Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4553744 | Damper device for engine mountings or the like | Keizo Konishi, Takao Yamamoto | 1985-11-19 |
| 4491304 | Fluid-filled engine mount device | Toshihiko Kakimoto, Keizo Konishi, Takao Yamamoto | 1985-01-01 |