Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–10 of 10 inventors

Rank Inventor Primary Company Patents
1 Takashi Shibata Nec 9
2 Kazuhiro Yoshida Murata Manufacturing Co. 8
3 Shu Yoshida Mitsubishi Gas Chemical Company 5
#4 Takafumi Ueno Nissan Motor Co. 3
#4 Yasuhiro Yamasaki Orient Chemical Industries Co. 3
#6 Takashi Miyauchi Canon 2
#6 Yasutaka Nishida Hitachi 2
#8 Stephen G. Perun IBM 1
#8 Ryuichi Murasaki Ykk 1
#8 Masao Nagai Mizuno 1

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