Toru Kitayama
36Patents
9h-index
51Co-inventors
78Inventor score
Filing activity: Feb 19, 1992 → Sep 26, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6703549B1 | Performance data generating apparatus and method and storage medium | Physics | 42 | Expired |
| US6392135B1 | Musical sound modification apparatus and method | Physics | 30 | Expired |
| US5519167A | Musical tone synthesizing apparatus | Physics | 30 | Expired |
| US6021763A | Fuel supply apparatus for a direct injection gasoline internal combustion engine | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US7102072B2 | Apparatus and computer program for detecting and correcting tone pitches | Physics | 18 | Expired |
| US5998724A | Tone synthesizing device and method capable of individually imparting effect to each tone to be generated | Physics | 14 | Expired |
| US5770812A | Software sound source with advance synthesis of waveform | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6895912B2 | Variable valve control apparatus for engine and method thereof | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5442130A | Musical tone synthesizing apparatus using comb filter | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5359146A | Musical tone synthesizing apparatus having smoothly varying tone control parameters | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6382184B2 | Device for controlling fuel pressure of engine and method thereof | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5382751A | Electronic musical instrument including a configurable tone synthesizing system | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6450148B2 | Fuel pressure control device of engine | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5373098A | Device for generating tone signals using modulation | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5525142A | Electronic musical instrument capable of controlling musical tone characteristics on a real-time basis | Physics | 7 | Expired |
| US5427069A | Apparatus and method for fuel injection timing control of an internal combustion engine | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8865994B2 | Electronic music system | Physics | 6 | Active |
| US7859533B2 | Data processing apparatus and parameter generating apparatus applied to surround system | Electricity | 5 | Active |
| US7888580B2 | Electronic musical system and control method for controlling an electronic musical apparatus of the system | Physics | 5 | Active |
| US7102068B2 | Waveform data analysis method and apparatus suitable for waveform expansion/compression control | Physics | 4 | Expired |
| US5536903A | Musical tone synthesizing apparatus having a loop circuit | Physics | 4 | Expired |
| US5426262A | Electronic musical instrument capable of simulating small pitch variation at initiation of musical tone generation | Physics | 4 | Expired |
| US8401721B2 | Variable valve actuating apparatus, valve phase varying apparatus and control apparatus for internal combustion engine | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US6175073A | Tone synthesizing device and method based on physical model tone generator | Physics | 1 | Expired |
| US8874800B2 | Parameter management apparatus for acoustic apparatus | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.