Allan Yeh — 2 Patents at Ess Tech

Allan Yeh has been granted 2 US patents while listed as an inventor at Ess Tech. The first was granted in 2006 and the most recent in April 2007. Allan Yeh ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Allan Yeh in San Jose, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7199824	Intelligent blemish control algorithm and apparatus	Michael Chang, Kou-Hu Tzou	2007-04-03	$351,000
6985180	Intelligent blemish control algorithm and apparatus	Michael Chang, Kou-Hu Tzou	2006-01-10	$834,000

Allan Yeh — 2 Patents

Issued Patents All Time

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