Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Hiroshi Kuroda Mitsui Chemicals 3
2 Noboru Endo Hitachi 2
2 Kazuhiko Kawasaki Mitutoyo 2
#4 Hanping Miao Japan As Represented By Director General Of National Research Institute Of Metals 1

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