Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2019, with 30,927 patents from 15,298 inventors. Leading employers of inventors based in Tokyo, JP include Agc, Mitsubishi Electric, Hitachi Medical.

Showing 12,251–12,300 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Satoshi Kanasugi Agc 1
#6064 Hisashi Ichikawa 1
#6064 Yoshihide Kikuichi Mitsubishi Electric 1
#6064 Takeshi Yatsuo Hitachi Medical 1
#6064 Sumito Ueta Japan Display 1
#6064 Yuichi Ozawa Tokyo Seimitsu Co. 1
#6064 Masakazu Nose Mitsubishi Electric 1
#6064 Toshio Masuda Hitachi 1
#6064 Takuya Higuchi Dai Nippon Printing Co. 1
#6064 Makoto Kishi Mitsubishi Electric 1
#6064 Kazuhiko Kamo Mitsubishi Electric 1
#6064 Masakazu KUME Hitachi Chemical Company 1
#6064 Hiroshi Kaneshige Thk Co. 1
#6064 Hidetoshi Takahashi The University Of Tokyo 1
#6064 Yoshihide Yamaguchi Hitachi 1
#6064 Hiromi Goda Mitsubishi Electric 1
#6064 Kentaro Hoshino Mitsubishi Electric 1
#6064 Masashi Hirabe Nec 1
#6064 Toru Koike Canon 1
#6064 Hiroko Kurihara Hitachi Industrial Equipment Systems Co. 1
#6064 Masataka Hidaka Hitachi 1
#6064 Kazuaki KITO Hitachi-Ge Nuclear Energy 1
#6064 Shohei Katayama Mitsubishi Electric 1
#6064 Kenki Takagi Nec 1
#6064 Tomozou Tanaka Nec 1
#6064 Yoshitaka Tone Toyo Ink Sc Holdings Co. 1
#6064 Akira Mogi Honda Motor Co. 1
#6064 Keigo Okada Mitsubishi Electric 1
#6064 Tsuyoshi Chiba Nitto Denko 1
#6064 Kyohei TAKANO Sony 1
#6064 Katsuhiro Hotta Mitsubishi Hitachi Power Systems 1
#6064 Takayuki TAKAZAWA Oki Data 1
#6064 Shiori Tsugawa Konica Minolta 1
#6064 Junichi Gokurakuji Nec 1
#6064 Tomoyuki Hamamura Kabushiki Kaisha Toshiba 1
#6064 Yukinobu Moriya IBM 1
#6064 Noriko Saito Topcon 1
#6064 Sakae Mishina Nichia 1
#6064 Kenzaburo Fujishima Hitachi 1
#6064 Kazuyoshi Oshima Sugatsune Kogyo Co. 1
#6064 Yu Murakami Ihi 1
#6064 Toshihide Ono Sumitomo Metal Industries 1
#6064 Kenzo Date 1
#6064 Yusuke Inui Canon 1
#6064 Jun Murayama Sony 1
#6064 Katsuhisa Kataoka IBM 1
#6064 Hiroaki Miyashita Mitsubishi Electric 1
#6064 Takayuki Hirose Ihi 1
#6064 Jiro Asakuno Mitsubishi Hitachi Power Systems 1
#6064 Michiaki Kobayashi Dai Nippon Insatsu 1