Hidetoshi Ozaki
17Patents
7h-index
11Co-inventors
59Inventor score
Filing activity: Jan 16, 1985 → Apr 1, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4709269A | Noise reduction circuit for video signal | Electricity | 21 | Expired |
| US4721904A | Digital phase difference detecting circuit | Physics | 16 | Expired |
| US4912551A | Circuit for enhancing a color difference signal by utilizing the change of a luminance signal | Electricity | 8 | Expired |
| US4980755A | Circuit for enhancing a color difference signal by utilizing the change of a luminance signal | Electricity | 8 | Expired |
| US5585855A | Digital video signal coding circuit, digital signal decoding circuit | Electricity | 7 | Expired |
| US5642242A | Processing system for digital video signal | Electricity | 7 | Expired |
| US4766486A | Carrier chrominance signal processing circuit | Electricity | 7 | Expired |
| US4652922A | Noise reduction circuit for video signal | Electricity | 5 | Expired |
| US5121206A | Clock signal generator for video signal capable of generating a stable clock signal | Electricity | 4 | Expired |
| US4745492A | Video signal digital processing system using lower sampling frequency for chroma signal data decimation | Electricity | 4 | Expired |
| US5185657A | Color signal processing circuit with residual phase error correction | Electricity | 4 | Expired |
| US4853783A | Video signal processing circuit | Electricity | 4 | Expired |
| US5130787A | Color signal processing circuit with residue phase error correction | Electricity | 3 | Expired |
| US5021884A | Noise reducer circuit for video signal | Electricity | 3 | Expired |
| US4626934A | Cue signal recording circuit for magnetic recording and reproducing apparatus | Physics | 2 | Expired |
| US5481368A | Frequency demodulating apparatus with inversion compensation | Electricity | 1 | Expired |
| US5915065A | Magnetic recording and reproducing method | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.