Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7367566 | Metal gasket | Tsunekazu Udagawa | 2008-05-06 |
| 6851677 | Cylinder head gasket | Kisho Yasuda | 2005-02-08 |
| 6758479 | Cylinder head gasket with different materials | — | 2004-07-06 |
| 6705619 | Cylinder head gasket with peripheral bead | — | 2004-03-16 |
| 6682080 | Cylinder head gasket | — | 2004-01-27 |
| 6619665 | Cylinder head gasket with partial resin coatings | Noriaki Akimoto | 2003-09-16 |
| 6428016 | Metal cylinder head gasket with compressibility adjusting slits | — | 2002-08-06 |
| 6406032 | Cylinder head gasket with gas releasing portion | — | 2002-06-18 |
| 6213477 | Metal cylinder head gasket with portion for holding intermediate area between cylinder bores | — | 2001-04-10 |
| 6161842 | Metal gasket with different surface pressure portions | — | 2000-12-19 |
| 6139025 | Metal laminate gasket with wide and narrow flange portions | — | 2000-10-31 |
| 6019376 | Metal laminate gasket with wide and narrow flange portions | — | 2000-02-01 |
| 5988651 | Metal gasket with sealing bead and bead protecting portion | — | 1999-11-23 |
| 5975540 | Gasket with compressible sealing section and hard pressure affecting section | — | 1999-11-02 |
| 5961126 | Metal gasket with peripheral bead | — | 1999-10-05 |
| 5895054 | Metal gasket with a thick seal ring around a bore | Susumu Inamura | 1999-04-20 |
| 5893566 | Metal laminate gasket with different coating layers | Susumu Inamura | 1999-04-13 |
| 5725223 | Manifold gasket with different sealing beads | Kenji Yamada | 1998-03-10 |
| 5711537 | Metal gasket with a bead surrounding bolt and oil holes | Susumu Inamura | 1998-01-27 |
| 5700016 | Metal laminate gasket with surface pressure adjustment mechanism | Susumu Inamura | 1997-12-23 |
| 5634646 | Metal laminate gasket with coating layer | — | 1997-06-03 |
| 5460387 | Metal laminate gasket having sealing mechanism formed of recess and flange | Susumu Inamura | 1995-10-24 |
| 5449181 | Metal laminate gasket with pre-bent portion | — | 1995-09-12 |
| 5408963 | Metal laminate gasket having sealing mechanism formed of recess and flange | Susumu Inamura | 1995-04-25 |
| 5395127 | Metal laminate gasket with sealing grommet | — | 1995-03-07 |