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USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Masahiko Tsunoda Kabushiki Kaisha Toshiba 1
1 Motoyuki Murakoso Sanyo Electric Co. 1
1 Yasuo Ezaki Excell 1
1 Mitsunobu Aoyama Maruo Calcium Co. 1