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Chieh-Feng CHANG
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Pasadena, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Waveguides having integrated spacers, waveguides having edge absorb...
Patent number
11,886,000
Issue date
Jan 30, 2024
Magic Leap, Inc.
Christophe Peroz
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of fabricating molds for forming eyepieces with integrated s...
Patent number
11,840,034
Issue date
Dec 12, 2023
Magic Leap, Inc.
Mauro Melli
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Methods and apparatuses for casting polymer products
Patent number
11,787,138
Issue date
Oct 17, 2023
Magic Leap, Inc.
Chieh Chang
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Eyepiece for head-mounted display and method for making the same
Patent number
11,740,469
Issue date
Aug 29, 2023
Magic Leap, Inc.
Chieh Chang
G02 - OPTICS
Information
Patent Grant
Waveguides having integral spacers and related systems and methods
Patent number
11,726,317
Issue date
Aug 15, 2023
Magic Leap, Inc.
Ling Li
G02 - OPTICS
Information
Patent Grant
Methods and apparatuses for casting optical polymer films
Patent number
11,679,533
Issue date
Jun 20, 2023
Magic Leap, Inc.
Jeremy Lee Sevier
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Methods and systems for augmented reality display with dynamic fiel...
Patent number
11,656,480
Issue date
May 23, 2023
Magic Leap, Inc.
Chieh Chang
G02 - OPTICS
Information
Patent Grant
Customized polymer/glass diffractive waveguide stacks for augmented...
Patent number
11,630,256
Issue date
Apr 18, 2023
Magic Leap, Inc.
Sharad D. Bhagat
G02 - OPTICS
Information
Patent Grant
Patterning of liquid crystals using soft-imprint replication of sur...
Patent number
11,567,371
Issue date
Jan 31, 2023
Magic Leap, Inc.
Chulwoo Oh
B32 - LAYERED PRODUCTS
Information
Patent Grant
Hybrid polymer waveguide and methods for making the same
Patent number
11,460,609
Issue date
Oct 4, 2022
Magic Leap, Inc.
Christophe Peroz
G02 - OPTICS
Information
Patent Grant
Preparing and dispensing polymer materials and producing polymer ar...
Patent number
11,413,591
Issue date
Aug 16, 2022
Magic Leap, Inc.
Sharad D. Bhagat
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Methods and apparatuses for casting polymer products
Patent number
11,320,591
Issue date
May 3, 2022
Magic Leap, Inc.
Chieh Chang
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Methods and apparatuses for casting polymer products
Patent number
11,318,692
Issue date
May 3, 2022
Magic Leap, Inc.
Chieh Chang
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Color-selective waveguides for augmented reality/mixed reality appl...
Patent number
11,307,408
Issue date
Apr 19, 2022
Magic Leap, Inc.
Sharad D. Bhagat
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Optical polymer films and methods for casting the same
Patent number
11,298,856
Issue date
Apr 12, 2022
Molecular Imprints, Inc.
Chieh Chang
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Methods and apparatuses for casting polymer products
Patent number
11,198,233
Issue date
Dec 14, 2021
Magic Leap, Inc.
Sharad D. Bhagat
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Customized polymer/glass diffractive waveguide stacks for augmented...
Patent number
11,099,313
Issue date
Aug 24, 2021
Magic Leap, Inc.
Sharad D. Bhagat
G02 - OPTICS
Information
Patent Grant
Methods and apparatuses for casting polymer products
Patent number
11,009,661
Issue date
May 18, 2021
Magic Leap, Inc.
Chieh Chang
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Fabrication and self-aligned local functionalization of nanocups an...
Patent number
11,002,908
Issue date
May 11, 2021
California Institute of Technology
Chieh-feng Chang
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Patterning of liquid crystals using soft-imprint replication of sur...
Patent number
10,895,784
Issue date
Jan 19, 2021
Magic Leap, Inc.
Chulwoo Oh
B32 - LAYERED PRODUCTS
Information
Patent Grant
Patterning of liquid crystals using soft-imprint replication of sur...
Patent number
10,627,677
Issue date
Apr 21, 2020
Magic Leap, Inc.
