Hiroki Hiyama
134Patents
30h-index
61Co-inventors
93Inventor score
Filing activity: Jul 11, 1997 → Oct 12, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6670990B1 | Image sensing device using MOS-type image sensing element whose threshold voltage of charge transfer switch and reset switch is different from that of signal output transistor | Electricity | 154 | Expired |
| US6188094A | Solid-state image pickup device | Electricity | 150 | Expired |
| US7110030B1 | Solid state image pickup apparatus | Electricity | 131 | Expired |
| US6960751B2 | Photoelectric conversion device | Electricity | 122 | Expired |
| US6605850B1 | Solid-state image pickup device using layers having different refractive indices | Electricity | 85 | Expired |
| US6946637B2 | Image sensing device using MOS type image sensing elements | Electricity | 75 | Expired |
| US7187052B2 | Photoelectric conversion apparatus and image pick-up system using the photoelectric conversion apparatus | Electricity | 75 | Expired |
| US6850278B1 | Solid-state image pickup apparatus | Electricity | 73 | Expired |
| US7429764B2 | Signal processing device and image pickup apparatus using the same | Electricity | 67 | Expired |
| US7557847B2 | Image pickup apparatus and system with low parasitic capacitance between floating diffusion area of a pixel and output line of an adjacent pixel | Electricity | 66 | Active |
| US8045034B2 | Solid-state imaging apparatus | Electricity | 61 | Active |
| US6831685B1 | Solid-state image pickup element | Electricity | 52 | Expired |
| US7538804B2 | Solid state image pick-up device and image pick-up system | Electricity | 49 | Active |
| US7129985B1 | Image sensing apparatus arranged on a single substrate | Electricity | 49 | Expired |
| US7283305B2 | Solid state image pickup device, method for producing the same, and image pickup system comprising the solid state image pickup device | Electricity | 48 | Expired |
| US8598901B2 | Photoelectric conversion system | Electricity | 46 | Active |
| US6633334B1 | Solid-state image pickup device with optimum layout of building components around a photoelectric conversion portion | Electricity | 46 | Expired |
| US7755688B2 | Photoelectric conversion device and image sensing system | Electricity | 42 | Active |
| US8711259B2 | Solid-state imaging apparatus | Electricity | 41 | Active |
| US8174604B2 | Solid-state imaging apparatus | Electricity | 41 | Active |
| US8325260B2 | Solid-state imaging apparatus including pixel matrix with selectable blocks of output lines and imaging system using the solid-state imaging apparatus | Electricity | 41 | Active |
| US6784928B1 | Solid state image pickup device and signal reading method thereof | Electricity | 40 | Expired |
| US9509931B2 | Solid-state imaging apparatus and camera | Electricity | 39 | Active |
| US7638826B2 | Imaging device and imaging system | Electricity | 39 | Expired |
| US7812876B2 | Photoelectric conversion device and image capturing device with variable amplifier for amplifying signal by a selected gain | Electricity | 38 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.