Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5095867 | Positioning device for a gasket | — | 1992-03-17 |
| 5054795 | Metal laminate gasket | Tsunekazu Udagawa | 1991-10-08 |
| 4995624 | Steel laminate gasket with wide sealing area | Tsunekazu Udagawa | 1991-02-26 |
| 4938488 | Steel laminate gasket with wide sealing area | Tsunekazu Udagawa | 1990-07-03 |
| 4834399 | Steel laminate gasket | Tsunekazu Udagawa | 1989-05-30 |
| 4754982 | Steel laminate gasket | Tsunekazu Udagawa | 1988-07-05 |