Yuko Morikawa
27Patents
17h-index
33Co-inventors
77Inventor score
Filing activity: Jul 9, 1987 → Nov 10, 1997
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 |
| US5389475A | Recording medium and information-erasing method | Physics | 81 | 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 |
| US5623476A | Recording device and reproduction device | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5519686A | Encoder for controlling measurements in the range of a few angstroms | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5373494A | Information recording and/or reproducing apparatus | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5396483A | Recording medium having a track and electrode layer provided and recording and reproducing device and system using same | Emerging Cross-Sectional Technologies | 44 | Expired |
| US5569974A | Electron-emitting device and electron beam lithograph machine and image display apparatus making use of it | Electricity | 39 | Expired |
| US5075738A | Switching device and method of preparing it | Electricity | 36 | Expired |
| US5046822A | Liquid crystal device | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5136212A | Electron emitting device, electron generator employing said electron emitting device, and method for driving said generator | Electricity | 31 | Expired |
| US5020881A | Light modulating device with optical switching unit of laminated insulating and conductive layers | Physics | 30 | Expired |
| US5264876A | Recording medium, method for preparing the same, recording and reproducing device, and recording, reproducing and erasing method by use of such recording medium | Physics | 25 | Expired |
| US6308405A | Process for preparing an electrode substrate | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5206665A | Recording medium, method for preparing the same, recording and reproducing device, and recording, reproducing and erasing method by use of such recording medium | Physics | 21 | Expired |
| US5994698A | Microprobe, preparation thereof and electronic device by use of said microprobe | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5204851A | Apparatus for reading and/or inputting information | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5255258A | Microprobe, preparation thereof and electronic device by use of said microprobe | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5170238A | Switching element with organic insulative region | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5140398A | Switching device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5482002A | Microprobe, preparation thereof and electronic device by use of said microprobe | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5158619A | Photoconductive device comprising polyimide film | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5359204A | Switching device | Electricity | 5 | Expired |
| US5579406A | Apparatus and method for outline data processing | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.