Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE47687 | Damping system for steering wheel | Norio Umemura, Tsutomu Ishii, Kosuke Shigeta | 2019-11-05 |
| 10351171 | Steering wheel | Tsutomu Ishii, Kenji Sasaki, Toshihiko Yanagisawa | 2019-07-16 |