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

Michael Chang — 7 Patents

ETEss Tech: 3 patents #26 of 112Top 25%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
San Jose, CA: #8,545 of 32,062 inventorsTop 30%
California: #83,669 of 386,348 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Michael Chang has been granted 7 US patents while listed as an inventor at Ess Tech. The first was granted in 2006 and the most recent in June 2021. Michael Chang ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Michael Chang in San Jose, CA, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D920751 Garden trimmer edger attachment 2021-06-01
10709062 Line trimmer and shredder apparatus 2020-07-14
7199824 Intelligent blemish control algorithm and apparatus Allan Yeh, Kou-Hu Tzou 2007-04-03 $351,000
7082009 Accurate tracking of coil resistance based on current, voltage and angular velocity Fernando A. Zayas 2006-07-25 $773,000
7016410 Adaptive bit rate allocation Ying-Ming Wang, Tai Jing 2006-03-21 $691,000
7009806 Accurate tracking of coil resistance Fernando A. Zayas 2006-03-07 $386,000
6985180 Intelligent blemish control algorithm and apparatus Allan Yeh, Kou-Hu Tzou 2006-01-10 $834,000