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HEADWAY TECHNOLOGIES INC

Overview
  • Total Patents
    1,046
  • GoodIP Patent Rank
    23,755
  • Filing trend
    ⇧ 100.0%
About

HEADWAY TECHNOLOGIES INC has a total of 1,046 patent applications. It increased the IP activity by 100.0%. Its first patent ever was published in 1996. It filed its patents most often in United States, Japan and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets audio-visual technology, machines and micro-structure and nano-technology are HEADWAY TECH INC, SAE TECHNOLOGIES DEV DONGGUAN CO LTD and LIN TSANN.

Patent filings per year

Chart showing HEADWAY TECHNOLOGIES INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sasaki Yoshitaka 300
#2 Ito Hiroyuki 183
#3 Li Min 175
#4 Ju Kochan 120
#5 Tanemura Shigeki 115
#6 Han Cherng-Chyi 107
#7 Araki Hironori 105
#8 Zhang Kunliang 100
#9 Tong Ru-Ying 100
#10 Chen Mao-Min 85

Latest patents

Publication Filing date Title
US10748562B1 Third alternative design for magnetic recording assisted by one or two spin hall effect (SHE) layers in the write gap
US2020185454A1 MTJ patterning without etch induced device degradation assisted by hard mask trimming
US9299367B1 Perpendicular magnetic recording (PMR) writer with minimized internal flux shunting
US9361912B1 High moment side shield design for area density improvement of perpendicular magnetic recording (PMR) writer
US9361923B1 PP3 shape designs for shield domain control to improve either skip track erasure (STE) or write performance for perpendicular magnetic recording (PMR)
US8947986B1 Heat sink for thermally assisted magnetic recording (TAMR)
US9230571B1 MgO based perpendicular spin polarizer in microwave assisted magnetic recording (MAMR) applications
US2014349414A1 Method to reduce magnetic film stress for better yield
US9082433B1 PMR writer with patterned shields for adjacent track erasure improvement
US2015333254A1 Reduction of Barrier Resistance X Area (RA) Product and Protection of Perpendicular Magnetic Anisotropy (PMA) for Magnetic Device Applications
US9019803B1 Laminated plasmon generator with cavity process
US2015243306A1 Magnetic pole self-annealing with current injection in perpendicular magnetic recording (PMR)
US9053720B1 High moment wrap shields for magnetic read head to improve micro-magnetic read width
US8879208B1 Umbrella shield writer (UmSW) design for perpendicular magnetic recording (PMR)
US8848495B1 Plasmon generator self-annealing with current injection in TAMR
JP2014203507A Manufacturing method of plasmon generator
US2014037861A1 Method of forming a writer with an AFM write gap
WO2014043466A1 Improved storage element for stt mram applications
WO2014043465A1 Shield designs with internal magnetization control for ate improvement
US2015071044A1 Thermally-assisted magnetic recording head having a plasmon generator