Inventor · Tokyo, JP

Daisuke Ishikawa

70Patents
5h-index
44Co-inventors
72Inventor score

Filing activity: Oct 1, 2001 → May 24, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7170536B2 Light beam scanning apparatus and image forming apparatus Physics 10 Expired
US8634000B2 Image pickup apparatus having an auto zoom function and method for controlling image pickup apparatus Physics 10 Active
US8022995B2 Image pickup apparatus with an inclination guide display Electricity 8 Active
US6639620B2 Light beam scanning apparatus Electricity 7 Expired
US8125542B2 Imaging device using a first motion vector in an image that is obtained via an imaging system that can perform zooming and a second motion vector caused by performing zooming of the image Electricity 6 Active
US7158163B2 Light beam scanning apparatus capable of shortening the standby time and image forming apparatus capable of shortening the standby time Performing Operations; Transporting 5 Expired
US7446793B2 Image forming apparatus Physics 5 Active
US6611279B2 Light beam scanning apparatus Physics 5 Expired
US6661444B2 Light beam scanning apparatus Performing Operations; Transporting 5 Expired
US7697218B2 Lens control apparatus, lens barrel, imaging apparatus, and optical apparatus Physics 4 Active
US7515169B2 Beam light scanning apparatus, image forming apparatus, and beam light scanning method Performing Operations; Transporting 3 Expired
US7045771B2 Light beam scanning apparatus and image forming apparatus Physics 3 Expired
US7030900B2 Beam scanning apparatus and image forming apparatus using the same Electricity 3 Expired
US10048184B2 Crack sensor and crack monitoring device Physics 2 Active
US8497913B2 Image pickup apparatus with an inclination guide display Electricity 2 Active
US10461675B2 Control device, optical apparatus, control method, and storage medium Electricity 2 Active
US6693658B2 Light beam scanning apparatus Electricity 2 Expired
US10113888B2 Position detection apparatus, apparatus including the same and position detection method Physics 1 Active
US7580053B2 Laser control circuit and image forming apparatus Physics 1 Active
US9170100B2 Image pickup apparatus with inclination guide display Electricity 1 Active
US6839073B2 Image forming apparatus Performing Operations; Transporting 1 Expired
US6710793B1 Light beam scanning apparatus and image forming apparatus Electricity 1 Expired
US8692894B2 Image pickup apparatus with inclination guide display Electricity 1 Active
US7408567B2 Light beam scanning apparatus and image forming apparatus Performing Operations; Transporting 1 Expired
US8890961B2 Image pickup apparatus with inclination guide display Electricity 1 Active

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