Inventor · Ishikawa, JP

Yutaka Saitou

8Patents
5h-index
14Co-inventors
60Inventor score

Filing activity: Sep 12, 1989 → Dec 23, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US6452558B1 Antenna apparatus and a portable wireless communication apparatus Electricity 50 Expired
US8111172B2 Navigation apparatus and computer program Physics 20 Active
US6765846B2 Antenna apparatus and wristwatch radio communication device using same Electricity 17 Expired
US5007241A Kinetic energy recovery device of liquid and gas Emerging Cross-Sectional Technologies 12 Expired
US8060167B2 Portable wireless machine Electricity 9 Expired
US9026351B2 Navigation devices, methods and programs Physics 3 Active
US5184469A Kinetic energy recovery device of liquid and gas Emerging Cross-Sectional Technologies 1 Expired
US8046038B2 Portable wireless apparatus Electricity 0 Expired

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