Chulwoo Oh
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Nanoscale field-emission device and method of fabrication
Patent number
10,622,181
Issue date
Apr 14, 2020
California Institute of Technology
Axel Scherer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Nanoscale field-emission device and method of fabrication
Patent number
10,366,856
Issue date
Jul 30, 2019
California Institute of Technology
Axel Scherer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Plasmonics nanostructures for multiplexing implantable sensors
Patent number
9,993,185
Issue date
Jun 12, 2018
California Institute of Technology
Sameer Walavalkar
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Nanopillar field-effect and junction transistors with functionalize...
Patent number
9,966,443
Issue date
May 8, 2018
California Institute of Technology
Aditya Rajagopal
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Nanopillar field-effect and junction transistors with functionalize...
Patent number
9,960,238
Issue date
May 1, 2018
California Institute of Technology
Aditya Rajagopal
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Reflowed gold nanostructures for surface enhanced raman spectroscopy
Patent number
9,913,603
Issue date
Mar 13, 2018
California Institute of Technology
Sameer Walavalkar
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Fabrication and self-aligned local functionalization of nanocups an...
Patent number
9,512,000
Issue date
Dec 6, 2016
California Institute of Technology
Chieh-feng Chang
B81 - MICRO-STRUCTURAL TECHNOLOGY
Information
Patent Grant
Methods of modulating microlasers at ultralow power levels, and sys...
Patent number
9,407,055
Issue date
Aug 2, 2016
California Institute of Technology
Seheon Kim
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Wireless voltage sensing device
Patent number
9,128,124
Issue date
Sep 8, 2015
California Institute of Technology
Aditya Rajagopal
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
EYEPIECE FOR HEAD-MOUNTED DISPLAY AND METHOD FOR MAKING THE SAME
Publication number
20240045209
Publication date
Feb 8, 2024
Magic Leap, Inc.
Chieh Chang
G02 - OPTICS
Information
Patent Application
SYSTEMS, METHODS, AND DEVICES FOR ADHESION OF INTERIOR WAVEGUIDE PI...
Publication number
20240036321
Publication date
Feb 1, 2024
Magic Leap, Inc.
Ling Li
G02 - OPTICS
Information
Patent Application
METHODS AND APPARATUSES FOR CASTING POLYMER PRODUCTS
Publication number
20230373174
Publication date
Nov 23, 2023
Magic Leap, Inc.
Chieh Chang
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
WAVEGUIDES HAVING INTEGRAL SPACERS AND RELATED SYSTEMS AND METHODS
Publication number
20230359036
Publication date
Nov 9, 2023
Magic Leap, Inc.
Ling Li
G02 - OPTICS
Information
Patent Application
METHODS AND SYSTEMS FOR AUGMENTED REALITY DISPLAY WITH DYNAMIC FIEL...
Publication number
20230244087
Publication date
Aug 3, 2023
Magic Leap, Inc.
Chieh Chang
G02 - OPTICS
Information
Patent Application
CUSTOMIZED POLYMER/GLASS DIFFRACTIVE WAVEGUIDE STACKS FOR AUGMENTED...
Publication number
20230228934
Publication date
Jul 20, 2023
Magic Leap, Inc.
Sharad D. Bhagat
G02 - OPTICS
Information
Patent Application
HYBRID POLYMER WAVEGUIDE AND METHODS FOR MAKING THE SAME
Publication number
20220413185
Publication date
Dec 29, 2022
Magic Leap, Inc.
Christophe Peroz
G02 - OPTICS
Information
Patent Application
METHODS AND APPARATUSES FOR CASTING POLYMER PRODUCTS
Publication number
20220242076
Publication date
Aug 4, 2022
Magic Leap, Inc.
Chieh Chang
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
COLOR-SELECTIVE WAVEGUIDES FOR AUGMENTED REALITY/MIXED REALITY APPL...
Publication number
20220229290
Publication date
Jul 21, 2022
Magic Leap, Inc.
Sharad D. Bhagat
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHODS AND APPARATUSES FOR CASTING POLYMER PRODUCTS
Publication number
20220088839
Publication date
Mar 24, 2022
Magic Leap, Inc.
Sharad D. Bhagat
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
EYEPIECE FOR HEAD-MOUNTED DISPLAY AND METHOD FOR MAKING THE SAME
Publication number
20210405372
Publication date
Dec 30, 2021
Magic Leap, Inc.
