Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10049696 | Optical recording medium production device and production method | Yuuki Tokunaga, Takehiko Toyota | 2018-08-14 |
| 9324357 | Optical recording medium production device and production method | Yuuki Tokunaga, Takehiko Toyota | 2016-04-26 |