Yongjun Zhao

Person

Eden Prairie, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Heat-assisted recording head having mechanically robust subwaveleng...
- Patent number 11,664,051
- Issue date May 30, 2023
- Seagate Technology LLC
- Nan Zhou
- G11 - INFORMATION STORAGE
Information Patent Grant
Recessed hardmask used to form heat-assisted magnetic recording nea...
- Patent number 11,456,008
- Issue date Sep 27, 2022
- Seagate Technology LLC
- Anusha Natarajarathinam
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording head with focusing structure
- Patent number 11,373,679
- Issue date Jun 28, 2022
- Seagate Technology LLC
- Ruoxi Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording head with focusing structure
- Patent number 11,107,497
- Issue date Aug 31, 2021
- Seagate Technology LLC
- Ruoxi Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Near field transducers including electrodeposited plasmonic materia...
- Patent number 11,015,256
- Issue date May 25, 2021
- Seagate Technology LLC
- Lien Lee
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Near-field transducer with thermally robust peg embedded into an en...
- Patent number 10,832,717
- Issue date Nov 10, 2020
- Seagate Technology LLC
- Yuhang Cheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Waveguide having reflector for heat-assisted magnetic recording head
- Patent number 10,748,572
- Issue date Aug 18, 2020
- Seagate Technology LLC
- Ruoxi Yang
- G11 - INFORMATION STORAGE
Information Patent Grant
Near-field transducer with thermally robust peg embedded into an en...
- Patent number 10,410,664
- Issue date Sep 10, 2019
- Seagate Technology LLC
- Yuhang Cheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Near field transducers (NFTS) including barrier layer and methods o...
- Patent number 10,311,906
- Issue date Jun 4, 2019
- Seagate Technology LLC
- Martin Blaber
- G11 - INFORMATION STORAGE
Information Patent Grant
Recessed hardmask used to form HAMR NFT heat sink
- Patent number 10,224,064
- Issue date Mar 5, 2019
- Seagate Technology LLC
- Anusha Natarajarathinam
- G11 - INFORMATION STORAGE
Information Patent Grant
Devices including a near field transducer and at least one associat...
- Patent number 10,217,482
- Issue date Feb 26, 2019
- Seagate Technology LLC
- Vijay Karthik Sankar
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Methods of forming near field transducers (NFTS) and portions thereof
- Patent number 10,186,283
- Issue date Jan 22, 2019
- Seagate Technology LLC
- Sridhar Dubbaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Near field transducers including electrodeposited plasmonic materia...
- Patent number 10,100,422
- Issue date Oct 16, 2018
- Seagate Technology LLC
- Lien Lee
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Near field transducers (NFTS) including barrier layer and methods o...
- Patent number 9,824,709
- Issue date Nov 21, 2017
- Seagate Technology LLC
- Martin Blaber
- G11 - INFORMATION STORAGE
Information Patent Grant
Devices including a near field transducer and at least one associat...
- Patent number 9,666,220
- Issue date May 30, 2017
- Seagate Technology LLC
- Vijay Karthik Sankar
- G11 - INFORMATION STORAGE
Information Patent Grant
Interlayer for device including NFT and cladding layers
- Patent number 9,601,135
- Issue date Mar 21, 2017
- Seagate Technology LLC
- Tong Zhao
- G11 - INFORMATION STORAGE
Information Patent Grant
Waveguide of a write head with reduced cross sectional area proxima...
- Patent number 9,558,764
- Issue date Jan 31, 2017
- Seagate Technology LLC
- Ruoxi Yang
- G02 - OPTICS
Information Patent Grant
Plasmonic transducer having two metal elements with a gap disposed...
- Patent number 9,502,069
- Issue date Nov 22, 2016
- Seagate Technology LLC
- Chubing Peng
- G02 - OPTICS
Information Patent Grant
Method of making a transducer head
- Patent number 9,437,221
- Issue date Sep 6, 2016
- Seagate Technology LLC
- Lien Lee
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods of making a near field transducer with a flare peg
- Patent number 9,378,757
- Issue date Jun 28, 2016
- Seagate Technology LLC
- Yongjun Zhao
- G11 - INFORMATION STORAGE
