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HEADWAY TECH INC

Overview
  • Total Patents
    283
  • GoodIP Patent Rank
    6,531
  • Filing trend
    ⇧ 83.0%
About

HEADWAY TECH INC has a total of 283 patent applications. It increased the IP activity by 83.0%. Its first patent ever was published in 2006. It filed its patents most often in United States, EPO (European Patent Office) and Japan. Its main competitors in its focus markets audio-visual technology, semiconductors and computer technology are SASAKI YOSHITAKA, RICOH GEN ELECTRON RES INST and HEADWAY TECHNOLOGIES INC.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Jan Guenole 66
#2 Tong Ru-Ying 57
#3 Wang Yu-Jen 45
#4 Tang Yuhui 44
#5 Liu Huanlong 34
#6 Wu Yan 33
#7 Zhu Jian 31
#8 Lee Yuan-Jen 30
#9 Liu Ying 29
#10 Li Min 28

Latest patents

Publication Filing date Title
US2021090594A1 Writer with Narrower High Moment Trailing Shield
US10937450B1 Magnetic flux guiding device with spin torque oscillator (STO) film having one or more negative spin polarization layers in assisted writing application
US10872628B1 Near-field transducer with Au nano rod
US10991391B1 Circuits and methods for modifying the write current waveform to improve track density in HDD
US10916263B1 Split yoke design for high data rate TAMR writer head structure
US10916261B1 True one turn (T1T) perpendicular magnetic recording (PMR) writer designs
US2021104663A1 Novel Integration Scheme for Three Terminal Spin-Orbit-Torque (SOT) Switching Devices
US2021083180A1 Ion Beam Etching Process Design to Minimize Sidewall Re-Deposition
US10770104B1 Alternative designs for magnetic recording assisted by a single spin hall effect (SHE) layer in the write gap
US10714136B1 Alternative designs for magnetic recording assisted by two spin hall effect (SHE) layers in the write gap
US2021074318A1 Spin Injection Assisted Magnetic Recording
US10522174B1 Magnetic flux guiding device with antiferromagnetically coupled (AFC) spin polarizer in assisted writing application
US2021056988A1 Design of Reader Noise Reduction Using Spin Hall Effects
US2021056987A1 Spin Transfer Torque Oscillator (STO) with Spin Torque Injection to a Flux Generating Layer (FGL) from Two Sides
US10861486B1 Writer with narrower high moment trailing shield
US2021012793A1 Writer with HMTS (High Moment Trailing Shield) Aligned with Spin Layer
US10714132B1 Magnetic flux guiding devices all around main pole design without leading shield and side shields in assisted writing applications
US10714127B1 Shape designs of magnetic flux guiding devices all around the main pole in assisted writing applications
US2020403149A1 Magnetic Element with Perpendicular Magnetic Anisotropy (PMA) and Improved Coercivity Field (Hc)/Switching Current Ratio
US2020403143A1 Minimal Thickness, Low Switching Voltage Magnetic Free Layers Using an Oxidation Control Layer and Magnetic Moment Tuning Layer for Spintronic Applications