Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–14 of 14 inventors

Rank Inventor Primary Company Patents
1 Haruki Izumikawa Kddi 3
2 Yasuhiro Takishima Kddi 2
2 Takashi Fujimura Topcon 2
2 Yoshiaki Amano Hitachi 2
#5 Atsushi Tagami Kddi 1
#5 Yuichiro Hei Toyota 1
#5 Makoto Toko Kabushiki Kaisha Toshiba 1
#5 Hiromi Ishizaki Kddi 1
#5 Toshinori Suzuki Kddi 1
#5 Masatomo Nishizaka Honda Motor Co. 1
#5 Keitaroh Nakamura Nisshin Engineering 1
#5 Satomi Nozaki Incorporated Administrative Agency National Agriculture And Food Research Organization 1
#5 Kaoru Miyakoshi New Japan Radio Co. 1
#5 Yoshihiko Hisadome Canon 1