Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11187266 | Double-row self-aligning roller bearing | Yasuyuki Inoue, Takashi Yamamoto, Michio Hori | 2021-11-30 |
| 10883544 | Double-row self-aligning roller bearing and protrusion prevention jig | Takashi Yamamoto, Yasuyuki Inoue, Michio Hori | 2021-01-05 |