Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Home › Cities › Yokohama, JP

Yokohama, JP All Time

432,220 patents  ·  49,251 inventors

Ranked #6 of 111,555 cities Top 1%

Yokohama, JP ranks #6 worldwide for total patents filed all time, with 432,220 patents from 49,251 inventors. Leading employers of inventors based in Yokohama, JP include Ikeda Bussan Co., Nippon Oil, Mitsui Toatsu Chemicals, Incorporated.

Showing 15,951–16,000 of 49,251 inventors

Rank Inventor Primary Company Patents
#14781 Tadashi Kawakita Ikeda Bussan Co. 6
#14781 Saburo Matsubara Nippon Oil 6
#14781 Ichiro Otsuka Mitsui Toatsu Chemicals, Incorporated 6
#14781 Shuji Kizu Kabushiki Kaisha Toshiba 6
#14781 Taichi Saitoh Fujitsu Limited 6
#14781 Yotaro Tsutsumi Toyo Seikan Co. 6
#14781 Takeshi Taniuchi Mitsubishi Electric 6
#14781 Fumiya Hirano Meiji Seika Kaisha 6
#14781 Junjiro Kitano Hitachi 6
#14781 Terukatsu Miyauchi Fuji Standard Research 6
#14781 Masami Aono Tokico 6
#14781 Yasuhisa Tashiro Nippon Kayaku 6
#14781 Tadashi Wakazawa Merck 6
#14781 Takashi Shintani Toyo Soda Manufacturing Co. 6
#14781 Tooru Fujishima Hitachi 6
#14781 Sachio Ohmori Nippon Kogaku K.K. 6
#14781 Toshio Koshimizu Fujitsu Limited 6
#14781 Hiroshi Sanbuichi Nissan Motor Co. 6
#14781 Takanobu Fujimoto Mitsubishi Electric 6
#14781 Masahiro Shiozaki Teijin Limited 6
#14781 Yasuyoshi Chino Nippon Zeon Co. 6
#14781 Masahide Kotera Canon 6
#14781 Tatsuyoshi Aisaka Kabushiki Kaisha Toshiba 6
#14781 Shinichi Tsunekawa Kabushiki Kaisha Toshiba 6
#14781 Masayuki Onohara Sumitomo Bakelite Co. 6
#14781 Hajime Kohama Kabushiki Kaisha Toshiba 6
#14781 Otohiko Miyauchi Showa Denko 6
#14781 Keiichi Tanikawa Nippon Steel 6
#14781 Kumi Ochiai Kabushiki Kaisha Toshiba 6
#14781 Norio Joyama Meiji Seika Kaisha 6
#14781 Akira Midorikawa Ricoh Company 6
#14781 Yukihiro Fukushi Kabushiki Kaisha Toshiba 6
#14781 Kensaku Yano Kabushiki Kaisha Toshiba 6
#14781 Kiyoshi Mitsuyasu Kabushiki Kaisha Toshiba 6
#14781 Takashi Uchimi Victor Company Of Japan 6
#14781 Nobutaka Fukai Fujitsu Limited 6
#14781 Hisao Ichinose Nissan Motor Co. 6
#14781 Kenshi Saeki Nihon Parkerizing Co. 6
#14781 Kiyoshi Ikuta Canon 6
#14781 Yoshimichi Kobayashi — 6
#14781 Toyohiko Shike Mitsubishi Kasei 6
#14781 Koichi Kumashiro — 6
#14781 Toshifumi Shigematsu Toto 6
#14781 Tsutomu Danzaki Jidosha Denki Kogyo K.K. 6
#14781 Tamao Ikuta Canon 6
#14781 Toshio Shiono Hitachi 6
#14781 Soushichi Koura Ohi Seisakusho Co. 6
#14781 Reiko Morimoto Canon 6
#14781 Sakae Sonoda Nihon Parkerizing Co. 6
#14781 Hikaru Masui Hitachi 6

Nearby-Ranked Cities

Tokyo, JP716,148
Seoul, KR296,870