Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Chi Chang — 27 Patents

VTVia Technologies: 20 patents #22 of 1,108Top 2%
HSHalliburton Energy Services: 4 patents #1,799 of 5,294Top 35%
C(Capella Microsystems (Taiwan): 1 patents #7 of 9Top 80%
WIWestern Atlas International: 1 patents #141 of 314Top 45%
Houston, TX: #632 of 21,073 inventorsTop 3%
Texas: #4,611 of 125,132 inventorsTop 4%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
Chi Chang has been granted 27 US patents while listed as an inventor at Via Technologies. The first was granted in 1989 and the most recent in March 2020. Chi Chang ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list Chi Chang in Houston, TX, US.

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10602031 Display apparatus and gamma curve compensation circuit and driving method thereof 2020-03-24
8723838 Sensor apparatus with different proximity sensors and sensing method thereof Cheng-Chieh Huang, Jinn-Ann Kuo, Yu Hao Kao 2014-05-13
8230946 Apparatus and methods for sidewall percussion coring using a voltage activated igniter Don Crawford, David L. Pozas 2012-07-31 $59,944,000
7958383 Computer system with adjustable data transmission rate Chien-Ping Chung, Cheng-Wei Huang 2011-06-07
7911238 Method of using a switch circuit in-phase switching clock signals Michael Lin 2011-03-22
7760840 Clock-signal adjusting method and device 2010-07-20
7733129 Method and circuit for generating memory clock signal 2010-06-08
7721137 Bus receiver and method of deskewing bus signals Ming-Te Lin 2010-05-18
7634677 Circuit and method for outputting aligned strobe signal and parallel data signal 2009-12-15
7584655 Formation tester tool seal pad Anthony Herman Van Zuilekom, Arian Abbas, Bruce Mackay 2009-09-08 $37,802,000
7573759 Method for detecting data strobe signal Bo-Wei Hsieh, Ming-Shi Liou, Weber Chuang 2009-08-11
7409005 High speed data transmitter and transmitting method thereof 2008-08-05
7382665 Method for detecting data strobe signal Bo-Wei Hsieh, Ming-Shi Liou, Weber Chuang 2008-06-03
7313187 High-speed serial linking device with de-emphasis function and the method thereof 2007-12-25
7278046 Circuit and method for outputting aligned strobe signal and parallel data signal 2007-10-02
7257035 Method for detecting data strobe signal Bo-Wei Hsieh, Ming-Shi Liou, Weber Chuang 2007-08-14
7155005 Apparatus for ring-back constriction Chin-Hsien Yen 2006-12-26
7121338 Probe isolation seal pad Anthony Herman Van Zuilekom 2006-10-17 $234,723,000
6898724 System for latching an output signal generated by comparing complimentary strobe signals and a data signal in response to a comparison of the complimentary strobe signals 2005-05-24
6897696 Duty-cycle adjustable buffer and method and method for operating same 2005-05-24
6864705 Output buffer with low power/ground bounce noise and method for operating the same 2005-03-08
6847238 Output circuit and method for reducing simultaneous switching output skew Yi-Kuang Wei, Heng-Chen Ho 2005-01-25
6753701 Data-sampling strobe signal generator and input buffer using the same 2004-06-22
6700438 Data comparator using non-inverting and inverting strobe signals as a dynamic reference voltage and input buffer using the same Yuang-Tsang Liaw 2004-03-02
6429703 Output circuit for high-frequency transmission applications 2002-08-06