Information Patent Grant
Polarization rotator
- Patent number 9,355,662
- Issue date May 31, 2016
- Seagate Technology LLC
- Chubing Peng
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical articles and methods of making same
- Patent number 9,297,959
- Issue date Mar 29, 2016
- Seagate Technology LLC
- Xiaoyue Huang
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus including electrical lapping guide and methods of using t...
- Patent number 9,283,651
- Issue date Mar 15, 2016
- Seagate Technology LLC
- Yongjun Zhao
- B24 - GRINDING POLISHING
Information Patent Grant
Near field transducer with isolated peg
- Patent number 9,196,279
- Issue date Nov 24, 2015
- Seagate Technology LLC
- David C. Seets
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of making a transducer head
- Patent number 9,142,231
- Issue date Sep 22, 2015
- Seagate Technology LLC
- Yongjun Zhao
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatuses and methods for controlling near-field transducer to wr...
- Patent number 9,076,475
- Issue date Jul 7, 2015
- Seagate Technology LLC
- Hua Zhou
- G11 - INFORMATION STORAGE
Information Patent Grant
Polarization rotator
- Patent number 9,070,386
- Issue date Jun 30, 2015
- Seagate Technology LLC
- Chubing Peng
- G11 - INFORMATION STORAGE
Information Patent Grant
Trenched near-field transducer for heat assisted magnetic recording
- Patent number 9,064,514
- Issue date Jun 23, 2015
- Seagate Technology LLC
- Chubing Peng
- G11 - INFORMATION STORAGE
Information Patent Grant
Capping method for laser diode protection
- Patent number 8,982,923
- Issue date Mar 17, 2015
- Seagate Technology LLC
- Douglas Cole
- G11 - INFORMATION STORAGE
Information Patent Grant
Plasmonic transducer having two metal elements with a gap disposed...
- Patent number 8,958,668
- Issue date Feb 17, 2015
- Seagate Technology LLC
- Chubing Peng
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
RECESSED HARDMASK USED TO FORM HAMR NFT HEAT SINK
- Publication number 20190198046
- Publication date Jun 27, 2019
- SEAGATE TECHNOLOGY LLC
- Anusha Natarajarathinam
- G11 - INFORMATION STORAGE
Information Patent Application
NEAR FIELD TRANSDUCERS INCLUDING ELECTRODEPOSITED PLASMONIC MATERIA...
- Publication number 20190048487
- Publication date Feb 14, 2019
- SEAGATE TECHNOLOGY LLC
- Lien Lee
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
DEVICES INCLUDING METAL LAYER
- Publication number 20180090159
- Publication date Mar 29, 2018
- SEAGATE TECHNOLOGY LLC
- Tong Zhao
- G11 - INFORMATION STORAGE
Information Patent Application
NEAR FIELD TRANSDUCERS (NFTS) INCLUDING BARRIER LAYER AND METHODS O...
- Publication number 20180075872
- Publication date Mar 15, 2018
- SEAGATE TECHNOLOGY LLC
- Martin Blaber
- G11 - INFORMATION STORAGE
Information Patent Application
DEVICES INCLUDING A NEAR FIELD TRANSDUCER AND AT LEAST ONE ASSOCIAT...
- Publication number 20170263276
- Publication date Sep 14, 2017
- SEAGATE TECHNOLOGY LLC
- Vijay Karthik Sankar
- G11 - INFORMATION STORAGE
Information Patent Application
RECESSED HARDMASK USED TO FORM HAMR NFT HEAT SINK
- Publication number 20170194022
- Publication date Jul 6, 2017
- SEAGATE TECHNOLOGY LLC
- Anusha Natarajarathinam
- G11 - INFORMATION STORAGE
Information Patent Application
NEAR FIELD TRANSDUCERS (NFTS) INCLUDING BARRIER LAYER AND METHODS O...
- Publication number 20160351221
- Publication date Dec 1, 2016
- SEAGATE TECHNOLOGY LLC
- Martin Blaber
- G11 - INFORMATION STORAGE
Information Patent Application
DEVICES INCLUDING METAL LAYER
- Publication number 20160275972
- Publication date Sep 22, 2016
- SEAGATE TECHNOLOGY LLC
- Tong Zhao
- G11 - INFORMATION STORAGE
Information Patent Application
METHODS OF FORMING NEAR FIELD TRANSDUCERS (NFTS) AND PORTIONS THEREOF
- Publication number 20160133275
- Publication date May 12, 2016
- SEAGATE TECHNOLOGY LLC
- Sridhar Dubbaka
- G11 - INFORMATION STORAGE
Information Patent Application
WAVEGUIDE OF A WRITE HEAD WITH REDUCED CROSS SECTIONAL AREA PROXIMA...
- Publication number 20160118069
- Publication date Apr 28, 2016
- SEAGATE TECHNOLOGY LLC
- Ruoxi Yang
- G11 - INFORMATION STORAGE
Information Patent Application
METHOD OF MAKING A TRANSDUCER HEAD
- Publication number 20150371669
- Publication date Dec 24, 2015
- SEAGATE TECHNOLOGY LLC
- Lien Lee
- G11 - INFORMATION STORAGE
Information Patent Application
DEVICES INCLUDING A NEAR FIELD TRANSDUCER AND AT LEAST ONE ASSOCIAT...
- Publication number 20150340052
- Publication date Nov 26, 2015
- SEAGATE TECHNOLOGY LLC
- Vijay Karthik Sankar
- G11 - INFORMATION STORAGE
Information Patent Application
POLARIZATION ROTATOR
- Publication number 20150262597
- Publication date Sep 17, 2015
- SEAGATE TECHNOLOGY LLC
- Chubing Peng
- G02 - OPTICS
Information Patent Application
PLASMONIC TRANSDUCER HAVING TWO METAL ELEMENTS WITH A GAP DISPOSED...
- Publication number 20150179209
- Publication date Jun 25, 2015
- SEAGATE TECHNOLOGY LLC
- Chubing Peng
- G11 - INFORMATION STORAGE
Information Patent Application
INTERLAYER FOR DEVICE INCLUDING NFT AND CLADDING LAYERS
- Publication number 20150146508
- Publication date May 28, 2015
- SEAGATE TECHNOLOGY LLC
- Tong Zhao
- G11 - INFORMATION STORAGE
Information Patent Application
NEAR FIELD TRANSDUCERS INCLUDING ELECTRODEPOSITED PLASMONIC MATERIA...
- Publication number 20150083601
- Publication date Mar 26, 2015
- SEAGATE TECHNOLOGY LLC
- Lien Lee
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
APPARATUS INCLUDING ELECTRICAL LAPPING GUIDE AND METHODS OF USING T...
- Publication number 20150072593
- Publication date Mar 12, 2015
- SEAGATE TECHNOLOGY LLC
- Yongjun Zhao
- G11 - INFORMATION STORAGE
Information Patent Application
APPARATUSES AND METHODS FOR CONTROLLING NEAR-FIELD TRANSDUCER TO WR...
- Publication number 20150071045
- Publication date Mar 12, 2015
- SEAGATE TECHNOLOGY LLC
- Hua Zhou
- G11 - INFORMATION STORAGE
Information Patent Application
TRENCHED NEAR-FIELD TRANSDUCER FOR HEAT ASSISTED MAGNETIC RECORDING
- Publication number 20150003218
- Publication date Jan 1, 2015
- SEAGATE TECHNOLOGY LLC
- Chubing Peng
- G11 - INFORMATION STORAGE
Information Patent Application
NEAR FIELD TRANSDUCER WITH ISOLATED PEG
- Publication number 20140376345
- Publication date Dec 25, 2014
- David C. Seets
- G11 - INFORMATION STORAGE
Information Patent Application
APPARATUSES AND METHODS FOR CONTROLLING NEAR-FIELD TRANSDUCER TO WR...
- Publication number 20140307534
- Publication date Oct 16, 2014
- SEAGATE TECHNOLOGY LLC
- Hua Zhou
- G11 - INFORMATION STORAGE
Information Patent Application
METHODS OF MAKING A NEAR FIELD TRANSDUCER WITH A FLARE PEG
- Publication number 20140251948
- Publication date Sep 11, 2014
- SEAGATE TECHNOLOGY LLC
- Yongjun Zhao
- G11 - INFORMATION STORAGE
Information Patent Application
ETCH STOP CONFIGURATION
- Publication number 20140254339
- Publication date Sep 11, 2014
- Yongjun Zhao
- G11 - INFORMATION STORAGE
Information Patent Application
POLARIZATION ROTATOR
- Publication number 20140153861
- Publication date Jun 5, 2014
- SEAGATE TECHNOLOGY LLC
- Chubing Peng
- G02 - OPTICS
Information Patent Application
METHOD AND APPARATUS FOR COUPLING A LASER DIODE TO A MAGNETIC WRITER
- Publication number 20140091130
- Publication date Apr 3, 2014
- SEAGATE TECHNOLOGY LLC
- Roger L. Hipwell
- G11 - INFORMATION STORAGE
Information Patent Application
NEAR-FIELD TRANSDUCER
- Publication number 20140036646
- Publication date Feb 6, 2014
- SEAGATE TECHNOLOGY LLC
- Chubing Peng
- G11 - INFORMATION STORAGE
Information Patent Application
INTERLAYER FOR DEVICE INCLUDING NFT AND CLADDING LAYERS
- Publication number 20140004384
- Publication date Jan 2, 2014
- SEAGATE TECHNOLOGY LLC
- Tong Zhao
- G11 - INFORMATION STORAGE
Information Patent Application
NEAR FIELD TRANSDUCER WITH SHAPED ENERGY RADIATING END
- Publication number 20130170332
- Publication date Jul 4, 2013
- SEAGATE TECHNOLOGY LLC
- Kaizhong Gao
- G11 - INFORMATION STORAGE
Information Patent Application
OPTICAL ARTICLES AND METHODS OF MAKING SAME
- Publication number 20130084441
- Publication date Apr 4, 2013
- SEAGATE TECHNOLOGY LLC
- Xiaoyue Huang
- G02 - OPTICS
Information Patent Application
PLASMONIC TRANSDUCER WITH REDUCED CROSS SECTION AT MEDIA-READING SU...
- Publication number 20130071062
- Publication date Mar 21, 2013
- SEAGATE TECHNOLOGY LLC
- Chubing Peng
- G02 - OPTICS

