Ryuichi Yamaguchi
11Patents
6h-index
15Co-inventors
63Inventor score
Filing activity: Jun 6, 1990 → Dec 22, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5047949A | Standard cell LSI layout method | Electricity | 25 | Expired |
| US5568635A | Physical memory allocation system, program execution scheduling system, and information processor | Physics | 24 | Expired |
| US6507936B2 | Timing verifying method | Physics | 15 | Expired |
| US5598217A | Circuit for executing an interpolation processing on a sub-sampled image signal | Electricity | 12 | Expired |
| US6292928A | Line path determining method and delay estimating method | Physics | 10 | Expired |
| US5761081A | Method of evaluating signal propagation delay in logic integrated circuit | Physics | 6 | Expired |
| US5894421A | Method and apparatus for calculating slew rates and signal propagation times for signal waveforms | Physics | 5 | Expired |
| US5468894A | Method of manufacturing FSi(OR).sub.3 | Chemistry; Metallurgy | 5 | Expired |
| US6516454B1 | Method of estimating time delay | Physics | 4 | Expired |
| US9536526B2 | Electronic device with speaker identification, method and storage medium | Physics | 0 | Active |
| US10592198B2 | Audio recording/playback device | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.