Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11180169 | Onboard system, ground system, and information transmission system | Yuichirou Shimizu, Tomonori Itagaki, Tetsuya Takata, Hideo Nakamura | 2021-11-23 |
| 11047549 | Light-emitting device, lighting device, and optical member | Kohei SHIMA, Yohei KAWANO | 2021-06-29 |