Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11618556 | Lubrication pressue control of a power transmission device for helicopter | Hirofumi Akahori, Yuji Yamazaki, Akira HAYASAKA, Kenta Ogasawara | 2023-04-04 |
| 10274047 | Planetary gear device with inward flange having recesses | Tetsuya Matsuoka, Hiroyasu Nishikawa, Masato Asahara, Kazuhiro Sato | 2019-04-30 |