Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4392752 | Oil seal for bearings of turbocharger | Masami Shimizu | 1983-07-12 |
| 4389052 | Oil seal system for shaft of turbocharger | Masami Shimizu | 1983-06-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4392752 | Oil seal for bearings of turbocharger | Masami Shimizu | 1983-07-12 |
| 4389052 | Oil seal system for shaft of turbocharger | Masami Shimizu | 1983-06-21 |