Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066108 | Damper housing for vehicle | Masayasu Yoshida | 2021-07-20 |
| 10972089 | Semiconductor device | Takanori Kohama | 2021-04-06 |
| 10931086 | Spark plug including a ground electrode having slanted surfaces and a facing portion facing a distal end surface of a center electrode | Daisuke Shimamoto, Masamichi Shibata | 2021-02-23 |
| 10886709 | Spark plug that prevents gas turbulence in the discharge space | Masamichi Shibata | 2021-01-05 |