Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11169656 | User interface method, information processing system, and user interface program medium | Koki Hatada, Naoki Nishiguchi | 2021-11-09 |
| 10989161 | Ignition device | Keiko Miyake, Yasuo Kakumae, Kanechiyo Terada | 2021-04-27 |
| 10883468 | Ignition system | Kanechiyo Terada, Keiko Miyake | 2021-01-05 |