Inventor · Hitachi, JP

Yuji Takayanagi

4Patents
2h-index
13Co-inventors
45Inventor score

Filing activity: Feb 17, 1993 → Feb 10, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5459338A Gate turn-off thyristor and power convertor using the same Electricity 5 Expired
US5635734A Insulated gate type semiconductor device in which the reliability and characteristics thereof are not deteriorated due to pressing action and power inverter using the same Electricity 2 Expired
US11496041B2 Gate drive device, gate drive method, power semiconductor module, and electric power conversion device Emerging Cross-Sectional Technologies 0 Active
US11539361B2 Semiconductor device signal transmission circuit for drive-control, method of controlling semiconductor device signal transmission circuit for drive-control, semiconductor device, power conversion device, and electric system for railway vehicle Electricity 0 Active

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