Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chi Chang — 94 Patents

AMD: 72 patents #65 of 9,280Top 1%
SLSpansion Llc.: 12 patents #65 of 769Top 9%
Fujitsu Limited: 8 patents #3,989 of 24,456Top 20%
AOAu Optronics: 2 patents #1,286 of 2,945Top 45%
ITITRI: 2 patents #3,461 of 9,619Top 40%
TSMC: 2 patents #6,667 of 12,232Top 55%
Cypress Semiconductor: 2 patents #733 of 1,852Top 40%
PTPowertech Technology: 1 patents #58 of 136Top 45%
FLFujitsu Amd Semiconductor Limited: 1 patents #14 of 40Top 35%
FAFasl: 1 patents #23 of 52Top 45%
CSCyress Semiconductor: 1 patents #1 of 14Top 8%
Redwood City, CA: #31 of 5,061 inventorsTop 1%
California: #2,559 of 386,348 inventorsTop 1%
Overall (All Time): #16,422 of 4,157,543Top 1%
94 Patents All Time
Chi Chang has been granted 94 US patents while listed as an inventor at AMD. The first was granted in 1990 and the most recent in June 2022. Chi Chang ranks #16,422 of 4,157,543 US inventors in our database (top 0.39%). Patent records list Chi Chang in Redwood City, CA, US.

Issued Patents All Time

Showing 1–25 of 94 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11367641 Wafer storage device, carrier plate and wafer cassette Chin-Ta Wu, I-Lin Chan, Cheng-Hao Ciou 2022-06-21
10394077 Backlight module Jian-Li Huang, Wei-Chun Chung, Su-Yi Lin 2019-08-27 $405,000
10168006 Backlight module Chi-Tang Ma, Su-Yi Lin 2019-01-01
9917211 Flash memory cells having trenched storage elements Wei Zheng, Unsoon Kim 2018-03-13 $22,144,000
9461151 Dual storage node memory Fred Cheung, Hiroyuki Kinoshita, Chungho Lee, Yu Sun 2016-10-04 $6,131,000
9159568 Method for fabricating memory cells having split charge storage nodes Chungho Lee, Wei Zheng, Unsoon Kim, Hiroyuki Kinoshita 2015-10-13 $14,028,000
8803216 Memory cell system using silicon-rich nitride Meng Ding, Lei Xue, Mark Randolph, Robert B. Ogle 2014-08-12
8742486 Flash memory cells having trenched storage elements Wei Zheng, Unsoon Kim 2014-06-03 $1,509,000
8564042 Dual storage node memory Fred Cheung, Hiroyuki Kinoshita, Chungho Lee, Yu Sun 2013-10-22 $2,568,000
8455268 Gate replacement with top oxide regrowth for the top oxide improvement Chungho Lee, Hiroyuki Kinoshita, Kuo-Tung Chang, Rinji Sugino, Huaqiang Wu 2013-06-04 $1,980,000
8334570 Metal gate stress film for mobility enhancement in FinFET device Jeff J. Xu, Clement Hsingjen Wann, Chi Cheh Yeh 2012-12-18 $5,486,000
8183623 Dual charge storage node memory device and methods for fabricating such device Chungho Lee, Hiroyuki Kinoshita, Kuo-Tung Chang, Amol Joshi, Kyunghoon Min 2012-05-22 $3,371,000
8076712 Semiconductor memory comprising dual charge storage nodes and methods for its fabrication Chungho Lee, Ashot Melik-Martirosian, Wei Zheng, Timothy Thurgate, Hiroyuki Kinoshita +2 more 2011-12-13 $655,000
7918179 Method for apparatus for a drop indicator Sheau-Shi Pan, Feng-Yu Yang 2011-04-05
7915123 Dual charge storage node memory device and methods for fabricating such device Chungho Lee, Hiroyuki Kinoshita, Kuo-Tung Chang, Amol Joshi, Kyunghoon Min 2011-03-29 $1,187,000
7915112 Metal gate stress film for mobility enhancement in FinFET device Jeff J. Xu, Clement Hsingjen Wann, Chi Chieh Yeh 2011-03-29 $11,779,000
7785965 Dual storage node memory devices and methods for fabricating the same Unsoon Kim, Kyunghoon Min, Ning Cheng, Hiroyuki Kinoshita, Sugino Rinji +3 more 2010-08-31 $1,139,000
7767517 Semiconductor memory comprising dual charge storage nodes and methods for its fabrication Chungho Lee, Ashot Melik-Martirosian, Wei Zheng, Timothy Thurgate, Hiroyuki Kinoshita +2 more 2010-08-03 $3,923,000
7671403 P-channel NAND in isolated N-well Wei Zheng, Mark Randolph, Satoshi Torii 2010-03-02
7621173 Nano-identation ultrasonic detecting system and method thereof Jiong-Shiun Hsu, Kai Cheng, Yu-Shyan Liu, Jeah-Sheng Wu, Yu-Yi Su 2009-11-24
7288809 Flash memory with buried bit lines Richard Fastow, Sheung-Hee Park 2007-10-30 $2,971,000
6995423 Memory device having a P+ gate and thin bottom oxide and method of erasing same Wei Zheng, Tazrien Kamal 2006-02-07 $12,481,000
6989319 Methods for forming nitrogen-rich regions in non-volatile semiconductor memory devices Mark T. Ramsbey, Sameer Haddad, Vei-Han Chan, Yu Sun 2006-01-24 $11,964,000
6974995 Method and system for forming dual gate structures in a nonvolatile memory using a protective layer Angela T. Hui, Shenqing Fang, Hiroyuki Kinoshita, Kelwin Ko, Wenmei Li +2 more 2005-12-13 $8,414,000
6961267 Method and device for programming cells in a memory array in a narrow distribution Richard Fastow, Lee Cleveland 2005-11-01 $12,702,000