Hiroshi Matsuda
376Patents
30h-index
393Co-inventors
93Inventor score
Filing activity: Mar 24, 1977 → Apr 11, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6800871B2 | Display device and process of producing the same | Electricity | 142 | Expired |
| US5814808A | Optical displacement measuring system using a triangulation including a processing of position signals in a time sharing manner | Physics | 102 | Expired |
| US7327478B2 | Image processing device, information processing method and computer-readable storage medium storing a control program for performing an operation based on whether a function is being set or requested to be set | Electricity | 99 | 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 |
| US4939556A | Conductor device | Electricity | 80 | Expired |
| US4912748A | Infrared intrusion detector with a plurality of infrared ray detecting elements | Emerging Cross-Sectional Technologies | 70 | Expired |
| US4683147A | Method of forming deposition film | Performing Operations; Transporting | 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 |
| US4683146A | Process for producing deposition films | Electricity | 66 | Expired |
| US5623476A | Recording device and reproduction device | Emerging Cross-Sectional Technologies | 52 | Expired |
| US6517132B2 | Multifinger hand device | Human Necessities | 49 | Expired |
| US5519686A | Encoder for controlling measurements in the range of a few angstroms | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4849737A | Person-number detecting system | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4683145A | Method for forming deposited film | Performing Operations; Transporting | 46 | Expired |
| USD432444S | Warning light housing for emergency vehicles | General | 45 | 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 |
| USD432038S | Combined warning light and siren housing for emergency vehicles | General | 43 | Expired |
| US4656462A | Object detecting apparatus including photosensors for restricted detection area | Physics | 42 | Expired |
| US4569855A | Method of forming deposition film | Electricity | 41 | Expired |
| US4503540A | Phase-locked semiconductor laser device | Electricity | 40 | Expired |
| US6724443B1 | Active matrix type display device | Physics | 38 | Expired |
| USD398597S | Icon indicating a case containing a received object | General | 38 | Expired |
| US7120910B2 | Control method for image processing apparatus connectable to computer network | Electricity | 37 | Expired |
| US5075738A | Switching device and method of preparing it | Electricity | 36 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.