Assignee
MAGNEPAN INC
US·4 granted patents·309 citations·filing 1979–1982
Technology mixH04R4
Top patents by PatentIndex Score
4 records- 0190US4210786AMagnetic field structure for planar speakerMAGNEPAN INC·Filed 1979·Granted Jul 1, 1980·77 cites·10 claims
- 0286US4471173APiston-diaphragm speakerMAGNEPAN INC·Filed 1982·Granted Sep 11, 1984·82 cites·28 claims
- 0385US4471172APlanar diaphragm transducer with improved magnetic circuitMAGNEPAN INC·Filed 1982·Granted Sep 11, 1984·79 cites·16 claims
- 0483US4480155ADiaphragm type magnetic transducerMAGNEPAN INC·Filed 1982·Granted Oct 30, 1984·71 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →