Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11221044 | Rolling bearing | Keisuke Kojima, Katsuyuki Harada, Naoki Masuda | 2022-01-11 |
| 11181149 | Rolling bearing | Keisuke Kojima, Katsuyuki Harada, Naoki Masuda | 2021-11-23 |
| 8991359 | Camshaft device | Kazuki Hamada, Hiroshi Ueno, Isao Usuki | 2015-03-31 |
| 8714832 | Conical roller cage | Isao Usuki, Hiroshi Ueno, Hirosato Nakanishi, Masashi Sakaguchi, Kazuki Hamada | 2014-05-06 |
| 8393801 | Outer ring of tapered roller bearing and tapered roller bearing | Kazuki Hamada, Hiroshi Ueno, Isao Usuki | 2013-03-12 |