Plantronics, Inc.
742Patents
490Active
742Granted
59Portfolio score
Filing activity: Jan 7, 1974 → Oct 24, 2022 · 105 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5191602A | Cellular telephone headset | Electricity | 272 | Expired |
| USD601134S1 | Earbud for a communications headset | General | 261 | Expired |
| US7965855B1 | Conformable ear tip with spout | Electricity | 207 | Active |
| USD462945S1 | Volume control for a communications headset | General | 203 | Expired |
| USD555152S1 | Communications headset | General | 192 | Expired |
| USD517528S1 | Headband and speaker for communications headset | General | 191 | Expired |
| USD499086S1 | Inline control module for communications headset adapter | General | 187 | Expired |
| USD518479S1 | Microphone boom for a communications headset | General | 184 | Expired |
| USD641010S1 | Communications earbud | General | 178 | Expired |
| US7211986B1 | Inductive charging system | Electricity | 173 | Expired |
| US7359504B1 | Method and apparatus for reducing echo and noise | Electricity | 143 | Expired |
| USD578508S1 | Communications headset | General | 141 | Expired |
| USD505132S1 | Ear cone for a communications headset | General | 141 | Expired |
| USD540303S1 | Communications headset | General | 137 | Expired |
| US4917504A | Communications headset | Electricity | 133 | Expired |
| USD589492S1 | Communications headset | General | 126 | Expired |
| USD540778S1 | Communications headset | General | 123 | Expired |
| USD514087S1 | Communications headset | General | 119 | Expired |
| USD604722S1 | Communications headset | General | 119 | Expired |
| USD505413S1 | Microphone boom for a communications headset | General | 116 | Expired |
| USD541256S1 | Communications headset | General | 116 | Expired |
| US7457649B1 | Headset charging station | Electricity | 111 | Active |
| USD602001S1 | Communications headset | General | 110 | Expired |
| USD514086S1 | Communications headset | General | 109 | Expired |
| US4720857A | Miniaturized headset for two-way voice communication | Electricity | 107 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.