Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12405543 | Toner | Hirofumi Kyuushima, Takayuki Toyoda, Naoya Isono, Masao Suzuki | 2025-09-02 |
| 12055889 | Toner | Koji Nishikawa, Yasuhiro Hashimoto, Yuujirou Nagashima | 2024-08-06 |
| 11934147 | Toner | Yasuhiro Hashimoto, Koji Nishikawa, Yuujirou Nagashima | 2024-03-19 |
| 11809132 | Toner | Yuujirou Nagashima, Yasuhiro Hashimoto, Koji Nishikawa, Shuntaro Watanabe, Hiroki Akiyama +1 more | 2023-11-07 |
| 11262666 | Positive-charging toner | Daisuke Yoshiba, Takashi Matsui | 2022-03-01 |
| 11181844 | Toner and method of producing toner | Daisuke Yoshiba, Kazuyuki Sato, Yuta Komiya, Tomohisa Sano, Takashi Matsui | 2021-11-23 |
| 11112708 | Toner | Kozue Uratani, Daisuke Yoshiba, Shohei Tsuda, Mariko Yamashita, Kazuki Kaneko +1 more | 2021-09-07 |
| 11099493 | Toner | Yuta Komiya, Daisuke Yoshiba, Kazuyuki Sato, Tomohisa Sano | 2021-08-24 |
| 10732529 | Positive-charging toner | Daisuke Yoshiba, Takashi Matsui | 2020-08-04 |