Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Nagaokakyo, JP ranks #3,476 worldwide for total patents filed all time, with 852 patents from 12 inventors. Leading employers of inventors based in Nagaokakyo, JP include Kabushiki Kaisha Toshiba, Sony, Terumo Kabushiki Kaisha.

Showing 1–12 of 12 inventors

Rank Inventor Primary Company Patents
1 Akira Tanaka Kabushiki Kaisha Toshiba 394
2 Kenichi Kawasaki Sony 143
3 Yasushi Saito Sony 110
#4 Kosuke Nishio Terumo Kabushiki Kaisha 73
#5 Shin Hasegawa Murata Manufacturing Co. 36
#6 Tomohiro Nagai Murata Manufacturing Co. 31
#7 Koji Moriyama Murata Manufacturing Co. 25
#8 Shaojun MA Murata Manufacturing Co. 12
#9 Masaaki Adachi Daikin Industries 11
#10 Hiroshi Shiraki Murata Manufacturing Co. 9
#11 Jerry HSIEH Murata Manufacturing Co. 6
#12 Masafumi Naka Mitsubishi Electric 2

Part of California