Inventor · Iisalmi, FI

Ari Varla

6Patents
5h-index
6Co-inventors
52Inventor score

Filing activity: May 5, 1997 → Jul 24, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
USD521494S1 Loudspeaker General 18 Expired
US6795557B1 Sound reproduction equipment and method for reducing the level of acoustical reflections in a room Physics 15 Expired
USD391260S Speaker General 10 Expired
US6373956B1 Method and arrangement for attenuating mechanical resonance in a loudspeaker Electricity 9 Expired
US8660279B2 Nested compound loudspeaker drive unit Electricity 6 Active
US8452032B2 Nested compound loudspeaker drive unit Electricity 1 Active

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