Patent assignee · JP · COMPANY

Hitachi Semiconductor Ltd.

1Patents
0Active
1Granted
25Portfolio score

Filing activity: Nov 25, 1991 → Nov 25, 1991

Most-cited patents

PatentTitleAreaCited byStatus
US5138438A Lead connections means for stacked tab packaged IC chips Electricity 316 Expired

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