Inventor · Hitachi, JP

Yasuomi Yagi

14Patents
7h-index
28Co-inventors
66Inventor score

Filing activity: Mar 26, 1984 → Nov 3, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US6242825A Electric rotating machine with reduced thickness and volume of insulation Emerging Cross-Sectional Technologies 39 Expired
US6426578B1 Electric rotating machine Emerging Cross-Sectional Technologies 30 Expired
US4502296A Cryostat Electricity 18 Expired
US5469009A Turbine generator Electricity 17 Expired
US6201323A Rotating machine Electricity 10 Expired
US4862749A Shaft torsional vibration monitor for a multi-mass rotary shaft system Physics 9 Expired
US5459363A Rotor for dynamo electric machine Electricity 8 Expired
US6262502A Rotating machine Electricity 6 Expired
US6359351B1 Rotating machine Electricity 6 Expired
US7071586B2 Dynamo-electric machine Electricity 6 Expired
US6538351B2 Rotating machine with plural coolers in plural ventilation passages Electricity 4 Expired
US6265795A Rotating machine Electricity 4 Expired
US7294943B2 Electric rotating machine Physics 3 Expired
US4625520A Superconducting device Emerging Cross-Sectional Technologies 1 Expired

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