Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–7 of 7 inventors

Rank Inventor Primary Company Patents
1 Yutaka Yamada Kabushiki Kaisha Toshiba 6
2 Hiroshi Kondo Canon 5
2 Masayuki Watanabe Konica Minolta 5
#4 Osamu Makino Sumitomo Electric Industries 2
#5 Naoyuki Suzuki Tokyo Electron Limited 1
#5 Hideaki Sugiura Makita 1
#5 Kazuhiko Miyazaki Nippondenso Co. 1