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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 IBM, Sony, Hitachi Media Electronics Co..

Showing 15,451–15,500 of 49,251 inventors

Rank Inventor Primary Company Patents
#14781 Katsuyuki Nojima IBM 6
#14781 Masataka Mukai Sony 6
#14781 Naomitsu Kuroda Hitachi Media Electronics Co. 6
#14781 Shinichi Toi Sony 6
#14781 Yoshikazu Hazama Sony 6
#14781 Tamotsu Miura Honda Motor Co. 6
#14781 Mitsuru Ohtsuka Canon 6
#14781 Yoshihiro Kanomata Hitachi 6
#14781 Yoichi Kasamaru J.S.T. Mfg. Co. 6
#14781 Yuuzo Hisatake Toshiba Matsushita Display Technology Co. 6
#14781 Norio Kawatani Sony 6
#14781 Chikatomo Nakasaka Sony 6
#14781 Kineo Matsui Kowa Company 6
#14781 Masakazu Oka Showa Denko K.K. 6
#14781 Toshikazu Inoue Fujitsu Limited 6
#14781 Atsuko Suzuki Sony 6
#14781 Yasuo Kaga Toyo Seikan Co. 6
#14781 Tomochika Yamashita Hitachi 6
#14781 Koichi Otake Kabushiki Kaisha Toshiba 6
#14781 Tetsuya Kaji Asmo Co. 6
#14781 Toru Kihira Sony 6
#14781 Hisao Iwai Takasago International 6
#14781 Yasushi Higashiyama Kabushiki Kaisha Toshiba 6
#14781 Hisao Fukui Pentel Kabushiki Kaisha 6
#14781 Kaoru Yorita Mitsui Chemicals 6
#14781 Tetsunosuke Nakamura Hitachi Media Electronics Co. 6
#14781 Yukuo Sakagaito Sumitomo Electric Industries 6
#14781 Hisao Inubushi Nippon Rotary Nozzle Co. 6
#14781 Masashi Makita Nissan Motor Co. 6
#14781 Kohki Ishikawa Ajinomoto Co. 6
#14781 Hirohiko Inagaki Fujitsu Limited 6
#14781 Akio Okamuro Mitsubishi Kagaku Media Co. 6
#14781 Yuichi Morishita Showa Electric Wire & Cable Co. 6
#14781 Seiki Mitani Chisso 6
#14781 Shigeru Kuwata Japan Tobacco 6
#14781 Kazumasa Ikuta — 6
#14781 Hidetoshi Kanai Hitachi 6
#14781 Yuzo Sakurada Nihon Shinku Gijutsu 6
#14781 Nobuhiro Yamane Kabushiki Kaisha Toshiba 6
#14781 Toshiyasu Matsui Nippon Zeon Co. 6
#14781 Kiyotaka Uchigane Kabushiki Kaisha Toshiba 6
#14781 Jiro Okimoto Toyota 6
#14781 Mikihiko Itoh Kabushiki Kaisha Toshiba 6
#14781 Yorito Kakiuchi Kabushiki Kaisha Toshiba 6
#14781 Chiyoko Sato Sony 6
#14781 Hideo Kawamori Tokyo Kikai Seisakusho 6
#14781 Fumihiko Gejima Nissan Motor Co. 6
#14781 Satoshi Kurashima — 6
#14781 Takashi Yatsui Ricoh Company 6
#14781 Seiro Imai Kabushiki Kaisha Toshiba 6

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