Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12209614 | Bearing element manufacturing method, bearing manufacturing method, machine manufacturing method, vehicle manufacturing method, bearing element, bearing, machine, and vehicle | Kouhei Mori, Mizuki Watanabe, Hiroshi Koyama | 2025-01-28 |
| 11162538 | Method and device for manufacturing bearing unit | Nobuyuki Hagiwara, Kazuto Kobayashi, Hiroshi Koyama, Toshio Nakamura | 2021-11-02 |
| 10557505 | Method and device for manufacturing bearing unit | Nobuyuki Hagiwara, Kazuto Kobayashi, Hiroshi Koyama, Toshio Nakamura | 2020-02-11 |
| 10391542 | Method for manufacturing rolling bearing unit and method for manufacturing vehicle | Nobuyuki Hagiwara, Kazuto Kobayashi, Hiroshi Koyama, Toshio Nakamura | 2019-08-27 |
| 10343209 | Method of manufacturing bearing unit, and rotary press device | Nobuyuki Hagiwara, Toshio Nakamura, Hiroshi Koyama, Kazuto Kobayashi | 2019-07-09 |
| 9956607 | Method for manufacturing rolling bearing unit | Nobuyuki Hagiwara, Toshio Nakamura, Hiroshi Koyama, Kazuto Kobayashi | 2018-05-01 |
| 8966767 | Manufacturing method of a drawn cup needle roller bearing having seal ring | Tomohiro Kudou, Kazuto Kobayashi, Keiichi Horino, Kiyoshi Ootsuka | 2015-03-03 |
| 8177435 | Manufacturing method of a drawn cup needle roller bearing having seal ring | Tomohiro Kudou, Kazuto Kobayashi, Keiichi Horino, Kiyoshi Ootsuka | 2012-05-15 |