Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5478092 | Metal laminate gasket with edge support beads | Tsunekazu Udagawa | 1995-12-26 |
| 5427389 | Metal laminate gasket with edge support beads | Tsunekazu Udagawa | 1995-06-27 |
| 5375856 | Protecting member for a gasket | Tsunekazu Udagawa, Hisashi Yasui, Susumu Inamura | 1994-12-27 |
| 5316322 | Metal plate with intersecting beads | Tsunekazu Udagawa | 1994-05-31 |
| 5277433 | Metal laminate gasket with surface pressure adjusting ring | Katsushiro Ishikawa, deceased | 1994-01-11 |
| 5221097 | Sealing system using metal gasket with projection bead | Tsunekazu Udagawa | 1993-06-22 |
| 5170927 | Metal plate with intersecting beads | Tsunekazu Udagawa, Yoshio Miyaoh | 1992-12-15 |