Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973516 | Gaskets for use in internal combustion engines | Hidenori Yamaoka, Yoshinao Kobayashi | 1990-11-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4973516 | Gaskets for use in internal combustion engines | Hidenori Yamaoka, Yoshinao Kobayashi | 1990-11-27 |