Ken Kutaragi
73Patents
15h-index
38Co-inventors
84Inventor score
Filing activity: Mar 10, 1978 → Apr 6, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6314483A | Portable electronic device | Human Necessities | 167 | Expired |
| US7895076B2 | Advertisement insertion, profiling, impression, and feedback | Electricity | 109 | Active |
| US5086475A | Apparatus for generating, recording or reproducing sound source data | Physics | 91 | Expired |
| US5111530A | Digital audio signal generating apparatus | Physics | 59 | Expired |
| US4584598A | Electronic camera | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4485380A | Liquid crystal matrix display device | Physics | 42 | Expired |
| US6122739A | Digital compact disc player security system reproducing method and apparatus | Physics | 38 | Expired |
| US8863183B2 | Server system for real-time moving image collection, recognition, classification, processing, and delivery | Electricity | 28 | Active |
| US5762723A | Pearlitic steel rail having excellent wear resistance and method of producing the same | Chemistry; Metallurgy | 21 | Expired |
| US5430241A | Signal processing method and sound source data forming apparatus | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4622602A | System for recording and/or reproducing digital data | Physics | 20 | Expired |
| US7687711B2 | Electronic device | Physics | 19 | Expired |
| US4210934A | Video display apparatus having a flat X-Y matrix display panel | Physics | 18 | Expired |
| US6304971A | Digital compact disc player security system reproducing method and apparatus | Physics | 18 | Expired |
| US4183025A | Level indicating system | Physics | 16 | Expired |
| US5519166A | Signal processing method and sound source data forming apparatus | Emerging Cross-Sectional Technologies | 15 | Expired |
| USD532784S1 | Arithmetic and control unit | General | 15 | Expired |
| USD562323S1 | Controller for arithmetic and control unit | General | 15 | Expired |
| US4719523A | Synchronizing signal detecting circuit | Electricity | 13 | Expired |
| US5257254A | Apparatus for controlling CD audio player to playback CD-ROM | Electricity | 13 | Expired |
| USD534166S1 | Arithmetic and control unit | General | 13 | Expired |
| US5148292A | Apparatus for effectively compressing video data representing a relatively simple image having strong area correlation | Electricity | 12 | Expired |
| US4609949A | Magnetic disc reproducing apparatus | Physics | 12 | Expired |
| USD568311S1 | Arithmetic and control unit | General | 11 | Expired |
| US4205311A | Liquid crystal display device | Physics | 11 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.