Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–16 of 16 inventors

Rank Inventor Primary Company Patents
1 Kunikazu Koura Mitsubishi Electric 4
2 Toshikatsu Kashiwaya Ngk Insulators 2
2 Tomoyoshi Yamada Fujitsu Limited 2
#4 Yasumasa Haruta Mitsubishi Electric 1
#4 Tomohide Yamagishi Fujitsu Limited 1
#4 Monoru Shibata Toyoda Gosei Co. 1
#4 Nakakatsu Takeno Menicon Co. 1
#4 Kouji Sakurai Toyoda Gosei Co. 1
#4 Toshihiko Asaya Toyoda Gosei Co. 1
#4 Tomomichi Mizoguchi Denso 1
#4 Shigeo Matsumoto Sony 1
#4 Hironori Takano Canon 1
#4 Makoto Shiranami Ntn 1
#4 Masayuki Nishikawa 1
#4 Akio Iwata Fujitsu Limited 1
#4 Naoki Kaneyama Toyoda Gosei Co. 1