Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10975606 | Window regulator | Takeshi Nishizawa, Hiroki Shimizu, Yukihide Yamazaki | 2021-04-13 |
| 10927588 | Window regulator | Hiroki Shimizu, Yukihide Yamazaki, Wataru Murata | 2021-02-23 |
| 10927589 | Window regulator | Hiroki Shimizu, Yukihide Yamazaki, Wataru Murata | 2021-02-23 |