Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12306572 | Process cartridge | Masamichi Sato, Masatake Tanaka, Ryo Sugiyama | 2025-05-20 |
| 12235606 | Process cartridge | Masatake Tanaka, Tomoya Uesugi, Masamichi Sato | 2025-02-25 |
| 12124212 | Toner | Masatake Tanaka, Tatsuya Saeki, Masamichi Sato | 2024-10-22 |
| 11112714 | Toner | Shota Amano, Kenichi Nakayama | 2021-09-07 |
| 11112710 | Toner and method for producing toner | Kenichi Nakayama, Takeshi Kaburagi, Shota Amano | 2021-09-07 |
| 9423714 | Toner | Takashi Kenmoku, Naotaka Ikeda, Yasuhiro Hashimoto | 2016-08-23 |
| 8980517 | Toner | Katsuyuki Nonaka, Koji Abe, Naoya Isono, Yuhei Terui, Taiji Katsura +1 more | 2015-03-17 |
| 7568470 | Fuel system for outboard motor | Hidemasa Kamito, Hiroyuki Tsunekawa | 2009-08-04 |
| 5519495 | Electronic component observation system | — | 1996-05-21 |
| 5420691 | Electric component observation system | — | 1995-05-30 |
| 5003196 | Wave shaping circuit having a maximum voltage detector and a minimum voltage detector | — | 1991-03-26 |
| 4916560 | Recording speed detecting apparatus | — | 1990-04-10 |