Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–12 of 12 inventors

Rank Inventor Primary Company Patents
1 Tomohiro Kubota Ricoh Company 9
2 Naoyoshi Tamura Fujitsu Semiconductor Limited 4
2 Akinori Mizumura Molex 4
#4 Takuya Sato Tdk 3
#5 Yoshio Sato Hitachi 2
#5 Makoto Imai Toyota 2
#5 Masahiro Moriyama 2
#8 Kouji Suzuki Kabushiki Kaisha Toshiba 1
#8 Akio Fujii Canon 1
#8 Yutaka Kaneko Konica 1
#8 Tomohiko Hayashi Seiko Epson 1
#8 Houjin Huang Sony 1

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