Patent assignee · JP · COMPANY

CMK Corporation

17Patents
7Active
17Granted
38Portfolio score

Filing activity: Nov 29, 1993 → Dec 13, 2010 · 7 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7489032B2 Semiconductor device including a hard sheet to reduce warping of a base plate and method of fabricating the same Electricity 209 Expired
US7279750B2 Semiconductor device incorporating a semiconductor constructing body and an interconnecting layer which is connected to a ground layer via a vertical conducting portion Electricity 203 Expired
US7910405B2 Semiconductor device having adhesion increasing film to prevent peeling Electricity 190 Active
US7183639B2 Semiconductor device and method of manufacturing the same Electricity 33 Expired
US5633480A Printed wiring board having a cover lay laminated on a polyimide resin base film containing conductive circuits Electricity 11 Expired
US5629497A Printed wiring board and method of manufacturing in which a basefilm including conductive circuits is covered by a cured polyimide resin lay Electricity 7 Expired
US7615411B2 Semiconductor package including connected upper and lower interconnections, and manufacturing method thereof Electricity 7 Active
US7867828B2 Method of fabricating a semiconductor device including forming an insulating layer with a hard sheet buried therein Electricity 6 Active
US7894200B2 Printed wiring board with built-in semiconductor element, and process for producing the same Emerging Cross-Sectional Technologies 6 Active
US5377406A Process for producing a printed circuit board Emerging Cross-Sectional Technologies 5 Expired
US7087845B2 Metal core multilayer printed wiring board Electricity 5 Expired
US8035979B2 Printed wiring board with built-in semiconductor element, and process for producing the same Emerging Cross-Sectional Technologies 3 Active
US7363706B2 Method of manufacturing a multilayer printed wiring board Emerging Cross-Sectional Technologies 3 Expired
US7243425B2 Printed wiring board and method of manufacturing the same Emerging Cross-Sectional Technologies 3 Expired
US7445964B2 Semiconductor device and method of manufacturing the same Electricity 2 Active
US7608480B2 Method of fabricating a semiconductor device incorporating a semiconductor constructing body and an interconnecting layer which is connected to a ground layer via a vertical conducting portion Electricity 1 Active
US7709942B2 Semiconductor package, including connected upper and lower interconnections Electricity 1 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.