Inventor · Tokyo, JP

Kaoru Sonobe

4Patents
4h-index
8Co-inventors
47Inventor score

Filing activity: Oct 23, 1991 → Dec 16, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US5193053A Plastic packaged semiconductor device Electricity 15 Expired
US8253258B2 Semiconductor device with hollow and throughhole and method of manufacturing same Electricity 10 Active
US5393705A Molded semiconductor device using intermediate lead pattern on film carrier formed from lattice pattern commonly available for devices and process of fabrication thereof Emerging Cross-Sectional Technologies 9 Expired
US8461690B2 Semiconductor device capable of suppressing generation of cracks in semiconductor chip during manufacturing process Electricity 5 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.