Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9880478 | Method of producing toner | Tsutomu Shimano, Kunihiko Nakamura, Kenta Kamikura, Kenji Ookubo, Dai Nozaki +1 more | 2018-01-30 |
| 9658549 | Toner | Masatake Tanaka, Yoshihiro Nakagawa, Naoya Isono, Harumi Takada, Dai Nozaki | 2017-05-23 |
| 8086160 | Fixing apparatus, roller for the fixing apparatus, flexible sleeve for the fixing apparatus, and methods of manufacturing the roller for the fixing apparatus and the flexible sleeve for the fixing apparatus | Yuki Nishizawa, Ken Nakagawa, Takaaki Akamatsu, Shuuichi Tetsuno | 2011-12-27 |
| 7943281 | Black toner | Takaaki Kaya, Yasukazu Ayaki, Shigeto Tamura, Yayoi Tazawa, Ryoichi Fujita | 2011-05-17 |