Inventor · Tokyo, JP

Ryuji Otsuka

5Patents
4h-index
11Co-inventors
50Inventor score

Filing activity: Feb 24, 1998 → Aug 6, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6064939A Individual guidance system for aircraft in an approach control area under automatic dependent surveillance Physics 41 Expired
US6085145A Aircraft control system Physics 24 Expired
US6761259B1 Moving handrail for passenger conveyor Performing Operations; Transporting 19 Expired
US6020831A Flight control system user interface apparatus and control data display method thereof Physics 13 Expired
US9543598B2 Fuel cell-powered motorcycle Emerging Cross-Sectional Technologies 3 Active

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