Inventor · Tokyo, JP

Daisuke Okamoto

47Patents
5h-index
79Co-inventors
68Inventor score

Filing activity: Dec 13, 2007 → Sep 13, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8269303B2 SiGe photodiode Emerging Cross-Sectional Technologies 25 Active
US8467637B2 Waveguide path coupling-type photodiode Physics 21 Active
US8183656B2 Photodiode Electricity 13 Active
US11046260B2 Power-supplying device and assembly method of power-supplying device Electricity 10 Active
US8466528B2 Semiconductor light-receiving element, optical communication device, optical interconnect module, and photoelectric conversion method Electricity 10 Active
US8324501B2 Arm structure Performing Operations; Transporting 5 Active
US9416823B2 Tapered roller bearing Mechanical Engineering; Lighting; Heating 4 Active
US8853812B2 Photodetector, optical communication device equipped with the same, method for making of photodetector, and method for making of optical communication device Physics 4 Active
US9621279B2 Optical receiver circuit Electricity 4 Active
US9701262B2 Harness bending regulation member and harness routing structure using the same Electricity 3 Active
US8422837B2 Semiconductor device Electricity 3 Active
US8116600B2 Optical phase modulation element and optical modulator using the same Physics 2 Active
US10495190B2 Gear assembly Mechanical Engineering; Lighting; Heating 2 Active
US9941039B2 Soft magnetic member, reactor, powder for dust core, and method of producing dust core Electricity 2 Active
US11415342B2 Multistage compression system Mechanical Engineering; Lighting; Heating 1 Active
US7961223B2 Image sensor for surpressing movement of an image sensor due to change in urging direction of a spring Electricity 1 Active
US10535454B2 Compressed powder core, powders for compressed power core, and method for producing compressed powder core Electricity 1 Active
US8271177B2 Control device for vehicular differential limiting apparatus Mechanical Engineering; Lighting; Heating 1 Active
US11428225B2 Multistage compression system Mechanical Engineering; Lighting; Heating 1 Active
US10145413B2 Combination bearing Mechanical Engineering; Lighting; Heating 1 Active
US8026947B2 Image sensor Electricity 1 Active
US11994127B2 Multistage compression system Mechanical Engineering; Lighting; Heating 1 Active
US10910153B2 Superparamagnetic iron cobalt alloy and silica nanoparticles of high magnetic saturation and a magnetic core containing the nanoparticles Electricity 0 Active
US9725053B2 Arm power supply device Electricity 0 Active
US10048124B2 Optical receiving circuit and method for manufacturing the same Physics 0 Active

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