Mwaniki Mulwa, Masaru Ohgaki +2 more | 2017-01-10 |
| 9195156 | Particulate material production method, and particulate material production apparatus | Ryota Inoue, Yoshihiro Moriya, Hiroshi Yamada, Tatsuru Moritani, Akinori Saito +3 more | 2015-11-24 |
| 9176406 | Toner, development agent, image forming apparatus, and process cartridge | Satoyuki Sekiguchi, Hiroshi Yamashita, Susumu Chiba, Tatsuya Morita, Atsushi Yamamoto +5 more | 2015-11-03 |
| 9170508 | Particulate material production method and apparatus, toner production method and apparatus, and toner | Kiyotada Katoh, Yasutada Shitara, Yoshihiro Norikane, Kenta Kenjoh, Satoshi Takahashi | 2015-10-27 |
| 9141010 | Particulate material production apparatus, and particulate material production method | Kiyotada Katoh, Yoshihiro Norikane, Yasutada Shitara, Shinji Aoki, Satoshi Takahashi | 2015-09-22 |
| 9056296 | Apparatus for manufacturing fine particles and toner | Satoshi Takahashi, Yoshihiro Norikane, Yasutada Shitara, Kiyotada Katoh | 2015-06-16 |