Inventor · Hitachi, JP

Shigeru Matsuoka

28Patents
16h-index
45Co-inventors
81Inventor score

Filing activity: Jun 13, 1974 → Jan 30, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US4385296A Remote-controlled automatic control apparatus Physics 90 Expired
US4328540A Door operation control apparatus Physics 67 Expired
US4386398A Automatic door control apparatus Fixed Constructions 55 Expired
US4365250A Garage door operation control apparatus Fixed Constructions 41 Expired
US4496942A Method and apparatus for door operation remote control Physics 37 Expired
US5220611A System for editing document containing audio information Physics 33 Expired
US4383206A Door operation control apparatus Fixed Constructions 33 Expired
US3984006A Automatic assembly control system Physics 31 Expired
US4887165A Document editing apparatus having detachable image reader Electricity 27 Expired
US5936609A Handy information terminal apparatus Emerging Cross-Sectional Technologies 25 Expired
US4311225A Device for driving driven member by roller chain Emerging Cross-Sectional Technologies 24 Expired
US4393342A Door operation control apparatus Fixed Constructions 24 Expired
US4344252A Garage door operation control apparatus Fixed Constructions 21 Expired
US5805125A Portable information processing apparatus and liquid crystal display device Emerging Cross-Sectional Technologies 21 Expired
US3967242A Automatic working machine Physics 18 Expired
US5483253A Portable information processing apparatus and liquid crystal display device Emerging Cross-Sectional Technologies 16 Expired
US4757312A Image display apparatus Physics 15 Expired
US4549092A Control system for illumination lamp installed in building equipped with door operation control apparatus Fixed Constructions 15 Expired
US5646872A Information processing apparatus Physics 15 Expired
US4475069A Door operation control apparatus Fixed Constructions 14 Expired
US4858171A Word processor with selective placement of printhead for printing of newly input print data after interruption of printing Performing Operations; Transporting 12 Expired
US5377330A Document editing apparatus for editing document data and image data Physics 11 Expired
US4405923A Garage door control system Fixed Constructions 11 Expired
US4599608A Circuit preventing phantom input in a switch matrix Electricity 10 Expired
US4367470A Door operation control apparatus Fixed Constructions 6 Expired

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