Hidefumi Ito
8Patents
4h-index
29Co-inventors
57Inventor score
Filing activity: Jun 24, 1977 → Jul 23, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4599576A | Insulated gate type field effect semiconductor device and a circuit employing the device | Electricity | 33 | Expired |
| US4213140A | Insulated-gate semiconductor device | Electricity | 10 | Expired |
| US5706140A | Optical distance measuring equipment | Physics | 8 | Expired |
| US6147001A | Method of manufacturing semiconductor integrated circuit device | Electricity | 7 | Expired |
| US6731919B2 | Amplifier apparatus and method for controlling a local oscillator frequency based on the detected temperature of if bandpass filters | Electricity | 4 | Expired |
| US6271723A | Distortion compensating device | Electricity | 3 | Expired |
| US4138367A | Method of producing catalyst for conversion of carbon monoxide and hydrocarbons in engine exhaust gas | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7212584B2 | Distortion compensator | Electricity | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.