Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10982592 | Rotary piston engine | Kiyotaka Tanaka, Shinichiro Maeda, Shingo Karikawa, Hiromi Yoshioka | 2021-04-20 |
RI
Ryo Itonaka
Overall (2021): #278,314 of 548,734Top 55%
1
Patents 2021