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, Nikon, Mitsubishi Heavy Industries Machinery Systems.

Showing 13,751–13,800 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Toshihisa Okada Agc 1
#6064 Kazuyuki Kazami Nikon 1
#6064 Takuma Okazaki Mitsubishi Heavy Industries Machinery Systems 1
#6064 Junji Tada Canon 1
#6064 Katsuya Toyoshima Car Mate Mfg. Co. 1
#6064 Kazuyuki Horio Panasonic 1
#6064 Kiyoshi Ikehara Bridgestone 1
#6064 Yusuke Henmi Oki Data 1
#6064 Shinya Katsumata Canon 1
#6064 Kenichi Kashima Hitachi Kokusai Electric 1
#6064 Toshiyuki Yasutomi Mitsubishi Electric 1
#6064 Motohiro Kawasaki Smk 1
#6064 Shunsuke Uesaka Hitachi 1
#6064 Chiori Saito Nikon 1
#6064 Michiyo Ogawa Nikon 1
#6064 Ryoichi Inanami Kabushiki Kaisha Toshiba 1
#6064 Keiichi Sakamaki Hitachi Kokusai Electric 1
#6064 Naoki Honishi Mitsubishi Electric 1
#6064 Tomohiro Seki Mitsubishi Electric 1
#6064 Sho Onodera Mitsubishi Electric 1
#6064 Keisuke Shigeta Asahi Kasei Kabushiki Kaisha 1
#6064 Shigefumi Tamura Sony 1
#6064 Atsuhiko Hattori Chuo Hatsujo 1
#6064 Daisuke Tsumura Komatsu 1
#6064 Misuzu Sagawa Hitachi 1
#6064 Fumikazu Hatanaka Sony 1
#6064 Hiroyasu Yoshizawa Hitachi 1
#6064 Yuki Owashi Fujifilm 1
#6064 Toshiyuki Naito Ihi 1
#6064 Kazuyuki Wakasugi Mitsubishi Heavy Industries Engineering 1
#6064 Keishi Ooshima Hitachi 1
#6064 Tsutomu Miyashita Fujitsu Limited 1
#6064 Satoshi Isa Elpida Memory 1
#6064 Tamotsu Koike Fujitsu Component Limited 1
#6064 Kazuhiro Koudate Renesas Electronics 1
#6064 Tadaomi MATSUMOTO Disco 1
#6064 Takenori Murase Hitachi 1
#6064 Toshiro Kisakibaru Sony 1
#6064 Satoru Ochiai Ngk Spark Plug Co. 1
#6064 Mitsuaki Katagiri Elpida Memory 1
#6064 Tomoyuki Kudoh Canon 1
#6064 Nozomu Sato Union Tool 1
#6064 Hideomi Idei Hitachi 1
#6064 Yusuke TAZOE Kabushiki Kaisha Toshiba 1
#6064 Ken Nakajima Sony 1
#6064 Toru Miyake Sony 1
#6064 Kentaro Yasunaka Sony 1
#6064 Kiyoshi Hata Ricoh Company 1
#6064 Naoko Mikami Ajinomoto Co. 1
#6064 Seiki NAKAMURA Mitsubishi Electric 1