Inventor · Marlborough, MA, US

Douglas J. Holmi

16Patents
6h-index
19Co-inventors
59Inventor score

Filing activity: Mar 21, 2000 → Jan 16, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7561706B2 Reproducing center channel information in a vehicle multichannel audio system Electricity 27 Active
US7653203B2 Vehicle audio system surround modes Electricity 24 Active
US7424127B1 Headrest surround channel electroacoustical transducing Electricity 13 Expired
US8090116B2 Vehicle directional electroacoustical transducing Electricity 10 Active
US9352701B2 Managing telephony and entertainment audio in a vehicle audio platform Electricity 7 Active
US7483539B2 Automobile audio system Electricity 6 Expired
US8031880B2 Vehicle audio system surround modes Electricity 6 Active
US7881488B2 In-plane speaker Electricity 4 Active
US7899198B2 Headrest surround channel electroacoustical transducing Electricity 3 Active
US7583806B2 Convertible automobile sound system equalizing Electricity 2 Expired
US9344788B2 Motor vehicle audio system Electricity 1 Active
US8098875B2 Headrest surround channel electroacoustical transducing Electricity 1 Active
US9602948B2 Motor vehicle audio system Electricity 0 Active
US9883286B2 Managing telephony and entertainment audio in a vehicle audio platform Electricity 0 Active
US10882461B2 Waveguide enabled externally ducted vehicle loudspeaker Electricity 0 Active
US10257613B2 Managing telephony and entertainment audio in a vehicle audio platform Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.