Henry Chang — 3 Patents at IBM

Henry Chang has been granted 3 US patents while listed as an inventor at IBM. The first was granted in 1980 and the most recent in February 2007. Henry Chang ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Henry Chang in San Jose, CA, US.

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Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7177862	Method and structure for federated web service discovery search over multiple registries with result aggregation	Liang Zhang, Rama Kalyani T. Akkiraju, Tian-Jy Chao, Jen-Yao Chung, David Flaxer +3 more	2007-02-13	$5,980,000
RE31069	Apparatus and method for record reorientation following error detection in a data storage subsystem	Wolfgang H. Hausen	1982-10-26
4209809	Apparatus and method for record reorientation following error detection in a data storage subsystem	Wolfgang H. Hausen	1980-06-24	$20,171,000

Henry Chang — 3 Patents

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