Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–3 of 3 inventors

Rank Inventor Primary Company Patents
1 Tsutomu Sato Kabushiki Kaisha Toshiba 11
2 Takeshi Masuda Sharp Kabushiki Kaisha 4
3 Ryohei Ueno Ihara Chemical Industry Co. 2

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