Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10302131 | Tapered roller bearing | Makoto KOGANEI, Hiroshi Sakamoto, Shunichi Kiyono, Mamoru Aoki | 2019-05-28 |
| 9995341 | Resin cage for tapered roller bearing and tapered roller bearing including the resin cage | Makoto KOGANEI, Hiroshi Sakamoto, Shunichi Kiyono, Mamoru Aoki, Tatsuya MINAMIYAMA +2 more | 2018-06-12 |
| D771166 | Tapered roller bearing cage | Makoto KOGANEI, Hiroshi Sakamoto, Shunichi Kiyono, Mamoru Aoki | 2016-11-08 |