TU

Tsunekazu Udagawa

IC Ishikawa Gasket Co.: 98 patents #1 of 48Top 3%
Overall (All Time): #14,936 of 4,157,543Top 1%
99
Patents All Time

Issued Patents All Time

Showing 26–50 of 99 patents

Patent #TitleCo-InventorsDate
5695203 Metal gasket with coating layer 1997-12-09
5669614 Metal gasket having bead with inclined end portion 1997-09-23
5653451 Metal gasket with independent and eccentric support bead 1997-08-05
5642893 Metal laminate gasket with coating flow preventing dents 1997-07-01
5586770 Metal laminate gasket with engaging device Kenji Yamada 1996-12-24
5570892 Metal gasket with a bead having pressure adjusting portion 1996-11-05
5538263 Metal laminate gasket with edge support shims 1996-07-23
5536024 Metal gasket having sealing beads with different width and height 1996-07-16
5511796 Metal laminate gasket with sealing shim 1996-04-30
5482298 Metal laminate type cylinder head gasket having grommets with different thicknesses 1996-01-09
5478092 Metal laminate gasket with edge support beads Itsuo Ishikawa 1995-12-26
5451063 Steel laminate gasket Susumu Inamura 1995-09-19
5439234 Metal gasket with edge support beads 1995-08-08
5435575 Steel laminate gasket 1995-07-25
5427389 Metal laminate gasket with edge support beads Itsuo Ishikawa 1995-06-27
5395128 Metal laminate gasket having sealing portions with different surface pressures 1995-03-07
5382029 Metal laminate gasket with deformation preventing mechanism Yoshio Yamada 1995-01-17
5375856 Protecting member for a gasket Itsuo Ishikawa, Hisashi Yasui, Susumu Inamura 1994-12-27
5316322 Metal plate with intersecting beads Itsuo Ishikawa 1994-05-31
5306023 Cylinder head gasket with auxiliary sealing plate 1994-04-26
5306024 Metal gasket with low heat transmission 1994-04-26
5297807 Steel laminate gasket 1994-03-29
5272808 Method of manufacturing a cylinder head gasket Susumu Inamura 1993-12-28
5259629 Steel laminate gasket with dowel engaging device 1993-11-09
5255926 Steel laminate gasket 1993-10-26