Kunihiro Sakai
83Patents
26h-index
58Co-inventors
91Inventor score
Filing activity: Nov 26, 1984 → Nov 16, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5072116A | Microprobe preparation thereof and electronic device by use of said microprobe | Emerging Cross-Sectional Technologies | 83 | Expired |
| US4939556A | Conductor device | Electricity | 80 | Expired |
| US5721721A | Two scanning probes information recording/reproducing system with one probe to detect atomic reference location on a recording medium | Emerging Cross-Sectional Technologies | 66 | Expired |
| US5610898A | Information recording/reproducing method for recording and/or reproducing information on information recording carrier by use of probe electrode | Emerging Cross-Sectional Technologies | 58 | Expired |
| US5343460A | Information processing device and information processing method | Physics | 54 | Expired |
| US5299184A | Information processing apparatus with held distance control on track edge detection | Emerging Cross-Sectional Technologies | 54 | Expired |
| US5471458A | Multi-probe information recording/reproducing apparatus including a probe displacement control circuit | Emerging Cross-Sectional Technologies | 54 | Expired |
| US5220555A | Scanning tunnel-current-detecting device and method for detecting tunnel current and scanning tunnelling microscope and recording/reproducing device using thereof | Emerging Cross-Sectional Technologies | 53 | Expired |
| US5623476A | Recording device and reproduction device | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5461605A | Information recording/reproducing method, recording carrier and apparatus for recording and/or reproducing information on information recording carrier by use of probe electrode | Emerging Cross-Sectional Technologies | 51 | Expired |
| US5519686A | Encoder for controlling measurements in the range of a few angstroms | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5107112A | Scanning tunnel-current-detecting device and method for detecting tunnel current and scanning tunnelling microscope and recording/reproducing device using thereof | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5414690A | Moving apparatus, a moving method and an information detection and/or input apparatus using the same | Emerging Cross-Sectional Technologies | 48 | Expired |
| US6445367B1 | Electron-beam generating device having plurality of cold cathode elements, method of driving said device and image forming apparatus applying same | Electricity | 43 | Expired |
| US5508527A | Method of detecting positional displacement between mask and wafer, and exposure apparatus adopting the method | Physics | 41 | Expired |
| US5321685A | Cantilever type probe, scanning tunnel microscope and information processing apparatus using the same | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5414260A | Scanning probe microscope and method of observing samples by using the same | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5329122A | Information processing apparatus and scanning tunnel microscope | Physics | 37 | Expired |
| US5075738A | Switching device and method of preparing it | Electricity | 36 | Expired |
| US6169528A | Electron generating device, image display apparatus, driving circuit therefor, and driving method | Electricity | 35 | Expired |
| US5136212A | Electron emitting device, electron generator employing said electron emitting device, and method for driving said generator | Electricity | 31 | Expired |
| US5526334A | Information processing apparatus with multiple probes and method therefor | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5020881A | Light modulating device with optical switching unit of laminated insulating and conductive layers | Physics | 30 | Expired |
| US6517399B1 | Method of manufacturing spacer, method of manufacturing image forming apparatus using spacer, and apparatus for manufacturing spacer | Electricity | 30 | Expired |
| US5260926A | Atomic force microscope with a plurality of cantilevers for recording/reproducing information | Emerging Cross-Sectional Technologies | 28 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.