Patent assignee · US · COMPANY

Quantum Peripherals Colorado, Inc.

13Patents
0Active
13Granted
32Portfolio score

Filing activity: Feb 22, 1995 → Aug 3, 1998

Most-cited patents

PatentTitleAreaCited byStatus
US5668688A Current perpendicular-to-the-plane spin valve type magnetoresistive transducer Physics 179 Expired
US5608593A Shaped spin valve type magnetoresistive transducer and method for fabricating the same incorporating domain stabilization technique Physics 98 Expired
US5639509A Process for forming a flux enhanced magnetic data transducer Emerging Cross-Sectional Technologies 57 Expired
US5637235A Shaped spin valve type magnetoresistive transducer and method for fabricating the same incorporating domain stabilization technique Physics 41 Expired
US5532892A Soft adjacent layer biased magnetoresistive device incorporating a natural flux closure design utilizing coplanar permanent magnet thin film stabilization Physics 37 Expired
US5658469A Method for forming re-entrant photoresist lift-off profile for thin film device processing and a thin film device made thereby Emerging Cross-Sectional Technologies 31 Expired
US5485334A Magnetoresistive device and method having improved Barkhausen noise suppression Emerging Cross-Sectional Technologies 25 Expired
US5573809A Process for forming a magnetoresistive device Electricity 19 Expired
US5634260A Method of making a magnetoresistive device having improved Barkhausen noise suppression Emerging Cross-Sectional Technologies 13 Expired
US5936813A Giant magnetoresistive head with electron cured insulator Physics 13 Expired
US5847904A Magnetoresistive device incorporating conductor geometry providing substantially uniform current flow for improved magnetic stability Physics 10 Expired
US5734531A Magneto-resistive read/write head having a combination pole/shield Physics 9 Expired
US5970603A Method for processing magnetic read/write heads Emerging Cross-Sectional Technologies 6 Expired

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