Inventor · Yokohama, JP

Hiraku Sonobe

17Patents
11h-index
26Co-inventors
72Inventor score

Filing activity: Sep 9, 1983 → Feb 22, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US6564070B1 Image input apparatus such as digital cordless telephone having radio communication function for communicating with base station Electricity 83 Expired
US6690417B1 Image processing method, an image processing apparatus, an image input device, a photographing device, a photographing system, a communication device, a communication system, and a storage medium Electricity 61 Expired
US4605211A Automatic sheet processing device having tiltable collecting tray adjacent corner binder station Performing Operations; Transporting 38 Expired
US6148243A Sound Processing method and system Electricity 26 Expired
US5710634A Output apparatus and method for reading and recording Electricity 23 Expired
US4739230A Control device for controlling motor speed without hunting Emerging Cross-Sectional Technologies 23 Expired
US7062230B1 Communication device, image-pickup device, storage medium and communication method Electricity 22 Expired
US4597018A Imagewise information processing method and apparatus Electricity 21 Expired
US4700237A Film image processing apparatus Electricity 20 Expired
US4907858A Optical pickup apparatus Physics 14 Expired
US6822676B1 Camera control system with electronic zoom processing Electricity 11 Expired
US7319484B2 Image processing method, an image processing apparatus, an image input device, a photographing device, a photographing system, a communication device, a communication system, and a storage medium Electricity 9 Expired
US4595275A Variable magnification copying apparatus Physics 9 Expired
US4953150A Optical recording apparatus having improved erasing capability Physics 7 Expired
US4786980A Image information recording system Physics 6 Expired
US4632536A Copying apparatus and an optical assembly usable therewith Physics 4 Expired
US7477880B2 Communication device, image-pickup device, storage medium and communication method Electricity 3 Active

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