Patent assignee · CN · COMPANY

Alco Electronics Limited

27Patents
7Active
27Granted
32Portfolio score

Filing activity: Jan 13, 1995 → Dec 4, 2019 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
USD639273S1 Docking speaker for media player General 27 Expired
USD632670S1 Docking speaker for media player General 10 Expired
USD639272S1 Docking speaker for media player General 10 Expired
USD442936S CD/cassette player General 9 Expired
US5699338A Compact disc drive Physics 8 Expired
US6128265A Portable disc player Physics 8 Expired
US8488832B2 Docking station for media player Physics 7 Active
US8773845B2 Docking station for media player Physics 7 Active
USD632279S1 Docking speaker for media player General 6 Expired
USD441737S CD/cassette player General 5 Expired
USD442159S CD/cassette player General 4 Expired
US7123715B2 Telephone apparatus Electricity 3 Expired
USD442572S CD/cassette player General 3 Expired
USD626529S1 Disc player General 2 Expired
USD545783S1 Television set General 2 Expired
USD949128S1 Speaker General 2 Active
US6373804B1 CD/cassette playing mechanism Physics 2 Expired
US6064636A Multiple medium-storage disc changer Physics 2 Expired
US6901597B2 Multiple disc player Physics 2 Expired
US7587726B2 Display with disc player Physics 2 Active
USD632669S1 Docking speaker for media player General 2 Expired
USD568272S1 Video/audio disc player General 1 Expired
US5621718A Compact disc playing mechanism having first and second operating positions Physics 1 Expired
US8504182B2 Media player Electricity 1 Active
US9158337B2 Docking station with speakers for media player Electricity 1 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.