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 1–25 of 99 patents

Patent #TitleCo-InventorsDate
7367566 Metal gasket Yoshio Miyaoh 2008-05-06
7311309 Cylinder head gasket Yuichi Kinoshita 2007-12-25
7207572 Gasket 2007-04-24
7137631 Cylinder head gasket Yuuichi Kinoshita 2006-11-21
7108268 Metal laminate gasket 2006-09-19
7055830 Metal laminate gasket 2006-06-06
7014194 Cylinder head gasket Yuuichi Kinoshita 2006-03-21
6997463 Cylinder head gasket Yuuichi Kinoshita 2006-02-14
6997462 Cylinder head gasket 2006-02-14
6779800 Head gasket 2004-08-24
6517085 Cylinder head gasket with partial resin coating Susumu Inamura, Shinichi Sato 2003-02-11
6318733 Metal laminate gasket with elastic auxiliary sealing member 2001-11-20
6250645 Gasket with annular sealing projection and groove 2001-06-26
6186513 Method of forming gasket with annular sealing projection and groove 2001-02-13
6089573 Metal gasket with corrugated bead 2000-07-18
6056295 Metal laminate gasket 2000-05-02
6036195 Metal gasket with double beads 2000-03-14
5979907 Metal gasket with edge support shim Tatsuro Uchida 1999-11-09
5906376 Metal gasket with locally heated-treating bead Susumu Inamura 1999-05-25
5899462 Metal laminate gasket with stepped sealing portion 1999-05-04
5895055 Metal gasket with opposite flanges 1999-04-20
5879012 Metal gasket with reduced thickness bead 1999-03-09
5853175 Cylinder head gasket with fluid flow path 1998-12-29
5842702 Metal laminate type cylinder head gasket with heat preventing portion 1998-12-01
5769430 Metal gasket with bead and thermal sprayed layer thereof 1998-06-23