LexDanaLexDanabeta
Inventor

Tong Zhao

Inventor
Eden Prairie, MN, US

Overview

151→
Patents
2001–2021
Patent span
Physics
Primary field (CPC G)

Patents· 151 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer27%
B82YSpecific uses or applications of nanostructures11%
Y10TTechnical subjects covered by former us classification11%
H10NElectric solid-state devices not otherwise provided for9%
G01RMeasuring electric variables8%
H01FMagnets7%
G11CStatic stores3%
C23CCoating metallic material2%
H01LSemiconductor devices1%
G02BOptical elements, systems or apparatus1%
PatentTitleYear
11,050,485High-precision and large-dynamic-range fault monitoring device and method for WDM-PON202111,041,820Magnetic holder for immunoelectron microscopy grids202111,041,784Dual-arm clamping type holder for transmission electron microscopy grids and preparation method thereof202110,852,177Calibration apparatus and sensitivity determining module for virtual flow meter and associated methods202010,839,130Metal layer routing based on grid regions202010,824,636Mechanisms for querying disparate data storage systems202010,699,732Devices including a diffusion barrier layer202010,699,740Materials for near field transducers, near field tranducers containing same, and methods of forming202010,580,440Devices including a diffusion barrier layer202010,580,439Devices including at least one multilayer adhesion layer202010,580,122Method and system for image enhancement202010,561,865Smart mask, method, smart mask and apparatus for calculating pollutant absorption quantity202010,547,173Power generation system202010,519,540Near field transducer having secondary atom higher concentration at bottom of the peg201910,510,364Devices including a near field transducer (NFT) with nanoparticles201910,482,914Materials for near field transducers and near field transducers containing same201910,431,244Devices including a near field transducer (NFT) including peg and disc from different materials201910,403,310Hyperbolic metamaterial-based near-field transducer for heat assisted magnetic recording head201910,364,165Method for generating hydroxyl radical and removing organic pollutants in water by utilizing an organic membrane201910,311,906Near field transducers (NFTS) including barrier layer and methods of forming201910,304,482Devices including an overcoat layer201910,229,704Multipiece near field transducers (NFTS)201910,217,482Devices including a near field transducer and at least one associated adhesion layer201910,190,210Near-field transducer having at least one secondary atom201910,192,574Devices including a diffusion barrier layer201910,137,732Universal wheel assembly and suitcase201810,109,303Devices including a near field transducer (NFT), at least one cladding layer and interlayer there between201810,102,872Devices including at least one multilayer adhesion layer201810,102,720Vehicle alarming method, device, and storage medium201810,069,303Power generation system and method with energy management201810,068,592Devices including a NFT having at least one amorphous alloy layer201810,062,401Near field transducers (NFTS) including a protective layer and methods of forming201810,037,771Near field transducer (NFT) including peg and disc of different materials201810,026,421Hyperbolic metamaterial-based near-field transducer for heat assisted magnetic recording head201810,014,011Methods of forming materials for at least a portion of a NFT and NFTs formed using the same20189,895,983'Propulsion system and method for driving a vehicle'20189,865,283'Devices including a near field transducer (NFT) including peg and disc from different materials'20189,852,748Devices including a NFT having at least one amorphous alloy layer20179,824,709'Near field transducers (NFTS) including barrier layer and methods of forming'20179,822,444'Near-field transducer having secondary atom higher concentration at bottom of the peg'20179,805,757'HAMR NFT materials with improved thermal stability'20179,799,353'Devices including at least one adhesion layer and methods of forming adhesion layers'20179,792,931'Devices including a difussion barrier layer'20179,767,832'Devices including a near field transducer (NFT), at least one cladding layer and interlayer there between'20179,747,939'Devices including near field transducer and adhesion layer'20179,741,381'Near field transducers (NFTs) including a protective layer and methods of forming'20179,728,208'Methods of forming materials for at least a portion of a NFT