Denon, Ltd.
20Patents
0Active
20Granted
30Portfolio score
Filing activity: Jun 16, 1998 → Sep 25, 2003
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6919771B2 | Digital amplifier | Electricity | 163 | Expired |
| USD496922S1 | Digital audio disk player | General | 27 | Expired |
| USD469751S1 | Digital audio disk player | General | 8 | Expired |
| US6816453B1 | Communication system using orthogonal frequency division multiplexed signal | Electricity | 8 | Expired |
| US6483855B1 | Communication content recording apparatus and method | Electricity | 7 | Expired |
| US6985418B2 | Optical disk reproducing apparatus | Physics | 7 | Expired |
| US6967527B2 | Pulse width modulation amplifier | Electricity | 7 | Expired |
| US6754150B1 | Contents data reproducing apparatus | Physics | 6 | Expired |
| US6515948B1 | Data recording and reproducing apparatus | Physics | 4 | Expired |
| US6680931B1 | Data multiplex broadcasting method, data multiplex broadcasting system, receiving device, and recording device | Electricity | 4 | Expired |
| US6600700B1 | Digital audio disc recorder | Electricity | 3 | Expired |
| US6490109B1 | Data storage device | Physics | 3 | Expired |
| US6445876B1 | Image reproduction apparatus | Physics | 3 | Expired |
| US6771582B1 | Control dial and optical disk apparatus having the control dial | Electricity | 3 | Expired |
| US6842417B1 | Audio system | Physics | 1 | Expired |
| US6791909B2 | Optical disc reproducing apparatus | Physics | 1 | Expired |
| US6650600B1 | Digital audio disc recorder | Physics | 1 | Expired |
| US6973019B2 | Recording medium reproducing apparatus | Physics | 0 | Expired |
| US6951024B2 | Optical disk reproducing apparatus and reproducing method | Physics | 0 | Expired |
| US7072882B2 | Apparatus for reproducing video, still images, audio and text from data based upon a processing order | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.