Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11767796 | Spark ignition type engine | Michisuke Iga, Kazuhiro Tanaka, Masanori Hirochi | 2023-09-26 |
YO
Yoshinori Oyama
Overall (2023): #192,682 of 537,848Top 40%
1
Patents 2023