Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 Naoko Iwami Hitachi 6
2 Kenya Shitara Kyowa Hakko Kogyo Co. 3
3 Shoichi Kawamura Fujitsu Limited 2
#4 Tetsuya Masuishi Hitachi 1
#4 Hiroyuki Adachi Kyocera 1
#4 Yutaka Tokura Canon 1

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