Ryuji Usami
8Patents
6h-index
9Co-inventors
48Inventor score
Filing activity: Aug 1, 1988 → Dec 22, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5319151A | Data processing apparatus outputting waveform data in a certain interval | Physics | 34 | Expired |
| US5200564A | Digital information processing apparatus with multiple CPUs | Physics | 30 | Expired |
| US5726371A | Data processing apparatus outputting waveform data for sound signals with precise timings | Physics | 16 | Expired |
| US5007323A | Polyphonic electronic musical instrument | Physics | 15 | Expired |
| US5584034A | Apparatus for executing respective portions of a process by main and sub CPUS | Physics | 13 | Expired |
| US5691493A | Multi-channel tone generation apparatus with multiple CPU's executing programs in parallel | Physics | 9 | Expired |
| US5054358A | Polyphonic electronic musical instrument | Physics | 5 | Expired |
| US5883611A | Image controller having printer | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.