Sivakumar Ravikumar — 6 Patents at Damaka

Sivakumar Ravikumar has been granted 6 US patents while listed as an inventor at Damaka. The first was granted in 2004 and the most recent in August 2011. Sivakumar Ravikumar ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Sivakumar Ravikumar in Dublin, OH, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
8000325	System and method for peer-to-peer hybrid communications	Satish Gundabathula, Rameshkumar Ravikumar	2011-08-16
7656870	System and method for peer-to-peer hybrid communications	Satish Gundabathula, Rameshkumar Ravikumar	2010-02-02
7623476	System and method for conferencing in a peer-to-peer hybrid communications network	Satish Gundabathula	2009-11-24
7570636	System and method for traversing a NAT device for peer-to-peer hybrid communications	Satish Gundabathula	2009-08-04
6950441	System and method to internetwork telecommunication networks of different protocols	Casimir M. Kaczmarczyk	2005-09-27	$18,375,000
6775269	Method and system for routing telephone calls between a public switched telephone network and an internet protocol network	Casimir M. Kaczmarczyk, George A. Cowgill, Bo-Hun Chen, Ravindra K. Chillara, Atousa Raissyan +1 more	2004-08-10

Sivakumar Ravikumar — 6 Patents

Issued Patents All Time

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