Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Nagendran Parasu — 8 Patents

Cisco: 7 patents #2,018 of 13,007Top 20%
Virginia: #3,838 of 34,511 inventorsTop 15%
Overall (All Time): #656,639 of 4,157,543Top 20%
8 Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7668919 Scalable IP-based notification architecture for unified messaging Brenda Gates Spielman, Lewis Dean Dodrill, Satish Joshi, Robert J. Lockwood 2010-02-23
7574487 Messaging system configured for selectively accessing subscriber spoken name from a directory server based on determined unavailability of messaging server Geetha Ravishankar, Satish Joshi, Zhiwei Zhang 2009-08-11
7092497 Arrangement for common-format notification delivery messages based on notification device type in an IP-based notification architecture Brenda Gates Spielman, Lewis Dean Dodrill, Satish Joshi, Robert J. Lockwood 2006-08-15
6973617 Apparatus and method for contacting a customer support line on customer's behalf and having a customer support representative contact the customer 2005-12-06
6874011 Scalable IP-based notification architecture for unified messaging Brenda Gates Spielman, Lewis Dean Dodrill, Satish Joshi, Robert J. Lockwood 2005-03-29
6671355 Arrangement for common-format notification delivery messages based on notification device type in an IP-based notification architecture Brenda Gates Spielman, Lewis Dean Dodrill, Satish Joshi, Robert J. Lockwood 2003-12-30
6665378 IP-based notification architecture for unified messaging Brenda Gates Spielman, Lewis Dean Dodrill, Satish Joshi, Robert J. Lockwood 2003-12-16
6560318 Arrangement for managing notification preferences for notification delivery messages in an IP-based notification architecture Brenda Gates Spielman, Geetha Ravishankar, Govind Pande, Satish Joshi, Robert J. Lockwood 2003-05-06