Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143240 | Inner ring unit and tapered roller bearing | Ichiro Kojima, Youzou Taniguchi | 2021-10-12 |
| 11133491 | Fabrication method of semiconductor device and semiconductor device | Seiji Yasumoto, Kayo Kumakura, Satoru Idojiri, Hiroki Adachi, Kenichi OKAZAKI | 2021-09-28 |