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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
NC

Norman Chang — 35 Patents

ANAnsys: 23 patents #1 of 298Top 1%
HP: 11 patents #1,706 of 16,619Top 15%
ASApache Design Solutions: 1 patents #2 of 9Top 25%
Fremont, CA: #410 of 9,298 inventorsTop 5%
California: #14,008 of 386,348 inventorsTop 4%
Overall (All Time): #96,288 of 4,157,543Top 3%
35 Patents All Time
Norman Chang has been granted 35 US patents while listed as an inventor at Ansys. The first was granted in 1997 and the most recent in September 2025. Norman Chang ranks #96,288 of 4,157,543 US inventors in our database (top 2.3%). Patent records list Norman Chang in Fremont, CA, US.

Patents per Year

Patents granted per year, 1997 to 2025Bar chart with a peak of 5 patents in 2024.peak 51997: 1 patents19971999: 1 patents2000: 1 patents20002002: 2 patents2003: 4 patents20032005: 3 patents2019: 1 patents20192020: 4 patents2021: 2 patents20212022: 3 patents2023: 3 patents20232024: 5 patents2025: 5 patents2025

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12412110 Systems and methods for machine learning based risky circuit pattern identification Akhilesh Kumar, Hui Ding 2025-09-09
12393686 Adaptive leakage impact region detection and modeling for counterfeit chips detection Deqi Zhu, Hua Chen, Jimin Wen, Lang Lin, Dinesh Kumar Selvakumaran +1 more 2025-08-19
12307184 Methods and systems for predicting silicon density for a metal layer of semi-conductor chip via machine learning Wen-Tze Chuang, Lei Yin, Bolong Zhang, Xi Chen, Jay Prakash Pathak +5 more 2025-05-20
12277371 Dynamic current modeling in dynamic voltage drop analysis Deqi Zhu, Yu Lu, Wei Zhou, Kunhua Ma, Prabhas Ranjan Kumar +1 more 2025-04-15
12242781 Systems and methods for machine learning based fast static thermal solver Hsiming Pan, Jimin Wen, Deqi Zhu, Wenbo Xia, Akhilesh Kumar +4 more 2025-03-04
12177349 Machine learning for automatic identification of points of interest for side channel leakage Jimin Wen, Hua Chen, Deqi Zhu, Lang Lin, Chia-Wei Chen 2024-12-24 $61,120,000
11995187 Systems and methods for a comprehensive and efficient simulation-based methodology on IP authentication and trojan detection Dinesh Kumar Selvakumaran, Deqi Zhu, Lang Lin, Hsiming Pan 2024-05-28 $87,762,000
11973868 Systems and methods for a fast near-field electromagnetic simulation methodology for side-channel emission analysis Deqi Zhu, Lang Lin, Dinesh Kumar Selvakumaran, Yu Lu 2024-04-30 $170,887,000
11914931 Predicting on chip transient thermal response in a multi-chip system using an RNN-based predictor Akhilesh Kumar, Hsiming Pan, Jimin Wen, Deqi Zhu, Wenbo Xia +4 more 2024-02-27 $183,705,000
11880456 Adaptive leakage impact region detection and modeling for counterfeit chips detection Deqi Zhu, Hua Chen, Jimin Wen, Lang Lin, Dinesh Kumar Selvakumaran +1 more 2024-01-23 $198,274,000
11853661 Systems and methods for machine learning based fast static thermal solver Hsiming Pan, Jimin Wen, Deqi Zhu, Wenbo Xia, Akhilesh Kumar +4 more 2023-12-26 $211,836,000
11797744 Methods and systems for predicting silicon density for a metal layer of semi-conductor chip via machine learning Wen-Tze Chuang, Lei Yin, Bolong Zhang, Xi Chen, Jay Prakash Pathak +5 more 2023-10-24 $24,727,000
11599633 Security information extraction and probe insertion for side-channel analysis Lang Lin, Joao Geada, Deqi Zhu, Dinesh Kumar Selvakumaran, Nitin Pundir 2023-03-07 $162,207,000
11520960 Register transfer level based side channel leakage assessment Dinesh Kumar Selvakumaran, Allen Rubin Baker, Lang Lin, Deqi Zhu, Arti Dwivedi +2 more 2022-12-06 $121,418,000
11366947 Systems and methods for machine learning based fast static thermal solver Hsiming Pan, Jimin Wen, Deqi Zhu, Wenbo Xia, Akhilesh Kumar +4 more 2022-06-21 $112,913,000
11301608 Layout-based side-channel emission analysis Lang Lin, Dinesh Kumar Selvakumaran, Calvin T. Chow, Deqi Zhu 2022-04-12 $60,163,000
11210444 Timing assistant for dynamic voltage drop impact on setup/hold constraints Hao Zhuang, Ganesh Tsavatapalli, Joao Geada, Sankar Ramachandran, Rahul Rajan +4 more 2021-12-28 $101,439,000
10970437 Calculating and extracting Joule-heating and self-heat induced temperature on wire segments for chip reliability Hsiming Pan, Zhigang Feng 2021-04-06 $200,905,000
10817631 Low-dropout regulator and charge pump modeling using frequency-domain fitting methods Deqi Zhu, Yi Cao, Shan Wan 2020-10-27 $167,249,000
10599799 Low-dropout regulator and charge pump modeling using frequency-domain fitting methods Deqi Zhu, Yi Cao, Shan Wan 2020-03-24 $37,618,000
10592634 Systems and methods for automatic handling of engineering design parameter violations Ajay Baranwal 2020-03-17 $97,213,000
10579757 Calculating and extracting joule-heating and self-heat induced temperature on wire segments for chip reliability Hsiming Pan, Zhigang Feng 2020-03-03 $86,609,000
10371583 Systems and methods for estimating temperatures of wires in an integrated circuit chip Hsiming Pan 2019-08-06 $87,435,000
6981230 On-chip power-ground inductance modeling using effective self-loop-inductance Shen Lin, Weize Xie, Richard K. Chou 2005-12-27
6981231 System and method to reduce leakage power in an electronic device Weize Xie, Shen Lin, Osamu Nakagawa 2005-12-27 $10,035,000