Toru Masuda
41Patents
15h-index
47Co-inventors
81Inventor score
Filing activity: Apr 19, 1977 → Feb 10, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4393283A | Jack with plug actuated slide switch | Electricity | 111 | Expired |
| US5182550A | Inter-network connection system | Electricity | 38 | Expired |
| US7518458B2 | Oscillator and data processing equipment using the same and voltage control oscillator and data processing equipment using voltage control oscillator | Electricity | 36 | Active |
| US4747790A | Connector for printed circuit board | Electricity | 34 | Expired |
| US4426558A | Jack having an insulating contact operator | Electricity | 33 | Expired |
| US7839229B2 | Voltage-controlled oscillator and communication device using the same | Electricity | 32 | Active |
| US5402377A | Semiconductor memory device having a controlled auxiliary decoder | Physics | 23 | Expired |
| US7821335B2 | Semiconductor integrated circuit with variable gain amplifier | Electricity | 22 | Active |
| US6304357A | Optical receiver | Electricity | 22 | Expired |
| US4715819A | Connector for printed board connection | Electricity | 21 | Expired |
| US5523966A | Memory cell and a memory device having reduced soft error | Electricity | 21 | Expired |
| USD293432S | Electrical connecting plug | General | 19 | Expired |
| US4659167A | Jack with recessed contacts | Electricity | 19 | Expired |
| US4493526A | Jack | Electricity | 16 | Expired |
| US7589596B2 | Voltage controlled oscillator and wireless transceiver using the same | Electricity | 15 | Active |
| US7091757B2 | Frequency generator and communication system | Electricity | 12 | Expired |
| US7177612B2 | Frequency generator and communication system using the same | Electricity | 12 | Expired |
| US7592877B2 | Variable frequency oscillator and communication circuit with it | Electricity | 12 | Active |
| US6658217B2 | Optical receiver | Electricity | 9 | Expired |
| US6785477B1 | Optical receiver using variable negative-capacitance circuit | Electricity | 9 | Expired |
| US7642618B2 | Semiconductor devices with inductors | Electricity | 8 | Expired |
| US7902934B2 | Variable inductor, and oscillator and communication system using the same | Electricity | 7 | Expired |
| US8212615B2 | Variable-gain amplifier circuit and wireless communication device integrated circuit equipped therewith | Electricity | 7 | Active |
| US8121579B2 | Active mixer circuit and a receiver circuit or a millimeter-wave communication unit using it | Electricity | 6 | Active |
| US7098740B2 | Radio frequency power amplifier and communication system | Electricity | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.