Inventor · Sagamihara, JP

Yosuke Seo

18Patents
11h-index
35Co-inventors
68Inventor score

Filing activity: Dec 20, 1984 → Jul 14, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5193034A Magnetic disk apparatus of constant-density recording type, magnetic disk used therefor and servo-writing device for patterning on the magnetic disk Physics 61 Expired
US4651242A Magnetic disk apparatus Physics 47 Expired
US6590729B1 Magnetic disk drive with servo signal decoder using amplitude detection and phase detection system Physics 39 Expired
US6131142A Disk system and power-on sequence for the same Physics 37 Expired
US5568331A Method of head positioning and magnetic recording disk drive using the same Physics 36 Expired
US6012124A Disk system with activation control of disk drive motors Physics 29 Expired
US5572699A Variable length data in a parallel disk array Physics 26 Expired
US5673412A Disk system and power-on sequence for the same Physics 17 Expired
US5132854A High speed seek sector servo magnetic disk drive unit Physics 15 Expired
US6286108A Disk system and power-on sequence for the same Physics 15 Expired
US5548454A Information recording disk, its production method and recording apparatus Physics 11 Expired
US6898047B2 Magnetic disk drive for compensating repeatable runout error Physics 11 Expired
US5748398A Method for writing servo signals onto a magnetic disk and magnetic disk drive equipped with magnetic disk(s) having servo pattern recorded by the method Physics 9 Expired
US4707755A Optical read-out magnetic head Physics 8 Expired
US4851939A Actuator driving apparatus and magnetic disk drive system with a smaller number of high power amplifiers than actuators Physics 6 Expired
US5325364A Method for error correction and circuit for realizing same Physics 5 Expired
US6625690B2 Disk system and power-on sequence for the same Physics 4 Expired
US7242656B2 Disk system and power-on sequence for the same Physics 1 Expired

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