Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10151357 | Rotation transmission device | Naotsugu Kitayama, Marina FUKUNARI, Kyohei Sasanuma, Koji Akiyoshi, Masahiro Kawai +1 more | 2018-12-11 |
| 10138954 | Rotation transmission device | Naotsugu Kitayama, Kyohei Sasanuma, Shintaro Ishikawa | 2018-11-27 |
| 9976608 | Rotation transmission device | Koji Akiyoshi, Koji Sato, Naotsugu Kitayama | 2018-05-22 |
| 9874250 | Rotation transmission device | Naotsugu Kitayama, Shintaro Ishikawa, Koji Sato | 2018-01-23 |