Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416872 | Toner, developing agent, toner stored unit, and image forming apparatus | Ryuuta Yoshida, Toma Takebayashi, Akio Takei | 2025-09-16 |
| 12306580 | Toner and production method thereof, and toner stored unit, image forming apparatus, and image forming method | Hiroshi Yamada, Akinori Saitoh, Akio Takei, Toma Takebayashi | 2025-05-20 |
| 12287605 | Toner and production method thereof, toner stored unit, image forming apparatus, and image forming method | Hiroshi Yamada, Akinori Saitoh, Akio Takei, Toma Takebayashi, Masahiro Yukikawa | 2025-04-29 |
| 12204277 | Toner, developer, toner storage unit, image forming apparatus, and image forming method | Hiroshi Yamada, Toma Takebayashi, Akio Takei | 2025-01-21 |
| 11592768 | Image forming apparatus and image forming method | Takahiro Honda, Hiroshi Yamada | 2023-02-28 |
| 10323134 | Particulate polyamide, and method for preparing the particulate polyamide | Yoko Arai, Atsumi Yamabe, Koichiro Oyama | 2019-06-18 |
| 10303072 | Toner, developer, and image forming device | Akira Tanaka, Hiroyuki Takeda, Junichi Awamura, Hiroshi Yamada, Daichi Hisakuni | 2019-05-28 |
| 10138344 | Particulate polyamide, and method for preparing the particulate polyamide | Yoko Arai, Atsumi Yamabe, Koichiro Oyama | 2018-11-27 |
| 9587072 | Method for producing polymer | Taichi Nemoto, Chiaki Tanaka, Yoko Arai, Satoshi Izumi | 2017-03-07 |
| 9447228 | Polymer production apparatus and polymer production method | Yuuichi Satoh, Satoshi Izumi, Taichi Nemoto, Yoko Arai, Chiaki Tanaka | 2016-09-20 |