Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11550235 | Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Atsushi Sugawara, Yosuke Tsurumi, Yasuko Torii, Yoshimasa Fujihara | 2023-01-10 |
| 11531284 | Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Yosuke Tsurumi, Atsushi Sugawara, Yoshimasa Fujihara, Yasuko Torii | 2022-12-20 |
| 11392052 | Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Yasuko Torii, Yosuke Tsurumi, Atsushi Sugawara, Yoshimasa Fujihara | 2022-07-19 |
| 11181841 | Toner for electrostatic image development, electrostatic image developer, and toner cartridge | Yasuko Torii, Sakon Takahashi | 2021-11-23 |
| 10599061 | Electrostatic-image developing toner, electrostatic-image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Soutaro Kakehi, Yasuko Torii, Sakon Takahashi | 2020-03-24 |
| 10585367 | Electrostatic charge image developing toner and electrostatic charge image developer | Yuka Yamagishi, Yutaka Saito, Mona TASAKI, Soutaro Kakehi, Sakon Takahashi | 2020-03-10 |
| 10527962 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yuka Yamagishi, Yutaka Saito, Mona TASAKI, Soutaro Kakehi, Sakon Takahashi | 2020-01-07 |
| 10514623 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Soutaro Kakehi, Sakon Takahashi, Yutaka Saito, Mona TASAKI, Yuka Yamagishi | 2019-12-24 |
| 10503091 | Carrier for electrostatic image development and electrostatic image developer | Yosuke Tsurumi, Shintaro Anno, Toshiaki Hasegawa | 2019-12-10 |
| 10488776 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yutaka Saito, Sakon Takahashi, Mona TASAKI, Soutaro Kakehi, Yuka Yamagishi | 2019-11-26 |
| 10423087 | Electrostatic charge image developing toner and electrostatic charge image developer | Sakon Takahashi, Soutaro Kakehi, Yuka Yamagishi, Yutaka Saito, Mona TASAKI +3 more | 2019-09-24 |
| 10394151 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Mona TASAKI, Sakon Takahashi, Yutaka Saito, Soutaro Kakehi, Yuka Yamagishi | 2019-08-27 |
| 10025210 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Takeshi Tanabe, Sakon Takahashi, Yasuaki Hashimoto, Masaaki Usami, Yuka ZENITANI +3 more | 2018-07-17 |
| 9910372 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Sakon Takahashi, Takeshi Tanabe, Hiroshi Kamada, Yasuaki Hashimoto, Masaaki Usami +3 more | 2018-03-06 |
| 9535362 | Carrier set for electrostatic charge image developer, electrostatic charge image developer set, and process cartridge | Soutaro Kakehi, Sakon Takahashi, Akihiro Iizuka | 2017-01-03 |
| 8877419 | Method of forming composite color image | Satoshi Inoue, Koutarou Yoshihara, Yosuke Tsurumi, Masahiro Takagi | 2014-11-04 |
| 8628904 | Carrier, developer for replenishment, developer cartridge for replenishment, and image forming apparatus | Satoshi Inoue, Koutarou Yoshihara, Masahiro Takagi | 2014-01-14 |
| 7853172 | Image forming device with aggregation-forming unit that removes adherents | Satoshi Inoue, Masahiro Takagi, Koutarou Yoshihara | 2010-12-14 |
| 7713669 | Toner for developing electrostatic images, electrostatic image developer, and image-forming method | Noriyuki Mizutani, Hideo Maehata, Hirokazu Hamano, Hiroyuki Tanaka, Soichiro Kitagawa +5 more | 2010-05-11 |
| 7575841 | Toner for electrophotography, manufacturing method of toner for electrophotography, developer for electrophotography, and image forming method | Katsumi Daimon, Kazufumi Tomita, Yasuo Matsumura, Yusuke Ikeda, Shigeru Hayashi +4 more | 2009-08-18 |
| 7498113 | Toner for developing electrostatic image, production method thereof, resin particle dispersion, and electrostatic image developer | Yasuo Matsumura, Takashi Imai, Katsumi Daimon, Shuji Sato, Yusuke Ikeda +4 more | 2009-03-03 |
| 7432031 | Toner for electrostatic charge developing, production method thereof, developer for electrostatic charge developing using the same, and image forming method | Noriyuki Mizutani, Hideo Maehata, Hirokazu Hamano, Hiroyuki Tanaka, Soichiro Kitagawa | 2008-10-07 |