Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11082568 | Communication system and printing apparatus | Sumio Watanabe, Yukihiro Mori | 2021-08-03 |
| 11065886 | Printer | Yuji Yada, Hiromi Ohtsuka | 2021-07-20 |
| 10987942 | Printing apparatus | Sumio Watanabe, Yukihiro Mori | 2021-04-27 |
| 10968060 | Sheet cassette | Sumio Watanabe, Yukihiro Mori | 2021-04-06 |