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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Nirasaki, JP ranks #8,325 worldwide for total patents filed all time, with 262 patents from 5 inventors. Leading employers of inventors based in Nirasaki, JP include Ngk Insulators, The Singer Company N.V., Dai Nippon Printing Co..

Showing 1–5 of 5 inventors

Rank Inventor Primary Company Patents
1 Hirofumi Yamaguchi Ngk Insulators 81
2 Shinji Kojima The Singer Company N.V. 72
3 Kazuki Yamada Dai Nippon Printing Co. 57
#4 Satoshi Wakabayashi Ebara 35
#5 Takeshi Oyama Tokyo Electron Limited 17