Inventor · Buncrana, IE

Alan Johnston

9Patents
6h-index
23Co-inventors
59Inventor score

Filing activity: Oct 23, 1997 → Nov 5, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US6807027B2 Ruthenium as non-magnetic seedlayer for electrodeposition Physics 21 Expired
US7233457B2 Head for perpendicular recording with reduced erasure Physics 21 Expired
US6456460B1 Track width definition by patterning of shared pole for integrated thin film/magnetoresistive head Physics 18 Expired
US6222702A Magnetic read element shield having dimensions that minimize domain wall movement Physics 15 Expired
US5986856A Magnetoresistive sensor with improved stability Physics 14 Expired
US6597545B2 Shield design for magnetoresistive sensor Physics 7 Expired
US8194508B2 Waveform based bit detection for bit patterned media Physics 5 Active
US7835110B2 MEMS disc drive Physics 3 Active
US7826171B2 Interconnect architecture for disc drive array Physics 3 Active

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