Masataka Shiratsuchi
41Patents
7h-index
47Co-inventors
69Inventor score
Filing activity: Sep 29, 1995 → Oct 31, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5995303A | Optical element and optical device | Physics | 54 | Expired |
| US7648256B2 | Lighting system having lenses for light sources emitting rays at different wavelengths | Electricity | 39 | Active |
| US7663769B2 | Sheet thickness measuring device and image forming apparatus | Physics | 36 | Active |
| US6421451B2 | Step difference detection apparatus and processing apparatus using the same | Physics | 27 | Expired |
| US8696184B2 | Surface light source device | Physics | 14 | Active |
| US10180529B2 | Illumination device and light-guiding member | Physics | 9 | Active |
| US8396384B2 | Apparatus and method of determining the type of paper sheet, and image formation apparatus | Performing Operations; Transporting | 9 | Active |
| US6344928B1 | Display device | Electricity | 5 | Expired |
| US8305863B2 | Optical information recording apparatus | Physics | 5 | Active |
| US9281328B2 | Image sensor that includes a boundary region formed between a logic circuit region and an image-sensing element region and manufacturing method thereof | Electricity | 3 | Active |
| US10041892B2 | Charged particle beam inspection apparatus and charged particle beam inspection method | Electricity | 2 | Active |
| US9194568B2 | Lighting unit and lighting device | Emerging Cross-Sectional Technologies | 2 | Active |
| US8797607B2 | Method and apparatus for deciding recording media based on light from a linear light source that passes a slit in a light shielding portion | Performing Operations; Transporting | 2 | Active |
| US10997713B2 | Inspection device, inspection method, and storage medium | Physics | 2 | Active |
| US8004655B2 | Automatic focus adjusting mechanism and optical image acquisition apparatus | Physics | 2 | Active |
| US9442239B2 | Illuminating device | Physics | 1 | Active |
| US9436001B2 | Light beam scanner | Physics | 1 | Active |
| US8437236B2 | Optical information recording/reproducing apparatus and method | Physics | 1 | Active |
| US10762383B2 | Pattern inspection apparatus and pattern inspection method | Physics | 1 | Active |
| US11101103B2 | Multiple electron beam inspection apparatus and multiple electron beam inspection method | Electricity | 1 | Active |
| US10984978B2 | Multiple electron beam inspection apparatus and multiple electron beam inspection method | Electricity | 1 | Active |
| US10712295B2 | Electron beam inspection apparatus and electron beam inspection method | Electricity | 1 | Active |
| US10775326B2 | Electron beam inspection apparatus and electron beam inspection method | Electricity | 1 | Active |
| US7618161B2 | Fresnel lens and lighting apparatus provided with the Fresnel lens | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US11417495B2 | Multi-charged particle beam irradiation apparatus and multi-charged particle beam inspection apparatus | Electricity | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.