Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Mito, JP ranks #3,181 worldwide for total patents filed in 2021, with 38 patents from 29 inventors. Leading employers of inventors based in Mito, JP include Shimadzu, Hitachi, Hitachi Automotive Systems.

Showing 1–29 of 29 inventors

Rank Inventor Primary Company Patents
1 Masaki Kanai Shimadzu 5
2 Muneo Maeshima Hitachi 3
3 Masahide Hayashi Hitachi Automotive Systems 2
3 Keisuke Fujito Hitachi 2
3 Yoichiro Saito Honda Motor Co. 2
#6 Akira Hamamatsu Hitachi High-Technologies 1
#6 Masanori Miyoshi Hitachi 1
#6 Satoru Tomaru NTT 1
#6 Kazuhiro Zama Hitachi High-Technologies 1
#6 Hiromichi Koizumi Mitsubishi Materials 1
#6 Hiroshi Tabata Honda Motor Co. 1
#6 Ryutaro Kikuchi Hitachi 1
#6 Wataru Hatsuse Hitachi Astemo 1
#6 Koichi Arishima NTT 1
#6 Tetsuo Miya Nippon Telegraph And Telephone Public 1
#6 Makoto Nagase Seiko Epson 1
#6 Yasuo Takahashi Mitsubishi Hitachi Power Systems 1
#6 Motohaya Ishii NTT 1
#6 Hirotaka Ono NTT 1
#6 Ryuta KINOSHITA Hitachi Automotive Systems 1
#6 Shingo Ashihara Hitachi 1
#6 Naofumi Chiwata Hitachi 1
#6 Kishio Arita Nippon Telegraph And Telephone Public 1
#6 Atsushi Tachigami Hitachi Ulsi Systems Co. 1
#6 Satoru Okazaki Nikon 1
#6 Yohei MAGARA Hitachi 1
#6 Kazuhiko Tomita Hitachi 1
#6 Kenichi Shimomai Victor Company Of Japan 1
#6 Katsuhide Oohashi Hitachi 1