Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kitami, JP ranks #7,790 worldwide for total patents filed all time, with 287 patents from 98 inventors. Leading employers of inventors based in Kitami, JP include Sato, Oki Electric Industry Co., Canon.

Showing 1–50 of 98 inventors

Rank Inventor Primary Company Patents
1 Tadao Kashiwaba Sato 30
2 Takaaki Sasaki Oki Electric Industry Co. 19
3 Shigeki Sakurai Canon 16
#4 Tomoyoshi Akashi Kyocera 13
#4 Kouji Shishime Mazda Motor 13
#6 Masao Nagata Yanmar Holdings Co. 10
#6 Yoshiyuki Okishima Hitachi 10
#8 Arata Kagiyama Hitachi 7
#8 Akio Tada National University Corporation Kitami Institute Of Technology 7
#10 Keikichi Sugiyama Lion Group 6
#10 Tadashi Izawa Konica 6
#10 Takamasa Yagi J.S.T. Mfg. Co. 6
#10 Yong Wang Panasonic 6
#14 Takashi Matsushige Sony 5
#15 Hideto Sonoda Kyocera 4
#15 Kazunori Hikone Hitachi 4
#17 Shoshichi Sotoda 3
#17 Michifumi Shoda Kyocera 3
#17 Michifumi Shouda Kyocera 3
#17 Kenji Hamaogi Nippon Steel 3
#17 Chikashi Izumi Hokkaido Sugar Co. 3
#17 Yoshiomi Wada 3
#17 Noriharu Miyaho NTT 3
#17 Yasushi Iseda Honda Motor Co. 3
#17 Isao Amari Japan Cash Machine Co. 3
#17 Goroku Shimoma Hitachi High-Technologies 3
#17 Ensei Ko Ishizuka Research Institute 3
#28 Masahiko Nishiguchi Ministry Of International Trade & Industry 2
#28 Eiji Sugano 2
#28 Yutaka Katoh Zeon 2
#28 Kenta Shimizu Dic 2
#28 Chieko Nakagawa 2
#28 Mitsuuru Emi Myriad Genetics 2
#28 Masahiko Uchita Toshiba Ceramics Co. 2
#28 Akiko Kanamori The Burnham Institute 2
#28 Takaaki Isono Fuji Electric Co. 2
#28 Mamoru Tsumagari Hitachi 2
#28 Hiroaki Fukami Yamaha 2
#28 Tadashi Sasazuka Hokkaido Sugar Co. 2
#28 Kazuhiro Iwabuchi Kyocera 2
#28 Sanpei Sato Denyo Co. 2
#28 Kazuo Husimi Dkk Company, Limited 2
#28 Yoichi Fujinori Aisin Seiki Kabushiki Kaisha 2
#28 Rikio Tsuchiya Minebea Co. 2
#28 Masaaki Odakura Hitachi 2
#28 Toshio Ikenaga Unknown 2
#28 Kiyohiko Kuramoto Kyocera 2
#28 Haruhiko Horino Daiichi Pharmaceutical Co. 2
#49 Hiroshige Kurosaka Hitachi Construction Machinery Co. 1
#49 Hiroto Nakamata Minebea Co. 1