Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11149159 | Water-based ink jet ink composition, recording method, and recording apparatus | Ippei Okuda | 2021-10-19 |
| 11059988 | Ink jet recording method and recording apparatus | Ippei Okuda | 2021-07-13 |