Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11833816 | Printing apparatus and recovery method therefor | Kei Kosaka | 2023-12-05 |
| 11338579 | Printing apparatus and recovery method therefor | Kei Kosaka | 2022-05-24 |
| 10427411 | Ink-jet printing apparatus and cleaning method | Kei Kosaka, Tomoyuki Tenkawa, Monta Matsui | 2019-10-01 |