Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718377 | Method for producing bearing ring, double row tapered roller bearing, and method for producing double row tapered roller bearing | Michio Hori, Hideto Torisawa, Hiroshi Yuki, Chikara Ohki | 2020-07-21 |
| 10378076 | Double row tapered roller bearing, bearing ring, and method for producing double row tapered roller bearing | Michio Hori, Hideto Torisawa, Hiroshi Yuki, Chikara Ohki | 2019-08-13 |
| 10161015 | Heat treatment method and method of manufacturing machine part | Takumi Fujita | 2018-12-25 |
| 9702834 | Inspection method for bearing part and inspection apparatus for bearing part | Takumi Fujita, Toshihiko Sasaki, Youichi Maruyama | 2017-07-11 |
| 9611533 | Manufacturing method of machine component | Takumi Fujita | 2017-04-04 |
| 9487843 | Method for producing a bearing ring | Hiroshi Yuki, Chikara Ohki | 2016-11-08 |
| 8485730 | Rolling bearing | Hiroshi Morishita, Takashi Ito, Chikage Akai, Chikara Ohki | 2013-07-16 |
| 8453528 | Mechanical component and rolling bearing | Chikara Ohki, Takashi Ito, Hiroshi Morishita | 2013-06-04 |
| 8337089 | Mechanical component and rolling bearing | Chikara Ohki, Takashi Ito, Hiroshi Morishita | 2012-12-25 |