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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chieh Chang — 37 Patents

MLMagic Leap: 26 patents #65 of 665Top 10%
ATAdvanced Optoelectronic Technology: 9 patents #31 of 118Top 30%
MIMolecular Imprints: 1 patents #71 of 97Top 75%
QCQuanta Computer: 1 patents #690 of 1,295Top 55%
Cedar Park, TX: #61 of 1,158 inventorsTop 6%
Texas: #2,836 of 125,132 inventorsTop 3%
Overall (All Time): #88,321 of 4,157,543Top 3%
37 Patents All Time
Chieh Chang has been granted 37 US patents while listed as an inventor at Magic Leap. The first was granted in 2013 and the most recent in May 2025. Chieh Chang ranks #88,321 of 4,157,543 US inventors in our database (top 2.1%). Patent records list Chieh Chang in Cedar Park, TX, US.

Patents per Year

Patents granted per year, 2013 to 2025Bar chart with a peak of 8 patents in 2023.peak 82013: 4 patents20132014: 4 patents20142015: 1 patents20152021: 4 patents20212022: 6 patents20222023: 8 patents20232024: 6 patents20242025: 4 patents2025

Issued Patents All Time

Showing 1–25 of 37 patents

Patent #TitleCo-InventorsDate
12296549 Methods and apparatuses for casting polymer products Sharad D. Bhagat, Christophe Peroz 2025-05-13
12235474 Methods and systems for augmented reality display with dynamic field of view Victor Kai Liu, Samarth Bhargava, Ling Li, Sharad D. Bhagat, Christophe Peroz +1 more 2025-02-25
12216242 Hybrid polymer waveguide and methods for making the same Christophe Peroz, Sharad D. Bhagat 2025-02-04
12189165 Customized polymer/glass diffractive waveguide stacks for augmented reality/mixed reality applications Sharad D. Bhagat, Brian George Hill, Christophe Peroz, Ling Li 2025-01-07
12120842 Air duct with one or more fins Chao-Jung Chen, Herman TAN, Tien-Juei CHUANG 2024-10-15
12072502 Eyepiece for head-mounted display and method for making the same Christophe Peroz, Ryan Jason Ong, Ling Li, Sharad D. Bhagat, Samarth Bhargava 2024-08-27
12038591 Polymer patterned disk stack manufacturing Ling Li, Sharad D. Bhagat, Christophe Peroz, Brian George Hill, Roy Matthew Patterson +1 more 2024-07-16
12030269 Methods and apparatuses for casting polymer products Christophe Peroz, Sharad D. Bhagat, Roy Matthew Patterson, Michael Anthony Klug, Charles Scott Carden 2024-07-09
11994670 Color-selective waveguides for augmented reality/mixed reality applications Sharad D. Bhagat, David Jurbergs, Ryan Jason Ong, Christophe Peroz, Ling Li 2024-05-28
11886000 Waveguides having integrated spacers, waveguides having edge absorbers, and methods for making the same Christophe Peroz, Sharad D. Bhagat, Victor Kai Liu, Roy Matthew Patterson, David Jurbergs +4 more 2024-01-30
11840034 Method of fabricating molds for forming eyepieces with integrated spacers Mauro Melli, Ling Li, Melanie Maputol West, Christophe Peroz, Ali Karbasi +2 more 2023-12-12
11787138 Methods and apparatuses for casting polymer products Christophe Peroz, Sharad D. Bhagat, Roy Matthew Patterson, Michael Anthony Klug, Charles Scott Carden 2023-10-17
11740469 Eyepiece for head-mounted display and method for making the same Christophe Peroz, Ryan Jason Ong, Ling Li, Sharad D. Bhagat, Samarth Bhargava 2023-08-29
11726317 Waveguides having integral spacers and related systems and methods Ling Li, Ali Karbasi, Christophe Peroz, Sharad D. Bhagat, Brian George Hill +5 more 2023-08-15
11679533 Methods and apparatuses for casting optical polymer films Jeremy Lee Sevier, Matthew S. Shafran, Satish Sadam, Roy Matthew Patterson, Kangkang Wang +1 more 2023-06-20
11656480 Methods and systems for augmented reality display with dynamic field of view Victor Kai Liu, Samarth Bhargava, Ling Li, Sharad D. Bhagat, Christophe Peroz +1 more 2023-05-23
11630256 Customized polymer/glass diffractive waveguide stacks for augmented reality/mixed reality applications Sharad D. Bhagat, Brian George Hill, Christophe Peroz, Ling Li 2023-04-18
11567371 Patterning of liquid crystals using soft-imprint replication of surface alignment patterns Chulwoo Oh, Sharad D. Bhagat, Michael Anthony Klug 2023-01-31
11460609 Hybrid polymer waveguide and methods for making the same Christophe Peroz, Sharad D. Bhagat 2022-10-04
11413591 Preparing and dispensing polymer materials and producing polymer articles therefrom Sharad D. Bhagat, Vikramjit Singh, Christophe Peroz 2022-08-16
11318692 Methods and apparatuses for casting polymer products Christophe Peroz, Sharad D. Bhagat, Roy Matthew Patterson, Michael Anthony Klug, Charles Scott Carden 2022-05-03
11320591 Methods and apparatuses for casting polymer products Christophe Peroz, Sharad D. Bhagat, Michael Anthony Klug, Charles Scott Carden, Roy Matthew Patterson +1 more 2022-05-03
11307408 Color-selective waveguides for augmented reality/mixed reality applications Sharad D. Bhagat, David Jurbergs, Ryan Jason Ong, Christophe Peroz, Ling Li 2022-04-19
11298856 Optical polymer films and methods for casting the same Christophe Peroz, Roy Matthew Patterson, Matthew S. Shafran, Christopher John Fleckenstein, Charles Scott Carden 2022-04-12
11198233 Methods and apparatuses for casting polymer products Sharad D. Bhagat, Christophe Peroz 2021-12-14