Yongjun Zhao

Person

Patents Grantslast 30 patents

Heat-assisted recording head having mechanically robust subwaveleng...

Recessed hardmask used to form heat-assisted magnetic recording nea...

Recording head with focusing structure

Recording head with focusing structure

Near field transducers including electrodeposited plasmonic materia...

Near-field transducer with thermally robust peg embedded into an en...

Waveguide having reflector for heat-assisted magnetic recording head

Near-field transducer with thermally robust peg embedded into an en...

Near field transducers (NFTS) including barrier layer and methods o...

Recessed hardmask used to form HAMR NFT heat sink

Devices including a near field transducer and at least one associat...

Methods of forming near field transducers (NFTS) and portions thereof

Near field transducers including electrodeposited plasmonic materia...

Near field transducers (NFTS) including barrier layer and methods o...

Devices including a near field transducer and at least one associat...

Interlayer for device including NFT and cladding layers

Waveguide of a write head with reduced cross sectional area proxima...

Plasmonic transducer having two metal elements with a gap disposed...

Method of making a transducer head

Methods of making a near field transducer with a flare peg

Polarization rotator

Optical articles and methods of making same

Apparatus including electrical lapping guide and methods of using t...

Near field transducer with isolated peg

Method of making a transducer head

Apparatuses and methods for controlling near-field transducer to wr...

Polarization rotator

Trenched near-field transducer for heat assisted magnetic recording

Capping method for laser diode protection

Plasmonic transducer having two metal elements with a gap disposed...

Patents Applicationslast 30 patents

RECESSED HARDMASK USED TO FORM HAMR NFT HEAT SINK

NEAR FIELD TRANSDUCERS INCLUDING ELECTRODEPOSITED PLASMONIC MATERIA...

DEVICES INCLUDING METAL LAYER

NEAR FIELD TRANSDUCERS (NFTS) INCLUDING BARRIER LAYER AND METHODS O...

DEVICES INCLUDING A NEAR FIELD TRANSDUCER AND AT LEAST ONE ASSOCIAT...

RECESSED HARDMASK USED TO FORM HAMR NFT HEAT SINK

NEAR FIELD TRANSDUCERS (NFTS) INCLUDING BARRIER LAYER AND METHODS O...

DEVICES INCLUDING METAL LAYER

METHODS OF FORMING NEAR FIELD TRANSDUCERS (NFTS) AND PORTIONS THEREOF

WAVEGUIDE OF A WRITE HEAD WITH REDUCED CROSS SECTIONAL AREA PROXIMA...

METHOD OF MAKING A TRANSDUCER HEAD

DEVICES INCLUDING A NEAR FIELD TRANSDUCER AND AT LEAST ONE ASSOCIAT...

POLARIZATION ROTATOR

PLASMONIC TRANSDUCER HAVING TWO METAL ELEMENTS WITH A GAP DISPOSED...

INTERLAYER FOR DEVICE INCLUDING NFT AND CLADDING LAYERS

NEAR FIELD TRANSDUCERS INCLUDING ELECTRODEPOSITED PLASMONIC MATERIA...

APPARATUS INCLUDING ELECTRICAL LAPPING GUIDE AND METHODS OF USING T...

APPARATUSES AND METHODS FOR CONTROLLING NEAR-FIELD TRANSDUCER TO WR...

TRENCHED NEAR-FIELD TRANSDUCER FOR HEAT ASSISTED MAGNETIC RECORDING

NEAR FIELD TRANSDUCER WITH ISOLATED PEG

APPARATUSES AND METHODS FOR CONTROLLING NEAR-FIELD TRANSDUCER TO WR...

METHODS OF MAKING A NEAR FIELD TRANSDUCER WITH A FLARE PEG

ETCH STOP CONFIGURATION

POLARIZATION ROTATOR

METHOD AND APPARATUS FOR COUPLING A LASER DIODE TO A MAGNETIC WRITER

NEAR-FIELD TRANSDUCER

INTERLAYER FOR DEVICE INCLUDING NFT AND CLADDING LAYERS

NEAR FIELD TRANSDUCER WITH SHAPED ENERGY RADIATING END

OPTICAL ARTICLES AND METHODS OF MAKING SAME

PLASMONIC TRANSDUCER WITH REDUCED CROSS SECTION AT MEDIA-READING SU...