Toshio Nagashima
26Patents
13h-index
34Co-inventors
81Inventor score
Filing activity: May 24, 1974 → Feb 5, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4328531A | Thick film multilayer substrate | Electricity | 184 | Expired |
| US5760820A | Digital signal transmission system with priority information forcing display of text on a receiver | Electricity | 66 | Expired |
| US5940143A | High-definition television signal receiving apparatus and gain control circuit thereof | Electricity | 42 | Expired |
| US5572264A | High definition TV signal receiver | Electricity | 39 | Expired |
| US4353132A | Double superheterodyne tuner | Electricity | 38 | Expired |
| US6624758B1 | Remote keyless entry system | Physics | 37 | Expired |
| US5956098A | Digital broadcasting receiver | Electricity | 36 | Expired |
| US5630214A | Wide-band receiving apparatus with local oscillating circuit | Electricity | 21 | Expired |
| US4160953A | Self-oscillation mixer circuits | Electricity | 19 | Expired |
| US6657678B1 | Digital broadcasting receiver | Electricity | 17 | Expired |
| US5212828A | Receiver apparatus | Electricity | 16 | Expired |
| US4912520A | Mixer circuit for use in a tuner of a television set or the like | Electricity | 15 | Expired |
| US4731875A | Frequency converter used for a receiver which receives signals of a UHF band or a microwave band | Electricity | 14 | Expired |
| US3931600A | Mechanical filter | Electricity | 12 | Expired |
| US3981268A | Device for controlling electric potential applied to developing electrode in an electrophotographic duplicator | Physics | 12 | Expired |
| US3985099A | Magnetic brush developing device | Physics | 10 | Expired |
| US3977361A | Magnetic brush developing device | Physics | 8 | Expired |
| US6909470B2 | Digital broadcast recorder | Electricity | 6 | Expired |
| US7352274B2 | Remote keyless entry system | Physics | 5 | Expired |
| US7380997B2 | Monitor camera | Electricity | 5 | Expired |
| US4048958A | Magnetic brush developing device | Physics | 5 | Expired |
| US4352076A | Band pass filters | Electricity | 5 | Expired |
| US3953662A | Sealed container housing a mechanical filter | Electricity | 4 | Expired |
| US3981271A | Magnetic brush type developer for use in an electrophotographic machine | Physics | 4 | Expired |
| US6916233B2 | Polishing and cleaning compound device | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.