Tadashi Matsumoto
105Patents
15h-index
149Co-inventors
89Inventor score
Filing activity: Dec 18, 1979 → Feb 2, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5500856A | Transmission de-correlator for eliminating interference in a CDMA communication system | Electricity | 73 | Expired |
| US5581547A | Random access communication method by CDMA and mobile station equipment using the same | Electricity | 56 | Expired |
| US5590399A | Up-link channel assignment scheme for cellular mobile communications systems employing multi-beam antennas with beam selection | Emerging Cross-Sectional Technologies | 55 | Expired |
| US4763331A | Method for decoding error correcting block codes | Electricity | 54 | Expired |
| US6366982B1 | Raid library apparatus for transportable media and method of controlling the library apparatus | Physics | 48 | Expired |
| US7027533B2 | Turbo-reception method and turbo-receiver | Electricity | 46 | Expired |
| US5912931A | Method for multicarrier signal detection and parameter estimation in mobile radio communication channels | Electricity | 46 | Expired |
| US5568472A | Code division multiple access mobile communication system | Electricity | 44 | Expired |
| US6869057B2 | Seat slide device | Performing Operations; Transporting | 43 | Expired |
| US5284930A | Process for purifying vinylphenol polymers for use as photoresist materials | Chemistry; Metallurgy | 26 | Expired |
| US6125028A | Information processing system | Emerging Cross-Sectional Technologies | 26 | Expired |
| US6446025B1 | Multiple propagation wave parameter measuring method and apparatus and machine-readable recording medium recording multiple propagation wave parameter measuring program | Physics | 19 | Expired |
| US7116735B2 | Adaptive equalization apparatus and method | Electricity | 19 | Expired |
| US5775661A | Seat lifter for motor vehicles | Performing Operations; Transporting | 17 | Expired |
| US6695504B2 | Conveying apparatus and recording apparatus | Performing Operations; Transporting | 16 | Expired |
| US4809415A | Method of manufacturing a heat exchange pipe | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4986514A | Seat reclining device | Performing Operations; Transporting | 15 | Expired |
| US6981681B2 | Lock mechanism for seat slide device and assembling method thereof | Performing Operations; Transporting | 15 | Expired |
| US5929204A | Process for removing metals from vinylphenol-type polymers | Chemistry; Metallurgy | 14 | Expired |
| US6442146B1 | Time-division multiple-access communication system | Electricity | 13 | Expired |
| US7614597B2 | Seat slide for vehicle | Performing Operations; Transporting | 13 | Active |
| US6550882B2 | Ink jet printing apparatus | Performing Operations; Transporting | 12 | Expired |
| US6338799B1 | Method for recovering phosphate from sludge and system therefor | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7242110B2 | Control system for canceling load unbalance of three-phase circuit | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5638376A | Code division multiplex signal receiving method | Electricity | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.