Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Wu Chang — 40 Patents

LSLsi: 33 patents #45 of 3,238Top 2%
APAvago Technologies General Ip (Singapore) Pte.: 6 patents #139 of 2,004Top 7%
STSeagate Technology: 1 patents #4,573 of 4,701Top 100%
Sunnyvale, CA: #498 of 14,302 inventorsTop 4%
California: #11,486 of 386,348 inventorsTop 3%
Overall (All Time): #78,057 of 4,157,543Top 2%
40 Patents All Time
Wu Chang has been granted 40 US patents while listed as an inventor at Lsi. The first was granted in 2013 and the most recent in January 2018. Wu Chang ranks #78,057 of 4,157,543 US inventors in our database (top 1.9%). Patent records list Wu Chang in Sunnyvale, CA, US.

Issued Patents All Time

Showing 1–25 of 40 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9864549 Systems and methods for high throughput multi-input compression Shaohua Yang, Han Fang, Kelly Fitzpatrick 2018-01-09 $47,968,000
9251845 Multi-level enumerative encoder and decoder Victor Krachkovsky, Razmik Karabed, Shaohua Yang 2016-02-02 $36,192,000
9245586 Systems and methods for short media defect detection using multi-iteration soft data feedback Fan Zhang, Weijun Tan, Shaohua Yang 2016-01-26 $20,886,000
9171572 Multi-dimensional optimization of read channel Parviz Rahgozar, Ming Jin, Haitao Xia 2015-10-27 $84,375,000
9112531 Systems and methods for enhanced local iteration randomization in a data decoder Fan Zhang, Shaohua Yang, Ming Jin 2015-08-18 $25,162,000
9082480 Detection and decoding in flash memories with error correlations for a plurality of bits within a sliding window Adbel Hakim S. Alhussien, Erich F. Haratsch, Ming Jin 2015-07-14 $6,484,000
9032276 Method and system for generation of a tie-breaking metric in a low-density parity check data encoding system Fan Zhang, Yang Han, Ming Jin 2015-05-12 $61,035,000
9026876 Pattern-dependent short media defect detection Fan Zhang 2015-05-05
9026572 Systems and methods for anti-causal noise predictive filtering in a data channel Victor Krachkovsky, Fan Zhang, Shaohua Yang 2015-05-05
9019644 Systems and methods for data addressing in a storage device Yang Han, Zongwang Li, Shaohua Yang 2015-04-28
9003263 Encoder and decoder generation by state-splitting of directed graph Razmik Karabed, Shaohua Yang, Victor Krachkovsky 2015-04-07
8930788 LDPC decoder with fractional unsatisfied check quality metric Fan Zhang, Ming Jin, Haitao Xia 2015-01-06
8917467 Systems and methods for ATI mitigation Haitao Xia, Jianzhong Huang, Ming Jin 2014-12-23
8908305 Systems and methods for slider head stability determination Ming Jin, Haitao Xia 2014-12-09
8880986 Systems and methods for improved data detection processing Xuebin Wu, Shaohua Yang, Fan Zhang 2014-11-04
8854755 Multi-level run-length limited finite state machine for magnetic recording channel Razmik Karabed, Shaohua Yang, Fan Zhang 2014-10-07
8854754 Systems and methods for local iteration adjustment Fan Zhang, Zongwang Li 2014-10-07
8819527 Systems and methods for mitigating stubborn errors in a data processing system Haitao Xia, Shaohua Yang 2014-08-26
8819521 Systems and methods for short media defect detection using non-binary coded information Fan Zhang, Weijun Tan, Haitao Xia, Shaohua Yang, Xuebin Wu 2014-08-26
8810943 Sync mark detection using branch metrics from data detector Shaohua Yang, Yoon L. Liow, Xuebin Wu 2014-08-19
8792195 Multi-level run-length limited finite state machine with multi-penalty Razmik Karabed, Fan Zhang 2014-07-29
8788921 Detector with soft pruning Victor Krachkovsky, Shaohua Yang, Haitao Xia 2014-07-22
8773789 In-channel channel optimization for hard-disc drive read/write chips Parviz Rahgozar, Ming Jin, Haitao Xia 2014-07-08
8762815 Systems and methods for data decoder state preservation during extended delay processing Fan Zhang, Yang Han, Shaohua Yang 2014-06-24
8743493 Fixed-point processing using quantization levels based on floating-point processing Fan Zhang, Ming Jin 2014-06-03