Inventor · Hayama, JP

Yu Owada

4Patents
4h-index
16Co-inventors
47Inventor score

Filing activity: Jul 2, 1999 → Jul 12, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6118237A Vehicular hybrid drive system with battery arctic management Emerging Cross-Sectional Technologies 50 Expired
US6870292B2 Stator for motor Electricity 42 Expired
US6891297B2 Electrical-steel-sheet formed body for rotor core, rotor, rotary electric machine and related method Electricity 9 Expired
US8377604B2 Fuel cell stack structure with tie rod including inner shaft and outer cylinder fastened together with joining material and manufacturing method Emerging Cross-Sectional Technologies 8 Active

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