Hisaaki Kawade
67Patents
24h-index
103Co-inventors
87Inventor score
Filing activity: Nov 2, 1984 → Sep 26, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5622634A | Method of manufacturing electron-emitting device, electron source and image-forming apparatus | Electricity | 91 | Expired |
| 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 |
| US5591061A | Apparatus for manufacturing electron source and image forming apparatus | Electricity | 67 | 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 |
| US5659329A | Electron source, and image-forming apparatus and method of driving the same | Electricity | 63 | 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 |
| 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 |
| US5519686A | Encoder for controlling measurements in the range of a few angstroms | 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 |
| US6626719B2 | Method of manufacturing electron-emitting device as well as electron source and image-forming apparatus | Electricity | 42 | Expired |
| US5414260A | Scanning probe microscope and method of observing samples by using the same | Emerging Cross-Sectional Technologies | 40 | Expired |
| US5132945A | Magnetooptical recording medium allowing overwriting with two or more magnetic layers and recording method utilizing the same | Physics | 39 | Expired |
| US5593335A | Method of manufacturing an electron source | Electricity | 37 | Expired |
| US5046822A | Liquid crystal device | Emerging Cross-Sectional Technologies | 36 | Expired |
| US5075738A | Switching device and method of preparing it | Electricity | 36 | Expired |
| US5278704A | Information processing apparatus including magnetic material having a predetermined magnetization pattern with respect to a recording medium | Physics | 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 |
| US6053791A | Method of fabricating electron source and image forming apparatus | Electricity | 30 | Expired |
| US5412597A | Slope detection method, and information detection/writing apparatus using the method | Emerging Cross-Sectional Technologies | 27 | 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 |
| US4658388A | Optical recording medium which includes a corrosion resistant film of a mixture of a carbide and a nitride | Emerging Cross-Sectional Technologies | 24 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.