Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12399442 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Tomoaki Tanaka, Ryutaro KEMBO | 2025-08-26 |
| 12326692 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Tomoaki Tanaka, Ryutaro KEMBO | 2025-06-10 |
| 12197169 | Electrostatic charge image developing toner, method for producing electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, and image forming apparatus | Daisuke Noguchi, Masaru Takahashi, Kazuhiko Nakamura | 2025-01-14 |
| 12181834 | Electrostatic image developing toner set and electrostatic image developer set | Kana Nagashima | 2024-12-31 |
| 12157813 | Resin particle | Masaru Takahashi, Tomoaki Tanaka, Satomi HARA, Ryutaro KEMBO | 2024-12-03 |
| 12130586 | Resin fine particle, thermoplastic resin particle, and method for producing resin fine particle | Daisuke Tomita, Takahiro Yamashita, Takahisa TATEKAWA, Masaru Takahashi | 2024-10-29 |
| 12025950 | Resin fine particle, thermoplastic resin particle, and method for producing resin fine particle | Daisuke Tomita, Takahiro Yamashita, Takahisa TATEKAWA, Masaru Takahashi | 2024-07-02 |
| 11965043 | Resin particle | Ryutaro KEMBO, Masaru Takahashi, Tomoaki Tanaka, Satomi HARA | 2024-04-23 |
| 11884816 | Resin particle | Masaru Takahashi, Ryutaro KEMBO | 2024-01-30 |
| 11693339 | Unit and image forming apparatus having a certain adhesive force property | Masato Ono, Masayuki Seko, Tomoaki Tanaka, Ryutaro KEMBO | 2023-07-04 |
| 10691035 | Brilliant toner, electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Satomi HARA, Masaru Takahashi, Sakiko Takeuchi | 2020-06-23 |
| 10649356 | Brilliant toner, electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Satomi HARA, Masaru Takahashi, Sakiko Takeuchi | 2020-05-12 |
| 10197933 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Shinya Nakashima, Akira Matsumoto, Yasuo Kadokura, Satoshi Miura | 2019-02-05 |
| 10082742 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Akira Matsumoto, Yasuo Kadokura, Shinya Nakashima, Satoshi Miura | 2018-09-25 |
| 10054865 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Satoshi Miura, Yasuo Kadokura, Akira Matsumoto, Shinya Nakashima | 2018-08-21 |
| 9989871 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Yasuo Kadokura, Akira Matsumoto, Shinya Nakashima, Satoshi Miura | 2018-06-05 |
| 9989872 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Akira Matsumoto, Yasuo Kadokura, Shinya Nakashima, Satoshi Miura, Sakiko HIRAI +4 more | 2018-06-05 |
| 9835962 | Electrostatic image-developing toner, electrostatic image developer, and toner cartridge | Satoshi KAMIWAKI, Akira Matsumoto, Tsuyoshi Murakami, Satoshi Miura, Atsushi Sugawara +6 more | 2017-12-05 |
| 9671708 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Kana Yoshida, Atsushi Sugawara, Tsuyoshi Murakami | 2017-06-06 |
| 9529288 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Atsushi Sugawara, Kana Yoshida, Tsuyoshi Murakami | 2016-12-27 |
| 9310703 | Violet toner, developer, and toner set | Akira Matsumoto | 2016-04-12 |
| 9081317 | Positively chargeable toner, electrostatic charge image developer, toner cartridge, image forming method, and image forming apparatus | Atsushi Sugawara, Masanobu Ninomiya, Noriyuki Mizutani, Akira Matsumoto, Yusuke Ikeda +1 more | 2015-07-14 |
| 9012114 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Noriyuki Mizutani, Tsuyoshi Murakami, Satoshi KAMIWAKI | 2015-04-21 |
| 8962229 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Akira Matsumoto, Satoshi KAMIWAKI | 2015-02-24 |
| 8852838 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Satoshi KAMIWAKI, Akira Matsumoto, Masanobu Ninomiya, Yusuke Ikeda | 2014-10-07 |