Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10801548 | Oil feeder | Yoshimichi Higashiyama, Tsukasa Sakazaki | 2020-10-13 |
| 10788074 | Rolling bearing device | Yoshimichi Higashiyama, Tsukasa Sakazaki | 2020-09-29 |
| 10557502 | Rolling bearing device and oil supply unit | Tsukasa Sakazaki, Yoshimichi Higashiyama | 2020-02-11 |