Issued Patents All Time
Showing 25 most recent of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12248275 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yasuaki Hashimoto | 2025-03-11 |
| 12181836 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Yasuo Kadokura, Takuro Watanabe, Kazutsuna SASAKI, Karin SAKAI | 2024-12-31 |
| 12174583 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Takuro Watanabe, Kazutsuna SASAKI, Yasuo Kadokura, Karin SAKAI | 2024-12-24 |
| 12169390 | Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method | Yasuo Kadokura, Takuro Watanabe, Karin SAKAI, Kazutsuna SASAKI | 2024-12-17 |
| 12153377 | Electrostatic charge image developer, process cartridge, image forming apparatus, and image forming method | Karin SAKAI, Kazutsuna SASAKI, Yasuo Kadokura, Takuro Watanabe | 2024-11-26 |
| 12117769 | Method for producing recycled carrier, method for producing recycled electrostatic charge image developer, image forming method, and recycled carrier | Takeshi Tanabe, Shintaro Anno | 2024-10-15 |
| 12019395 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Sakiko Takeuchi, Karin SAKAI | 2024-06-25 |
| 11982975 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Yasuo Kadokura, Takuro Watanabe | 2024-05-14 |
| 11556071 | Electrostatic charge image developing carrier, electrostatic charge image developer, process cartridge, image forming apparatus and image forming method | Takuro Watanabe, Kazutsuna SASAKI, Yasuo Kadokura, Karin SAKAI | 2023-01-17 |
| 11550235 | Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Atsushi Sugawara, Yasuko Torii, Yoshimasa Fujihara, Moegi Iguchi | 2023-01-10 |
| 11531284 | Electrostatic image developing toner, electrostatic image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Moegi Iguchi, 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, Atsushi Sugawara, Yoshimasa Fujihara, Moegi Iguchi | 2022-07-19 |
| 10852651 | Electrostatic-image developer and process cartridge | Yasuaki Hashimoto, Hiroaki Saijo | 2020-12-01 |
| 10831119 | Electrostatic-image developer and process cartridge | Yasuaki Hashimoto, Hiroaki Saijo | 2020-11-10 |
| 10739689 | Electrostatic charge image developer and process cartridge | Shintaro Anno, Takuro Watanabe, Fusako Kiyono | 2020-08-11 |
| 10503091 | Carrier for electrostatic image development and electrostatic image developer | Moegi Iguchi, Shintaro Anno, Toshiaki Hasegawa | 2019-12-10 |
| 9740138 | Electrostatic charge image developing carrier, electrostatic charge image developer, and developer cartridge | Koji Sasaki | 2017-08-22 |
| 9639014 | Electrostatic charge image developer, developer cartridge, and process cartridge | Motoko Sakai, Takuro Watanabe, Masaaki Usami | 2017-05-02 |
| 9625847 | Electrostatic charge image developing carrier, electrostatic charge image developer, developer cartridge, process cartridge, and image forming apparatus | Takeshi Shoji, Hiroshi Kamada | 2017-04-18 |
| 9557676 | Electrostatic charge image developing carrier, electrostatic charge image developer, and developer cartridge | Shintaro Anno | 2017-01-31 |
| 9535349 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Motoko Sakai, Shuji Sato, Masaaki Usami, Takuro Watanabe | 2017-01-03 |
| 9513570 | Electrostatic charge image developer, developer cartridge, process cartridge, and image forming apparatus | Takeshi Shoji, Hiroshi Kamada | 2016-12-06 |
| 9176401 | Electrostatic image developing carrier, process of making the same, electrostatic image developer, process cartridge, image forming method, and image forming apparatus | Rieko Kataoka | 2015-11-03 |
| 8877419 | Method of forming composite color image | Satoshi Inoue, Koutarou Yoshihara, Moegi Iguchi, Masahiro Takagi | 2014-11-04 |
| 8815486 | Carrier for two-component developer, two-component developer, image forming method, and image forming apparatus | Norihito Fukushima, Toshiaki Hasegawa | 2014-08-26 |