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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Madurai, IN ranks #3,526 worldwide for total patents filed in 2021, with 33 patents from 19 inventors. Leading employers of inventors based in Madurai, IN include Honeywell, Applied Materials, Walmart Apollo.

Showing 1–19 of 19 inventors

Rank Inventor Primary Company Patents
1 Kirupakar Janakiraman Honeywell 9
2 Gobinathan Baladhandapani Honeywell 3
2 Hariharan Saptharishi Honeywell 3
#4 Karuppasamy Muthukamatchi Applied Materials 2
#4 Abhisekh Jain Honeywell 2
#6 Karthikeyan Karunanithi Walmart Apollo 1
#6 Shajahan Sheriff Honeywell 1
#6 Venkatesh J. Ramesh PayPal 1
#6 Naga Sundar KandhaMunisamy Honeywell 1
#6 Santhosh Sivasubramani Ceremorphic 1
#6 Dinesh Kumar Prakasam Infinera 1
#6 Sakthi Prakash Marakkannu Honeywell 1
#6 Kannan Raman Hand Held Products 1
#6 Siva Prakash Rajaram Seagate Technology 1
#6 Sithu Dhamodharan Sudarsan Abb Schweiz Ag 1
#6 Sethuraman Vijayakumar Zebra Technologies 1
#6 Lakshmi Narayanan LakshmanaPerumal Becton, Dickinson And 1
#6 SivaKumar Balla Honeywell 1
#6 Rajesh Kulandaivel Sankarapandian Honeywell 1