Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10619617 | Ignition device for internal combustion engine | Shogo Sayama, Ryou Masuda, Masao Kinoshita, Yoshihiro Nomura, Akimitsu Sugiura | 2020-04-14 |
| 10557450 | Internal combustion engine | Ryou Masuda, Makoto Nagaoka | 2020-02-11 |