Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11326510 | General purpose engine | Yusuke Ninomiya, Yuko Akamine, Yuji Oigawa | 2022-05-10 |
| 11280248 | General-purpose engine | Sho Kitano, Yuji Oigawa, Kiichi Shimamura, Masanori Ishikawa | 2022-03-22 |