Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–15 of 15 inventors

Rank Inventor Primary Company Patents
1 Kenji Shimizu Showa Denko K.K. 6
2 Toru Sugiyama Kabushiki Kaisha Toshiba 4
3 Tomohiro Inoue Ricoh Company 3
3 Hiroshi Nakashima NTT 3
3 Daisuke Aoki Canon 3
#6 Norio Yamamoto Denso 2
#6 Makoto Niimi Spansion Llc. 2
#8 Takayuki Mizuno NTT 1
#8 Ichiro Kudo NTT 1
#8 Takeshi Ohno Yokogawa Electric 1
#8 Yoshiya Watanabe Audio-Technica 1
#8 Yuki Kuroda Hitachi 1
#8 Yoshitaka Sato Olympus 1
#8 Yasunari Tanaka Hitachi 1
#8 Tetsuya Suzuki Koito Manufacturing Co. 1