Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325779 | Cellulosic particle | Kenji Yao, Satomi KASHIWAGI, Shota MATOBA, Ayu NAITO, Yuko IWADATE +6 more | 2025-06-10 |
| 12187861 | Cellulosic particle | Kenji Yao, Ayu NAITO, Yuko IWADATE, Takahiro Ishizuka, Tetsuya Taguchi +3 more | 2025-01-07 |
| 12065547 | Cellulosic particle | Kenji Yao, Hideaki Yoshikawa, Masahiro OKI, Ayu NAITO, Yuko IWADATE +3 more | 2024-08-20 |
| 12024618 | Resin particles | Masahiro OKI, Kenji Yao, Hideaki Yoshikawa, Tetsuya Taguchi | 2024-07-02 |
| 11879040 | Resin particles comprising a biodegradable resin and a specific amount of a metal element | Masahiro OKI, Hideaki Yoshikawa, Kenji Yao, Tetsuya Taguchi | 2024-01-23 |
| 11732099 | Resin particles | Hideaki Yoshikawa, Kenji Yao, Masahiro OKI, Tetsuya Taguchi | 2023-08-22 |
| 9798258 | Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method | Hirofumi Shiozaki, Naomi Miyamoto | 2017-10-24 |
| 9436111 | Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge | Hirofumi Shiozaki, Shinpei Takagi | 2016-09-06 |