Chieh Chang
G02 - OPTICS
Information
Patent Application
POLYMER EYEPIECE ASSEMBLIES FOR AUGMENTED AND MIXED REALITY SYSTEMS
Publication number
20210396987
Publication date
Dec 23, 2021
Ling LI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
CUSTOMIZED POLYMER/GLASS DIFFRACTIVE WAVEGUIDE STACKS FOR AUGMENTED...
Publication number
20210382221
Publication date
Dec 9, 2021
Magic Leap, Inc.
Sharad D. Bhagat
G02 - OPTICS
Information
Patent Application
METHODS AND APPARATUSES FOR CASTING POLYMER PRODUCTS
Publication number
20210308913
Publication date
Oct 7, 2021
Magic Leap, Inc.
Sharad D. Bhagat
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHODS AND APPARATUSES FOR CASTING OPTICAL POLYMER FILMS
Publication number
20210283806
Publication date
Sep 16, 2021
Magic Leap, Inc.
Jeremy Lee Sevier
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHOD OF FABRICATING MOLDS FOR FORMING EYEPIECES WITH INTEGRATED S...
Publication number
20210268756
Publication date
Sep 2, 2021
Magic Leap, Inc.
Mauro Melli
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHODS AND APPARATUSES FOR CASTING POLYMER PRODUCTS
Publication number
20210271025
Publication date
Sep 2, 2021
Magic Leap, Inc.
Chieh Chang
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
HYBRID POLYMER WAVEGUIDE AND METHODS FOR MAKING THE SAME
Publication number
20210157032
Publication date
May 27, 2021
Magic Leap, Inc.
Christophe Peroz
G02 - OPTICS
Information
Patent Application
WAVEGUIDES HAVING INTEGRATED SPACERS, WAVEGUIDES HAVING EDGE ABSORB...
Publication number
20210109278
Publication date
Apr 15, 2021
Magic Leap, Inc.
Christophe Peroz
G02 - OPTICS
Information
Patent Application
COLOR-SELECTIVE WAVEGUIDES FOR AUGMENTED REALITY/MIXED REALITY APPL...
Publication number
20210103142
Publication date
Apr 8, 2021
Magic Leap, Inc.
Sharad D. Bhagat
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
METHODS AND SYSTEMS FOR AUGMENTED REALITY DISPLAY WITH DYNAMIC FIEL...
Publication number
20210011305
Publication date
Jan 14, 2021
Magic Leap, Inc.
Chieh Chang
G02 - OPTICS
Information
Patent Application
POLYMER PATTERNED DISK STACK MANUFACTURING
Publication number
20200402871
Publication date
Dec 24, 2020
Magic Leap, Inc.
Ling Li
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
CUSTOMIZED POLYMER/GLASS DIFFRACTIVE WAVEGUIDE STACKS FOR AUGMENTED...
Publication number
20200400870
Publication date
Dec 24, 2020
Magic Leap, Inc.
Sharad D. Bhagat
G02 - OPTICS
Information
Patent Application
WAVEGUIDES HAVING INTEGRAL SPACERS AND RELATED SYSTEMS AND METHODS
Publication number
20200400941
Publication date
Dec 24, 2020
Magic Leap, Inc.
Ling Li
G02 - OPTICS
Information
Patent Application
PATTERNING OF LIQUID CRYSTALS USING SOFT-IMPRINT REPLICATION OF SUR...
Publication number
20200285120
Publication date
Sep 10, 2020
Magic Leap, Inc.
Chulwoo Oh
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHODS AND APPARATUSES FOR CASTING POLYMER PRODUCTS
Publication number
20200116934
Publication date
Apr 16, 2020
Magic Leap, Inc.
Chieh Chang
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PREPARING AND DISPENSING POLYMER MATERIALS AND PRODUCING POLYMER AR...
Publication number
20190126223
Publication date
May 2, 2019
Magic Leap, Inc.
Sharad D. Bhagat
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHODS AND APPARATUSES FOR CASTING POLYMER PRODUCTS
Publication number
20190111642
Publication date
Apr 18, 2019
Magic Leap, Inc.
Chieh Chang
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Nanoscale Field-Emission Device and Method of Fabrication
Publication number
20180277329
Publication date
Sep 27, 2018
California Institute of Technology
Axel SCHERER
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical Polymer Films and Methods for Casting the Same
Publication number
20180264691
Publication date
Sep 20, 2018
Molecular Imprints, Inc.
Chieh Chang
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL