Inventor · Sakai, JP

Haruo Abe

7Patents
5h-index
18Co-inventors
60Inventor score

Filing activity: Dec 6, 1973 → Jun 26, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US3972056A Varifocal lens assembly Physics 70 Expired
US3940788A Color television camera optical system Physics 39 Expired
US4198126A Zoom lens system capable of macrophotography Physics 12 Expired
US5978122A Noise suppression method for wavelength division multiplexing transmission system Electricity 12 Expired
US5510930A Light amplifying apparatus Electricity 5 Expired
US4231636A Variable field curvature lens system Physics 4 Expired
US4288720A Method of erasing information in a scan converter storage tube Electricity 2 Expired

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