Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9422981 | Roller bearing cage and manufacturing method therefor as well as roller bearing manufacturing method | Michiyuki Kamiji, Masaki Okano, Hiroyuki Maeda, Yoshio Kawatake, Kenji Teshima +1 more | 2016-08-23 |