Kohei Asada
167Patents
13h-index
103Co-inventors
89Inventor score
Filing activity: Sep 8, 1999 → Nov 3, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6807281B1 | Loudspeaker and method of driving the same as well as audio signal transmitting/receiving apparatus | Electricity | 48 | Expired |
| US7096080B2 | Method and apparatus for producing and distributing live performance | Electricity | 39 | Expired |
| US9615173B2 | Information processing system and storage medium | Electricity | 36 | Active |
| US8218782B2 | Headphone device, signal processing device, and signal processing method | Physics | 25 | Active |
| US7881479B2 | Audio processing method and sound field reproducing system | Electricity | 19 | Active |
| US6731764B2 | Speaker apparatus and electronic apparatus having speaker apparatus enclosed therein | Electricity | 18 | Expired |
| US8107637B2 | Signal processing device and signal processing method | Physics | 18 | Active |
| US10812926B2 | Sound output device, sound generation method, and program | Electricity | 16 | Active |
| US8184823B2 | Headphone device, sound reproduction system, and sound reproduction method | Physics | 15 | Active |
| US9232308B2 | Headphone device, wearing state detection device, and wearing state detection method | Electricity | 14 | Active |
| US8634565B2 | Audio signal processing apparatus, audio signal processing method, and program | Physics | 14 | Active |
| US7822496B2 | Audio signal processing method and apparatus | Electricity | 13 | Expired |
| US7734054B2 | Acoustic apparatus, connection polarity determination method, and recording medium | Electricity | 13 | Active |
| US7933421B2 | Sound-field correcting apparatus and method therefor | Electricity | 13 | Active |
| US9256284B2 | Information processing apparatus and recording medium | Physics | 13 | Active |
| US7869611B2 | Test tone determination method and sound field correction apparatus | Electricity | 12 | Active |
| US8401205B2 | Noise canceling system and noise canceling method | Electricity | 12 | Active |
| US9810926B2 | Pair of contact lenses, contact lens and storage medium | Physics | 10 | Active |
| US10685641B2 | Sound output device, sound output method, and sound output system for sound reverberation | Electricity | 10 | Active |
| US7592941B2 | Signal processing apparatus and signal processing method | Physics | 10 | Active |
| US9245389B2 | Information processing apparatus and recording medium | Electricity | 9 | Active |
| US8204241B2 | Sound outputting apparatus, sound outputting method, sound output processing program and sound outputting system | Electricity | 8 | Active |
| US8094046B2 | Signal processing apparatus and signal processing method | Electricity | 8 | Active |
| US8111831B2 | Acoustic apparatus, time delay computation method, and recording medium | Electricity | 8 | Active |
| US7813514B2 | Apparatus and method for checking loudspeaker | Electricity | 8 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.