Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10808761 | Rolling bearing, and abrasion resistance treatment method for bearing raceway surface | Weida Yan, Michio Hori, Takashi Yamamoto, Naoya Hasegawa | 2020-10-20 |
| 10697492 | Double-row self-aligning roller bearing | Takashi Yamamoto, Yasuyuki Inoue, Michio Hori | 2020-06-30 |
| 10655674 | Double-row self-aligning roller bearing | Takashi Yamamoto, Yasuyuki Inoue, Michio Hori | 2020-05-19 |