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 Fuji Electric Co., Mitsubishi Electric, Olympus.

Showing 14,001–14,050 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Takeshi Asagi Fuji Electric Co. 1
#6064 Shinya Hamamoto Mitsubishi Electric 1
#6064 Atsuo Takanishi Mitsubishi Electric 1
#6064 Tomohiro TAMI Mitsubishi Electric 1
#6064 Hiroko Sakamoto Olympus 1
#6064 Kiyoaki Ichihashi Mitsubishi Electric 1
#6064 Tsukasa CHIDA The University Of Tokyo 1
#6064 Shin Miyakawa Ribomic 1
#6064 Shinichi Ebe Nec 1
#6064 Tadafumi Kanayama Ihi 1
#6064 Koji Makihara Sumitomo Bakelite Co. 1
#6064 Aiko Masada Canon 1
#6064 Yuusuke Yamashita Kabushiki Kaisha Toshiba 1
#6064 Yukie Kajimura Nec 1
#6064 Taihei Hosokawa Dwango Co. 1
#6064 Naoki Imakita Renesas Electronics 1
#6064 Kazuhiro Kaminaga Subaru 1
#6064 Toshikazu Minamisawa Seikagaku 1
#6064 Osamu Kina Toppan Printing Co. 1
#6064 Osamu URUSHIBARA Toppan Printing Co. 1
#6064 Mihoko Odate Oki Data 1
#6064 Bungo Sakurai Tdk 1
#6064 Yumi Shiratori Nippon Kayaku 1
#6064 Takaho Yoshida Hitachi High-Technologies 1
#6064 Kaoru Usui Fujitsu Limited 1
#6064 Norihiro Andoh Lenovo (Singapore) Pte. 1
#6064 Hiromi Yamashita Hitachi 1
#6064 Kenzo Uchida Topy Kogyo Kabushiki Kaisha 1
#6064 Seiji Nobata Topy Kogyo Kabushiki Kaisha 1
#6064 Yoshifumi Asai Showa Denko K.K. 1
#6064 Seiji Oomura Topy Kogyo Kabushiki Kaisha 1
#6064 Shuichi Kira Mitsubishi Electric 1
#6064 Yoshiaki Itoh Sumitomo Electric Industries 1
#6064 Daigo Takagi Asahi Kasei Microdevices 1
#6064 Tamiaki Nakazawa Mitsubishi Electric 1
#6064 Tadashi Sakane Nichia 1
#6064 Mitsuharu Ikeda Illinois Tool Works 1
#6064 Koetsu Fujiwara Mitsubishi Motors 1
#6064 Yasunaga Ooiwa 1
#6064 Kazunari KASHIMA Tokyo Electric Power Company Holdings, Incorporated 1
#6064 Takeya Nakajima Tokyo Electric Power Company Holdings, Incorporated 1
#6064 Taiga Fuchino Hitachi-Johnson Controls Air Conditioning 1
#6064 Tomohito Akiyama Hitachi-Johnson Controls Air Conditioning 1
#6064 Katsumi Shibuya Akebono Brake Industry Co. 1
#6064 Daigo YONEDA Ihi 1
#6064 Yuki Takami Asahi Kasei Kabushiki Kaisha 1
#6064 Akinori Kaneko Bridgestone 1
#6064 Masashi Suematsu 1
#6064 Kyosuke Ogawa Canon 1
#6064 Bryn Baritompa Sony 1