and NFTs formed using the same'20179,728,209'Thermally robust near-field transducer peg'20179,721,593'Near field transducer (NFT) including peg and disc of different materials'20179,672,848'Multipiece near field transducers (NFTS)'20179,666,220'Devices including a near field transducer and at least one associated adhesion layer'20179,643,513'Propelling system and energy management system and methods'20179,601,135'Interlayer for device including NFT and cladding layers'20179,577,184'TMR device with novel free layer structure'20179,508,365'Magnetic reader having a crystal decoupling structure'20169,502,054'Devices including at least one intermixing layer'20169,502,070'Materials for near field transducers, near field tranducers containing same, and methods of forming'20169,484,049'TMR device with novel free layer'20169,437,812'TMR device with novel free layer structure'20169,304,252'Layered optical waveguide and near field transducer'20169,305,575'Heat assisted magnetic recording heads having bilayer heat sinks'20169,281,003'Devices including near field transducer and adhesion layers'20169,281,002'Materials for near field transducers and near field transducers containing same'20169,267,085'Systems and methods for processing solid powders'20169,269,380'Devices including a near field transducer (NFT), at least one cladding layer and interlayer there between'20169,267,831'Systems and methods for determining a real time solid flow rate in a solid-gas mixture'20169,251,837'HAMR NFT materials with improved thermal stability'20169,251,820'Near field transducer and heat sink design for heat assisted magnetic recording'20169,245,573'Methods of forming materials for at least a portion of a NFT and NFTs formed using the same'20169,224,416'Near field transducers including nitride materials'20159,218,829'Devices including at least one intermixing layer'20159,214,170'TMR device with low magnetostriction free layer'20159,153,277'Near field transducer having sacrificial structure'20159,147,408'Heated AFM layer deposition and cooling process for TMR magnetic recording sensor with high pinning field'20159,129,620'Devices including at least one adhesion layer and methods of forming adhesion layers'20159,122,280'Control systems and methods for controlling a dry feed system to convey a solid fuel'20159,064,515'Near field transducer and heat sink design for heat assisted magnetic recording'20159,040,178'TMR device with novel free layer structure'20159,034,564'Reader fabrication method employing developable bottom anti-reflective coating'20159,021,685'Two step annealing process for TMR device with amorphous free layer'20159,013,016'MR device with synthetic free layer structure'20158,976,634'Devices including at least one intermixing layer'20158,969,135'Semiconductor device and method of assembling same'20158,971,161'Devices including at least one adhesion layer and methods of forming adhesion layers'20158,963,460'Method and system for controlling motor'20158,945,731'Interlayer for device including NFT and cladding layers'20158,934,198'Recording head including NFT and heatsink'20158,902,719'Heat assisted magnetic recording heads having bilayer heat sinks'20148,842,391'Recording head including a near field transducer'20148,804,468'Layered near-field transducer'20148,747,629'TMR device with novel free layer'20148,728,333'Method to fabricate small dimension devices for magnetic recording applications'20148,681,595'Layered optical waveguide and near field transducer'20148,670,215'Recording head for heat assisted magnetic recording with diffusion barrier surrounding a near field transducer'20148,659,292'MR sensor with flux guide enhanced hard bias structure'20148,653,615'MR device with synthetic free layer structure'20148,557,407'Low resistance tunneling magnetoresistive sensor with natural oxidized double MgO barrier'20138,514,673'Layered near-field transducer'20138,477,454'Recording head for heat assisted magnetic recording with diffusion barrier surrounding a near field transducer'20138,472,151'TMR device with low magnetorestriction free layer'20138,456,781'TMR device with novel free layer structure'20138,427,925'HAMR NFT materials with improved thermal stability'20138,385,027'TMR device with novel free layer structure'20138,339,754'TMR or CPP structure with improved exchange properties'20128,339,740'Recording head for heat assisted magnetic recording with diffusion barrier surrounding a near field transducer'20128,337,676'Low resistance tunneling