Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Yokkaichi, JP ranks #4,024 worldwide for total patents filed all time, with 710 patents from 10 inventors. Leading employers of inventors based in Yokkaichi, JP include Kabushiki Kaisha Toshiba, Tokyo Electron Limited, Sandisk Technologies.

Showing 1–10 of 10 inventors

Rank Inventor Primary Company Patents
1 Hideaki Aochi Kabushiki Kaisha Toshiba 219
2 Ryota Katsumata Kabushiki Kaisha Toshiba 190
3 Takamasa Usui Kabushiki Kaisha Toshiba 75
#4 Takuya Mori Tokyo Electron Limited 73
#5 Seiji Inumiya Kabushiki Kaisha Toshiba 51
#6 Akio Kaneko Kabushiki Kaisha Toshiba 39
#7 Mitsuhiro Togo Sandisk Technologies 28
#8 Fumitaka Amano Sandisk Technologies 25
#9 Tetsuya Kamigaki Kabushiki Kaisha Toshiba 7
#10 Katsuji Douki Jsr 3

Part of New York