Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–20 of 20 inventors

Rank Inventor Primary Company Patents
1 Norio Takahashi Kabushiki Kaisha Toshiba 5
2 Tatsuo Takamure Nippon Valqua Industries 2
3 Toshiyuki Fukushima Panasonic 1
3 Yoshiyuki Ohsugi Chugai Pharmaceutical 1
3 Kazunobu Abe Sakai Chemical Industry Co. 1
3 Naohiko Hayashi Canon 1
3 Yasutsugu Uejima Illinois Tool Works 1
3 Takuo Nakade Nomura Plating Co. 1
3 Makoto Horinouchi Nec Lcd Technologies 1
3 Hisatsugu Izuhara Panasonic 1
3 Ken Asada Hitachi 1
3 Yasuyuki Higashi Astellas Pharma 1
3 Yusuke Nogami Nec Lcd Technologies 1
3 Yoshiharu Ohta Minolta 1
3 Koichi Honke Kobe Steel 1
3 Tsutomu Morikawa Nomura Plating Co. 1
3 Takayuki Doi Takeda Chemical Industries 1
3 Kazuyoshi Sudeji 1
3 Hiroshi Ihara Daiken Iki Kabushiki Kaisha 1
3 Kouji Kawaguchi Seiko Instruments 1