Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11021184 | Steering rack and method for manufacturing the same | Nobuyuki Hagiwara, Kazuto Kobayashi | 2021-06-01 |
| 10525522 | Molding device for manufacturing cylindrical rolling body, manufacturing method for cylindrical rolling body, manufacturing method for rolling bearing, manufacturing method for vehicle, and manufacturing method for mechanical apparatus | Yuu Yasuda, Mizuki Watanabe | 2020-01-07 |
| 10392046 | Steering rack and method for manufacturing the same | Nobuyuki Hagiwara, Kazuto Kobayashi | 2019-08-27 |
| 10352429 | Steering rack and manufacturing method therefor | Nobuyuki Hagiwara, Kazuto Kobayashi | 2019-07-16 |
| 9914166 | Rack, method for manufacturing rack, and device for manufacturing rack | Nobuyuki Hagiwara, Kazuto Kobayashi | 2018-03-13 |
| 9080609 | Ribbon cage and manufacturing method thereof | Keita Itagaki, Kazuto Kobayashi | 2015-07-14 |