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 Hitachi High-Tech Science, Tanaka Kikinzoku Kogyo K.K., Nabtesco.

Showing 9,851–9,900 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Fumio Aramaki Hitachi High-Tech Science 1
#6064 Tsuyoshi Kenri Tanaka Kikinzoku Kogyo K.K. 1
#6064 Yasuhito Ida Nabtesco 1
#6064 Chikara Aikawa Disco 1
#6064 Yusuke Hisamoto Metawater Co. 1
#6064 Masahito Kikuchi Sony 1
#6064 Masa Yamashima Mitsubishi Electric 1
#6064 Masayuki Kitamasu Suntory Holdings Limited 1
#6064 Takateru Inage Nippon Steel & Sumitomo Metal 1
#6064 Kenshiro Hanamoto Konami Digital Entertainment Co. 1
#6064 Yoshinori Ojima Ebara 1
#6064 Tomomi Tokunaga National University Orporation Tokyo University Of Agriculture And Technology 1
#6064 Nobuhiro Tokumori Mitsubishi Electric 1
#6064 Kenji Miyasaka Mitsubishi Electric 1
#6064 Kazuhisa Yamauchi Mitsubishi Electric 1
#6064 Shizunobu Igimi Anaeropharma Science 1
#6064 Yoshifumi Tomomatsu Mitsubishi Electric 1
#6064 Nao Morita Pentel Kabushiki Kaisha 1
#6064 Masahiro Osakabe Fuji Electric Co. 1
#6064 Shinji Kawaida Bridgestone Tire Company Limited 1
#6064 Keiji Miyatsu Fujitsu Component Limited 1
#6064 Yuji Masamoto Adeka 1
#6064 Mitsuhara Hashiba Mitsubishi Electric 1
#6064 Kazuaki Mitsuyasu Nippon Steel & Sumitomo Metal 1
#6064 Hirofumi Emi Hitachi Kokusai Electric 1
#6064 Kenzo Tsuihiji Audio-Technica 1
#6064 Shigeki Ooba Mitsubishi Pencil Company, Limited 1
#6064 Tatsuyuki Onozaki Ricoh Imaging Company 1
#6064 Shouzou Akagi Asahi Kasei Kabushiki Kaisha 1
#6064 Shotaro Moriya Mitsubishi Electric 1
#6064 Toyonobu Usuki Sophia School 1
#6064 Kakeru SEINO Nec 1
#6064 Norihiko Sugihara Nihon Kohden 1
#6064 Michael Anuzis Google 1
#6064 Yusuke Fujihara Hitachi 1
#6064 Shinichi Nukumizu Japan Display 1
#6064 Atsuhiro Yamano Sumitomo Electric Industries 1
#6064 Ryuuji Nakayama 1
#6064 Yuuichi KIYOKAWA 1
#6064 Toshikazu Yajima Ebara 1
#6064 Tohru Nojiri Hitachi 1
#6064 Takamichi Hayashi Sony 1
#6064 Takahide Ohtake 1
#6064 Akio Yabe Hitachi Media Electronics Co. 1
#6064 Seisaku Imagawa Mitsubishi Electric 1
#6064 Misako Yoneda The University Of Tokyo 1
#6064 Toshinori Kifuku Sumitomo Bakelite Co. 1
#6064 Mitsuhiro Nomura Toyota 1
#6064 Koichi Enomoto Intercontinental Great Brands 1
#6064 Toshiaki Matsuo Hitachi 1