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HITACHI GLOBAL STORAGE TECH

Overview
  • Total Patents
    4,664
About

HITACHI GLOBAL STORAGE TECH has a total of 4,664 patent applications. Its first patent ever was published in 1994. It filed its patents most often in United States, Japan and China. Its main competitors in its focus markets audio-visual technology, machines and micro-structure and nano-technology are HITACHI GLOBAL STORAGE TECH NL, HEADWAY TECHNOL INC and WESTERN DIGITAL FREMONT LLC.

Patent filings in countries

World map showing HITACHI GLOBAL STORAGE TECHs patent filings in countries

Patent filings per year

Chart showing HITACHI GLOBAL STORAGE TECHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gill Hardayal Singh 135
#2 Kurita Masayuki 79
#3 Pinarbasi Mustafa Michael 76
#4 Le Quang 71
#5 Maat Stefan 70
#6 Lille Jeffrey S 66
#7 Nikitin Vladimir 62
#8 Hsu Yimin 59
#9 Pentek Aron 58
#10 Maruyama Yoji 55

Latest patents

Publication Filing date Title
CN102890954A Base design of magnetic disk drive
CN102820039A Perpendicular magnetic recording disk with multiple magnetic layers and intermediate dual nucleation films for control of grain size
CN102573282A Power and ground planes having modified resonance frequencies
CN102543104A Interleaved conductor structure
CN102543105A Interleaved conductor structure
JP2012133869A Interleaved conductor structure
JP2012123896A Integrated lead suspension (ils) for use with dual stage actuator (dsa)
JP2012133863A Improved write head pole laminate structure
JP2012133861A Magnetic head, method of manufacturing the same, and magnetic recording system
JP2012123895A Patterned perpendicular magnetic recording medium, magnetic recording disk drive, tar magnetic recording disk drive, and patterned perpendicular magnetic recording disk
JP2012123894A Perpendicular magnetic recording head with domain controlled side shield
JP2012133860A Hard-disk drive and head slider
JP2012133859A Nickel chromium as seed stack for film growth of gap layer separating magnetic main pole or shield layer
JP2012113806A Process to make pmr writer with leading edge shield (les) and leading edge taper (let)
JP2012109007A Contact detection between disk and magnetic head
JP2012113805A Thermally assisted magnetic write head employing plasmonic antenna comprising alloyed film to improve hardness and manufacturability of antenna
JP2012113804A Process to make pmr writer with leading edge shield (les) and leading edge taper (let)
JP2012109006A Noise and particle shield for contact sensor in slider
JP2012109005A System, method and apparatus for perpendicular magnetic recording media having decoupled control and graded anisotropy
JP2012113803A Write head fabricating method