Yasuyuki Oishi
69Patents
23h-index
61Co-inventors
91Inventor score
Filing activity: Oct 3, 1983 → Oct 23, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7248221B2 | Radio tag antenna structure for an optical recording medium and a case for an optical recording medium with a radio tag antenna | Electricity | 134 | Expired |
| US4870659A | FSK demodulation circuit | Electricity | 109 | Expired |
| US6028894A | SIR or SNR measurement apparatus | Electricity | 86 | Expired |
| US6836517B2 | Distortion compensating apparatus | Electricity | 70 | Expired |
| US5870668A | Amplifier having distortion compensation and base station for radio communication using the same | Electricity | 67 | Expired |
| US6097714A | Code multiplexing transmitting apparatus | Electricity | 55 | Expired |
| US6567478B2 | Radio apparatus having distortion compensating function | Electricity | 55 | Expired |
| US4861746A | Catalyst for hydrotreating heavy hydrocarbon oils and a method of preparing the catalyst | Performing Operations; Transporting | 45 | Expired |
| US5272723A | Waveform equalizer using a neural network | Electricity | 43 | Expired |
| US6826169B1 | Code multiplexing transmitting apparatus | Electricity | 41 | Expired |
| US6041034A | Spread spectrum communication system | Electricity | 39 | Expired |
| US6552609B2 | Signal distortion compensating apparatus and method | Electricity | 39 | Expired |
| US6853631B1 | Code-division multiplex communication transmitting apparatus and receiving apparatus and method thereof | Electricity | 38 | Expired |
| US6009090A | Code multiplexing wireless apparatus | Electricity | 33 | Expired |
| US6058138A | Radio reception system providing improved transmission quality | Electricity | 32 | Expired |
| US6980604B2 | Transmission device and transmission method | Electricity | 30 | Expired |
| US6108548A | Mobile station and soft handoff method | Electricity | 30 | Expired |
| US6563859B1 | Receiver and receiving method in multi-carrier spread-spectrum communications | Electricity | 29 | Expired |
| US7012969B2 | Distortion compensating apparatus | Electricity | 27 | Expired |
| US6081698A | Radio apparatus and offset compensating method | Electricity | 27 | Expired |
| US6496474B1 | Spread encoding device and method | Electricity | 25 | Expired |
| US6907085B2 | Activation method of communications apparatus with a non-linear distortion compensation device | Electricity | 24 | Expired |
| US6442218B1 | Demodulator | Electricity | 24 | Expired |
| US6757525B1 | Distortion compensating apparatus | Electricity | 21 | Expired |
| US7663436B2 | Power amplifier with distortion compensation circuit | Electricity | 18 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.