Inventor · Yokohama, JP

Hiroaki Ebihara

78Patents
8h-index
57Co-inventors
81Inventor score

Filing activity: Oct 6, 2004 → Dec 22, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9774811B1 Ramp signal generator for double ramp analog to digital converter Electricity 17 Active
US10510796B1 Small pixels having dual conversion gain providing high dynamic range Electricity 16 Active
US8174598B2 Solid state image capture device and camera system Electricity 13 Active
US10431608B2 Dual conversion gain high dynamic range readout for comparator of double ramp analog to digital converter Electricity 13 Active
US8520105B2 Solid-state image pickup device and camera system Electricity 12 Active
US9712765B2 Solid-state image pickup device and camera system Electricity 9 Active
US10356351B1 Image sensor with dual conversion gain readout Electricity 9 Active
US9525835B2 Solid-state image pickup device and camera system Electricity 8 Active
US7196528B2 Electrostatic capacitance detection device Physics 8 Expired
US10498993B1 Ramp signal settling reduction circuitry Electricity 7 Active
US10290673B1 Bitline settling improvement and FPN reduction by floating bitline during charge transfer Electricity 7 Active
US7327596B2 Electrostatic capacitance detection device and smart card Physics 7 Expired
US10826470B2 Integrating ramp circuit with reduced ramp settling time Electricity 6 Active
US10079990B2 Comparator for double ramp analog to digital converter Electricity 5 Active
US10165210B1 Bitline settling improvement by using dummy pixels for clamp Electricity 5 Active
US10498322B1 Comparator output circuitry for single slope analog to digital converter Electricity 5 Active
US9967505B1 Comparators for double ramp analog to digital converter Electricity 5 Active
US11206039B1 Comparator stage with DC cut device for single slope analog to digital converter Electricity 4 Active
US10615190B2 Dual conversion gain high dynamic range readout for comparator of double ramp analog to digital converter Electricity 4 Active
US7116116B2 Capacitance detecting device Physics 4 Expired
US9025056B2 Solid state imaging element and camera system that determine in which horizontal read period a dummy pixel section is to be shuttered Electricity 3 Active
US10263031B2 Feedback capacitor and method for readout of hybrid bonded image sensors Electricity 3 Active
US11290674B1 Column amplifier capacitor switch circuit to adjust analog gain Electricity 3 Active
US10116892B1 Bitline boost for fast settling with current source of adjustable bias Electricity 3 Active
US10218924B2 Low noise CMOS image sensor by stack architecture Electricity 2 Active

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