magnetoresistive sensor with natural oxidized double MgO barrier'20128,335,105'Magnetic memory cell'20128,325,448'Pinning field in MR devices despite higher annealing temperature'20128,289,663'Ultra low RA (resistance x area) sensors having a multilayer non-magnetic spacer between pinned and free layers'20128,259,420'TMR device with novel free layer structure'20128,227,701'Reconfigurable electric circuitry and method of making same'20128,202,572'TMR device with improved MgO barrier'20128,164,862'Seed layer for TMR or CPP-GMR sensor'20128,105,703'Process for composite free layer in CPP GMR or TMR device'20128,059,374'TMR device with novel free layer structure'20118,035,931'Tunneling magneto-resistive spin valve sensor with novel composite free layer'20118,031,445'Low noise magneto-resistive sensor utilizing magnetic noise cancellation'20118,008,740'Low resistance tunneling magnetoresistive sensor with composite inner pinned layer'20118,000,215'Voltage pattern for ferroelectric recording head'20117,986,498'TMR device with surfactant layer on top of CoFexBy/CoFez inner pinned layer'20117,983,011'AP1 layer for TMR device'20117,978,439'TMR or CPP structure with improved exchange properties'20117,950,136'Process of making an improved AP1 layer for a TMR device'20117,916,513'Non-destructive read back for ferroelectric data storage device'20117,876,661'Non-destructive readback for ferroelectric material'20117,861,401'Method of forming a high performance tunneling magnetoresistive (TMR) element'20117,838,066'Ferroelectric media with robust servo marks and storage areas with low leakage current'20107,829,963'TMR device with Hf based seed layer'20107,821,808'Multilayer ferroelectric data storage system with regenerative read'20107,796,494'Asymmetric write for ferroelectric storage'20107,792,009'Ferroelectric polarization pattern with differing feedback signals'20107,780,820'Low resistance tunneling magnetoresistive sensor with natural oxidized double MgO barrier'20107,742,261'Tunneling magneto-resistive spin valve sensor with novel composite free layer'20107,672,088'Heusler alloy with insertion layer to reduce the ordering temperature for CPP, TMR, MRAM, and other spintronics applications'20107,646,568'Ultra thin seed layer for CPP or TMR structure'20107,602,033'Low resistance tunneling magnetoresistive sensor with composite inner pinned layer'20097,602,590'Tunneling magneto-resistive spin valve sensor with novel composite free layer'20097,564,658'CoFe insertion for exchange bias and sensor improvement'20097,538,987'CPP spin-valve element'20097,528,457'Method to form a nonmagnetic cap for the NiFe(free) MTJ stack to enhance dR/R'20097,497,007'Process of manufacturing a TMR device'20097,476,954'TMR device with Hf based seed layer'20097,431,961'Composite free layer for CIP GMR device'20087,390,530'Structure and process for composite free layer in CPP GMR device'20087,377,025'Method of forming an improved AP1 layer for a TMR device'20087,333,306'Magnetoresistive spin valve sensor with tri-layer free layer'20087,320,169'Self-pinned GMR structure by annealing'20087,110,478'Phase difference based frequency correction channel detector for wireless communication system'20067,092,377'Bi-directional time slot estimator for wireless communication system'20066,870,711'Double layer spacer for antiparallel pinned layer in CIP/CPP GMR and MTJ devices'20056,330,234'Method and apparatus for reducing current consumption'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2005–2015Patents assigned to HEADWAY TECHNOLOGIES INC (46)· patent assignee history
2005–2012Based in Milpitas, CA, US· patent location history
2008–2017Based in Fremont, CA, US· patent location history
2010–2020Patents assigned to SEAGATE TECHNOLOGY LLC (73)· patent assignee history
2011–2020Patents assigned to ZHAO TONG (30)· patent assignee history
2011–2015Patents assigned to LI MIN (19)· patent assignee history
2011–2015Patents assigned to ZHANG KUNLIANG (19)· patent assignee history
2011–2020Based in Eden Prairie, MN, US· patent location history
2015–2020Based in Shanghai, CN· patent location history
2018–2021Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEAGATE TECHNOLOGY LLC732010–2020
HEADWAY TECHNOLOGIES INC462005–2015
ZHAO TONGself302011–2020
LI MIN192011–2015
ZHANG KUNLIANG192011–2015
Locations
LocationPatentsSpan
Eden Prairie, Minnesota, US662011–2020
Fremont, California, US422008–2017
Milpitas, California, US122005–2012
Shanghai, CN102015–2020
Beijing, CN52018–2021