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 51–75 of 99 patents

Patent #TitleCo-InventorsDate
5240262 Steel laminate gasket Susumu Inamura 1993-08-31
5240261 Steel laminate gasket Susumu Inamura 1993-08-31
5232229 Metal gasket with low heat transmission 1993-08-03
5221097 Sealing system using metal gasket with projection bead Itsuo Ishikawa 1993-06-22
5215316 Metal laminate gasket for open deck type engine 1993-06-01
5213345 Steel laminate gasket with wide sealing area 1993-05-25
5213344 Metal laminate gasket for open deck type engine 1993-05-25
5211408 Metal laminate gasket with a sealing groove 1993-05-18
5209504 Metal laminate gasket Susumu Inamura, Yoshio Yamada 1993-05-11
5205569 Metal laminate gasket with graphite sheet Susumu Inamura 1993-04-27
5199723 Steel laminate gasket with seal protecting member 1993-04-06
5170927 Metal plate with intersecting beads Yoshio Miyaoh, Itsuo Ishikawa 1992-12-15
5169163 Steel laminate gasket with main and auxiliary sealing members Yoshio Miyaoh 1992-12-08
5154529 Positioning pin for a gasket Susumu Inamura 1992-10-13
5150910 Gasket with soft and hard seal coatings 1992-09-29
5120078 Steel laminate gasket with engine block protecting device 1992-06-09
5096325 Positioning pin for a gasket 1992-03-17
5092613 Steel laminate gasket 1992-03-03
5076595 Steel laminate gasket 1991-12-31
5062649 Steel laminate gasket with wide sealing area 1991-11-05
5058908 Steel laminate gasket 1991-10-22
5054795 Metal laminate gasket Susumu Inamura 1991-10-08
5009438 Steel laminate gasket with associated beads 1991-04-23
5004250 Metal plate with a bead 1991-04-02
4998741 Metal plate with reinforcing bead and a cylinder head gasket including the same 1991-03-12