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USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Kenichi Hattori Hitachi 5
2 Hirohisa Iizuka Kabushiki Kaisha Toshiba 2
3 Mamoru Nozomi Mitsubishi Chemical 1
3 Yuji Hatano Hitachi 1

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