Inventor · Daito, JP

Eizi Ishikawa

3Patents
2h-index
5Co-inventors
41Inventor score

Filing activity: Jun 8, 1979 → Aug 28, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US4326696A Solenoid valve Emerging Cross-Sectional Technologies 32 Expired
US6165862A Method of producing a thin film resistor Electricity 19 Expired
US4330004A Electromagnetic valve Emerging Cross-Sectional Technologies 2 Expired

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