Kozo Okuda
24Patents
6h-index
35Co-inventors
69Inventor score
Filing activity: Sep 10, 1998 → Dec 21, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6449361B1 | Control method and device for echo canceller | Electricity | 47 | Expired |
| US6868157B1 | Echo canceling method, echo canceller and voice switch | Electricity | 22 | Expired |
| US6481748B1 | Counterweight for construction vehicle | Fixed Constructions | 21 | Expired |
| US8973692B1 | Work vehicle having reducing agent tank, battery and partition plate positioned between tank and battery | Emerging Cross-Sectional Technologies | 17 | Active |
| US9027688B2 | Reducing agent tank and work vehicle | Emerging Cross-Sectional Technologies | 6 | Active |
| US9382690B2 | Engine support mechanism with aftertreatment device | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US6442273B1 | Echo canceller and echo cancelling method | Electricity | 6 | Expired |
| US6735303B1 | Periodic signal detector | Electricity | 5 | Expired |
| US9074343B2 | Work vehicle | Emerging Cross-Sectional Technologies | 4 | Active |
| US7921816B2 | Control device for hydraulically driven fan | Emerging Cross-Sectional Technologies | 4 | Active |
| US8184160B2 | Image processor, driving assistance system, and out-of-position detecting method | Physics | 3 | Active |
| US9163380B2 | Hydraulic excavator | Emerging Cross-Sectional Technologies | 3 | Active |
| US10602257B1 | Methods and systems for wireless audio | Electricity | 2 | Active |
| US12039989B2 | Echo canceller with variable step-size control | Electricity | 1 | Active |
| US7505912B2 | Network telephone set and audio decoding device | Electricity | 1 | Expired |
| US11102569B2 | Methods and apparatus for a microphone system | Electricity | 1 | Active |
| US9758946B2 | Work vehicle | Emerging Cross-Sectional Technologies | 1 | Active |
| US9517552B2 | Filter remover | Emerging Cross-Sectional Technologies | 1 | Active |
| US8036376B2 | Echo prevention circuit having adaptive digital filter | Electricity | 0 | Active |
| US9726065B2 | Work vehicle | Emerging Cross-Sectional Technologies | 0 | Active |
| US8934621B2 | Echo prevention circuit having signal subtracter feature | Electricity | 0 | Active |
| US11509773B2 | Systems and methods of echo reduction | Electricity | 0 | Active |
| US8498862B2 | Speech signal processing apparatus | Electricity | 0 | Active |
| US12241225B2 | Work machine cooling unit fan housing | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.