Inventor · Sendai, JP

Sinpei Maruyama

1Patents
1h-index
7Co-inventors
25Inventor score

Filing activity: Jun 28, 1990 → Jun 28, 1990

Most-cited inventions

PatentTitleAreaCited byStatus
US5021936A PWM power converter using mixed bipolar and static induction transistors Electricity 14 Expired

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