Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851777 | Hydrogen gas mixing device | Hisashi Ichinokiyama, Toru Ishii, Yukio Sasaki | 2023-12-26 |
| 11619889 | Two-component developer, developing device, and image forming device | Maiko Nagaoka, Yoritaka Tsubaki, Keiichi Kikawa | 2023-04-04 |