Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Meei-Ling Chiang — 14 Patents

AMD: 9 patents #1,393 of 9,280Top 20%
Apple: 4 patents #6,401 of 18,612Top 35%
Globalfoundries: 1 patents #2,221 of 4,424Top 55%
Cupertino, CA: #1,179 of 6,989 inventorsTop 20%
California: #43,920 of 386,348 inventorsTop 15%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Meei-Ling Chiang has been granted 14 US patents while listed as an inventor at AMD. The first was granted in 2001 and the most recent in March 2025. Meei-Ling Chiang ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Meei-Ling Chiang in Cupertino, CA, US.

Patents per Year

Patents granted per year, 2001 to 2025Bar chart with a peak of 2 patents in 2001.peak 22001: 2 patents20012002: 2 patents2006: 1 patents20062009: 1 patents2010: 2 patents20102012: 1 patents2017: 1 patents20172018: 1 patents2022: 1 patents20222024: 1 patents2025: 1 patents2025

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12249909 Power supply noise reduction by current cancellation circuit Khaled M. Alashmouny, Zhi Hu 2025-03-11
12160497 Reference clock switching in phase-locked loop circuits Hairong Yu, Boon-Aik Ang, Yu-Cheng Chen, Litesh Sajnani, Samed Maltabas +5 more 2024-12-03 $369,762,000
11256283 Hybrid asynchronous gray counter with non-gray zone detector for high performance phase-locked loops Dabin Zhang, Dennis M. Fischette, Jr., Shaobo Liu, Yu-Cheng Chen, Samed Maltabas 2022-02-22 $187,065,000
9979405 Adaptively reconfigurable time-to-digital converter for digital phase-locked loops Wei Deng, Dennis M. Fischette, Jr., Samed Maltabas 2018-05-22 $72,572,000
9692426 Phase locked loop system with bandwidth measurement and calibration Boon-Aik Ang, Dennis M. Fischette, Jr. 2017-06-27 $11,625,000
8134417 Automatic amplitude control for voltage controlled oscillator Dennis M. Fischette, Jr., Alvin Leng Sun Loke, Michael M. Oshima 2012-03-13 $9,355,000
7817761 Test techniques for a delay-locked loop receiver interface Dwight K. Elvey, Sanjeev K. Maheshwari, Emerson S. Fang 2010-10-19 $4,223,000
7750711 Phase select circuit with reduced hysteresis effect Sanjeev K. Maheshwari, Emerson S. Fang 2010-07-06 $11,658,000
7545190 Parallel multiplexing duty cycle adjustment circuit with programmable range control Sanjeev K. Maheshwari, Emerson S. Fang 2009-06-09 $8,157,000
7009548 Variable accuracy pipeline ADC for WLAN communications devices Boon-Aik Ang 2006-03-07 $15,826,000
6359579 Digital logic correction circuit for a pipeline analog to digital (A/D) converter 2002-03-19 $4,163,000
6337651 Pipeline analog to digital (A/D) converter with relaxed accuracy requirement for sample and hold stage 2002-01-08 $11,293,000
6323800 Pipeline analog to digital (a/d) converter with lengthened hold operation of a first stage 2001-11-27 $5,286,000
6295016 Pipeline analog to digital (A/D) converter with relaxed accuracy requirement for sample and hold stage 2001-09-25 $2,966,000