Inventor · Ishikawa, JP

Kunio Tsuda

5Patents
2h-index
6Co-inventors
44Inventor score

Filing activity: Mar 17, 1992 → Oct 6, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US5336909A Bipolar transistor with an improved collector structure Electricity 16 Expired
US5266818A Compound semiconductor device having an emitter contact structure including an I.sub.nx Ga.sub.1 -.sub.x As graded-composition layer Electricity 4 Expired
US9184258B2 GaN based semiconductor device and method of manufacturing the same Electricity 1 Active
US9466705B2 Semiconductor device and method of manufacturing the same Electricity 0 Active
US9059027B2 Semiconductor device Electricity 0 Active

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