Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chennai, IN ranks #203 worldwide for total patents filed in 2021, with 663 patents from 470 inventors. Leading employers of inventors based in Chennai, IN include IBM, Bank of America, Disney.

Showing 1–50 of 470 inventors

Rank Inventor Primary Company Patents
1 Vijay Ekambaram IBM 49
2 Srikanth Govindaraj Tamilselvam IBM 13
3 Madhusudhanan Krishnamoorthy Bank of America 12
#4 Saravanan Sadacharam IBM 10
#5 Suki Ramasamy Bank of America 8
#6 B Hari Ram Disney 7
#7 Samuel Mathew Jawaharlal IBM 6
#8 Koushik M. VIJAYARAGHAVAN Accenture Global Solutions Limited 5
#8 Sainarayanan Gopalakrishnan Xerox 5
#10 Tamilarasan Mouniandy Ftc Solar 4
#10 Swaminathan Seetharaman Wipro Limited 4
#10 Lakshmi Narasimhan Ebay 4
#10 Jothi Gouthaman Accenture Global Solutions Limited 4
#10 Jagdish Chandra Saraswatula Kla-Tencor 4
#10 Lokesh Ramamurthy Becton, Dickinson And 4
#16 Radhika Golden Accenture Global Solutions Limited 3
#16 Kapil Das Sahu Air Distribution Technologies Ip 3
#16 Anand Srinivasan Srinivasan Natesan Koniniklijke Philips N.V. 3
#16 Venkadesan Marimuthu Nortonlifelock 3
#16 Sriram Ramanujam Johnson Controls Tyco Ip Holdings Llp 3
#16 Palanisamy Subramanian Dell Products 3
#16 Chander Govindarajan IBM 3
#16 Rajesh Jayaprakash Tata Consultancy Services Limited 3
#16 Sunil Mukundan Nicira 3
#25 Selvaraj Thangaraj Hcl Technologies Limited 2
#25 Sampath Kumar Rajamanickam Dell Products 2
#25 Rajagopal Jagannathan 2
#25 Senthil Nathan Muthukaruppan Dell Products 2
#25 Naveen Shanmugaraju Commscope Technologies 2
#25 Mukund Jaganmohan Caterpillar 2
#25 Koushik Ragavan Applied Materials 2
#25 Arunachalam Narayanan IBM 2
#25 Rajaraman Vaidyanathaswami Verizon 2
#25 Shanmughasamy Rajmahendra Biocon 2
#25 Manikandan Padmanaban IBM 2
#25 Dhurai Ganesan Ntt Data Services 2
#25 Ameli Merlin Soundararajan Hcl Technologies Limited 2
#25 Abhineythri Venkataraman 2
#25 Sriram Ragunathan 2
#25 Balaji Panchanathan Emc Ip Holding Company 2
#25 Srinarayana Nagarathinam Tata Consultancy Services Limited 2
#25 Arunachalam Jayaraman IBM 2
#25 Rajesh Nagarajan Accenture Global Solutions Limited 2
#25 Arun Purushothaman Accenture Global Solutions Limited 2
#25 Raja Subbiah Dell Products 2
#25 Rajasekar Kanagasabai Xerox 2
#25 Balaji Venkateswaran Accenture Global Solutions Limited 2
#25 Chandrasekhar Sriram Texas Instruments 2
#25 Somasundaram Meiyappan Bose 2
#25 Naveen Jafer Nizar Oracle 2