Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chennai, IN ranks #425 worldwide for total patents filed all time, with 7,511 patents from 3,155 inventors. Leading employers of inventors based in Chennai, IN include IBM, Bank of America, Xerox.

Showing 1–50 of 3,155 inventors

Rank Inventor Primary Company Patents
1 Vijay Ekambaram IBM 285
2 Madhusudhanan Krishnamoorthy Bank of America 94
3 Srikanth Govindaraj Tamilselvam IBM 63
3 Sainarayanan Gopalakrishnan Xerox 63
#5 Saravanan Sadacharam IBM 47
#6 Suki Ramasamy Bank of America 46
#7 Samuel Mathew Jawaharlal IBM 41
#8 Bhaskar Ramamurthi Centre Of Excellence In Wireless Technology 40
#9 Navaneeth Krishnan Ramaswamy Broadcom 36
#9 Sunil Mukundan Nicira 36
#11 Venkatesan Balakrishnan American Megatrends 33
#12 Rangarajan Sundarakrishnamachari Aptiv Technologies Ag 28
#12 Swaminathan Seetharaman Wipro Limited 28
#14 Manikandan Padmanaban IBM 27
#15 Rajasekar Kanagasabai Xerox 25
#16 Koushik M. VIJAYARAGHAVAN Accenture Global Solutions Limited 23
#16 Bipul Das GE 23
#16 Ramasubramani Mahadevan Dell Products 23
#16 Sunil Kaimalettu Centre Of Excellence In Wireless Technology 23
#16 Jeniston Deviraj Klutto Milleth Centre Of Excellence In Wireless Technology 23
#21 Sridevi Kannan IBM 22
#21 Venkata Subramanian Jayaraman 22
#21 Sudhakar Balu Bank of America 22
#24 Iftikhar Ahamath Burhanuddin Adobe 19
#24 B Hari Ram Disney 19
#24 Arunchandar Vasan Tata Consultancy Services Limited 19
#27 Tamilarasan Mouniandy Ftc Solar 18
#27 Simy Chacko Hcl Technologies Limited 18
#27 Chandrasekaran Mohandoss Centre Of Excellence In Wireless Technology 18
#30 Venkatesh Sarangan Tata Consultancy Services Limited 17
#30 Krithika Viswanathan Bank of America 17
#30 Chander Govindarajan IBM 17
#33 Subramanian Anantharaman Qualcomm 16
#34 Karthikeyan Krishnaswamy Raja Open Weaver 15
#34 Somasundaram Meiyappan Bose 15
#34 Sriram Ramanujam Johnson Controls Tyco Ip Holdings Llp 15
#37 Mohammed Khan Jaguar Land Rover Limited 14
#37 Subburathinam Krishnan Bank of America 14
#37 Sundarrajan Raman Bank of America 14
#37 Padmavathi Balumuri Novozymes A/S 14
#37 Dhurai Ganesan Ntt Data Services 14
#37 Vijayaraghavan Koushik Accenture Global Solutions Limited 14
#37 Archana Sekar Genesys Cloud Services 14
#37 Raghuram Devalla Ramco Systems Limited 14
#37 Arjun Baskaran Verizon 14
#37 Janani Swaminathan IBM 14
#37 Rajesh Nagarajan Accenture Global Solutions Limited 14
#37 Surendran Ramasamy Lennox Industries 14
#49 Gopalan Balasubramanian Glenmark Pharmaceuticals S.A. 13
#49 Lakshmi Narasimhan Ebay 13