Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10137541 | Method for manufacturing bearing ring member | Masahito Yamamoto, Hiroshi Koyama | 2018-11-27 |
| 9956607 | Method for manufacturing rolling bearing unit | Nobuyuki Hagiwara, Toshio Nakamura, Hiroshi Koyama, Isao Shintou | 2018-05-01 |
| 9914166 | Rack, method for manufacturing rack, and device for manufacturing rack | Nobuyuki Hagiwara, Yuuki Mizushima | 2018-03-13 |