Inventor · Tokyo, JP

Hirohiko Ito

21Patents
10h-index
28Co-inventors
75Inventor score

Filing activity: Jul 14, 1992 → Jul 18, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US7391917B2 Image processing method Physics 31 Expired
US6850995B1 Control unit selectively connected with a first bus and a second bus for controlling a displaying process in parallel with a scanning process Electricity 26 Expired
US5867614A Control for an image filing apparatus Electricity 20 Expired
US6512899B2 Image forming apparatus capable of processing images of plural documents Electricity 19 Expired
US7349577B2 Image processing method and image processing system Emerging Cross-Sectional Technologies 16 Expired
US6336011B1 Sheet binding system for an image forming apparatus Physics 15 Expired
US6347202B1 Control device and control method for composite appliance Electricity 15 Expired
US5724154A Image processing apparatus with multiple functions Electricity 11 Expired
US7664321B2 Image processing method, system, program, program storage medium and information processing apparatus Electricity 10 Expired
US5371574A Operation unit control device for image processing apparatus with multiple functions Electricity 10 Expired
US7206869B2 Input/output control apparatus Electricity 8 Expired
US6311029A Image forming apparatus having sheet feeding unit for insert sheets with a job data and insert sheet identification control feature Performing Operations; Transporting 7 Expired
US6307615A Image processing apparatus, image processing method and image processing system Physics 7 Expired
US5402208A Image forming apparatus where vibrations of the scanner do not affect the write operation Electricity 5 Expired
US5235396A Image processing apparatus having an image processing mode selected by a special sheet Electricity 5 Expired
US6980320B2 Image forming apparatus, method of controlling the same, program, and storage medium Electricity 4 Expired
US6989908B1 Image input and output method, image input and output apparatus, and image processing system Electricity 3 Expired
US6980310B1 Image processing apparatus and method Electricity 3 Expired
US7023571B2 Image processing apparatus and method Electricity 2 Expired
US9083353B2 Semiconductor device and electronic device Electricity 1 Active
US10191829B2 Semiconductor device and fault detection method therefor Electricity 0 Active

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