I-Hsiang Yu — 10 Patents at Verizon

I-Hsiang Yu has been granted 10 US patents while listed as an inventor at Verizon. The first was granted in 1991 and the most recent in May 2010. I-Hsiang Yu ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list I-Hsiang Yu in Mahwah, NJ, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7720082	System and method for short message service and instant messaging continuity	Sharon Fridman, Ben Volach, Ran Makavy, Brian Rosen, Thomas C. Ely	2010-05-18	$7,827,000
6535746	Method and apparatus supporting short message services in a wireless number portability environment	May Y. Chan	2003-03-18	$404,243,000
6445785	Methods and apparatus for local number portability in telecommunication systems	May Y. Chan, Blayne Maring, David Wang	2002-09-03	$311,426,000
6338140	Method and system for validating subscriber identities in a communications network	Leslie Dale Owens, Mark S. Plecity, Alvah B. Davis, David T. Kiswani	2002-01-08
6240296	Method and apparatus for supporting short message services in a wireless number portability environment	May Y. Chan	2001-05-29	$374,730,000
6192241	Worldwide wireless subscriber access service	Jeffrey L. Crollick	2001-02-20	$1,458,552,000
5787347	Method and apparatus for selecting a cellular system for communication with a cellular telephone in a roaming area	Daniel Borkowski, Kenneth Chao	1998-07-28	$149,531,000
5764745	Apparatus and method for local number portability using nongeographic subscriber numbers	May Y. Chan, Arthur Anthony Giordano	1998-06-09	$326,350,000
5204902	Cellular telephony authentication arrangement	James Alexander Reeds, III, Philip Andrew Treventi	1993-04-20
5018187	Mobile telephone intrasystem and intersystem enhanced handoff method and apparatus for limiting trunk switching connections	John A. Marinho, Steven James Pilgrim	1991-05-21

I-Hsiang Yu — 10 Patents

Issued Patents All Time

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