Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10665260 | Optical disc recording device and optical disc recording method | Naohiro Kimura | 2020-05-26 |
| 10643650 | Information recording device and data erasing method | Naohiro Kimura | 2020-05-05 |