Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Mito, JP ranks #3,092 worldwide for total patents filed in 2022, with 38 patents from 28 inventors. Leading employers of inventors based in Mito, JP include Hitachi Astemo, Mitutoyo, Hitachi Construction Machinery Co..

Showing 1–28 of 28 inventors

Rank Inventor Primary Company Patents
1 Wataru Hatsuse Hitachi Astemo 3
1 Shinji Komatsuzaki Mitutoyo 3
3 Ryuu Narikawa Hitachi Construction Machinery Co. 2
3 Mikio Kasama 2
3 Hirotaka Ono NTT 2
3 Kazuhiko Tomita Hitachi 2
3 Masato Fukuda Hitachi High-Technologies 2
3 Akira Hamamatsu Hitachi High-Technologies 2
#9 Koichi Arishima NTT 1
#9 Akihito Sukegawa Mitsumi Electric Co. 1
#9 Yasunori Kawauchi Hitachi 1
#9 Motohaya Ishii NTT 1
#9 Kazuhiro Nakahara 1
#9 Katsuyoshi Tatenuma Kaken Co. 1
#9 Masataka HIRAI Denso 1
#9 Takuro Tsunaki Hitachi Automotive Systems 1
#9 Yoshiaki Akatsu Kaken Co. 1
#9 Tomohiko Kawakami Jfe Steel 1
#9 Norihiro Ikemoto Kaken Co. 1
#9 Yuri Natori Kaken Co. 1
#9 Masaki Sakashita Renesas Technology 1
#9 Kumiko Kamihara Hitachi High-Technologies 1
#9 Shigeyuki Tsurumi Nippon Telegraph And Telephone Public 1
#9 Yoshitaka Enomoto NTT 1
#9 Ryuji Kouno Hitachi Construction Machinery Co. 1
#9 Hideaki KIDO Renesas Electronics 1
#9 Keisuke Fujito Hitachi 1
#9 Shohei OGURA 1