John Chen Chiang Ho — 3 Patents at Frequency Electronics

John Chen Chiang Ho has been granted 3 US patents while listed as an inventor at Frequency Electronics. The first was granted in 2003 and the most recent in November 2013. John Chen Chiang Ho ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list John Chen Chiang Ho in Woodbury, NY, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8579591	Centrifugal compressor impeller	Bo Zheng, Timothy M. Hollman, Kevin K. Taft, Jang Jo, Anthony C. Jones	2013-11-12	$25,303,000
6753737	Precision oven-controlled crystal oscillator	Charles Stone, Thomas McClelland	2004-06-22	$1,008,000
6577201	Precision oven-controlled crystal oscillator	Charles Stone, Thomas McClelland	2003-06-10	$956,000

John Chen Chiang Ho — 3 Patents

Issued Patents All Time

Patent Widget