Patent assignee · US · COMPANY

Micro Computer Systems, Inc.

11Patents
0Active
11Granted
28Portfolio score

Filing activity: May 14, 1979 → Dec 11, 1998

Most-cited patents

PatentTitleAreaCited byStatus
US6442592B1 Message center system Electricity 121 Expired
US4285016A Disc, tape and hybrid disc-tape memory apparatus and drive assembly Physics 42 Expired
US4354211A Magnetic tape apparatus Physics 19 Expired
US4300176A Fixed disc head actuator assembly Physics 19 Expired
US5982239A Phase locked loop circuit and a picture reproducing device Electricity 11 Expired
US4489221A Telephone line/subscriber equipment disconnect apparatus Electricity 10 Expired
US4308593A Interchangeable magnetic bubble memory Physics 6 Expired
US4408317A Magnetic tape apparatus Physics 4 Expired
US4428011A Vented magnetic tape read head Physics 3 Expired
US4274608A Tape transport Physics 2 Expired
US4451861A Magnetic tape apparatus having means for leading magnetic tape from a supply reel to a take-up reel Physics 2 Expired

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