Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

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 Terumo Kabushiki Kaisha, Nec, Sankyo Holdings Co..

Showing 17,401–17,450 of 49,251 inventors

Rank Inventor Primary Company Patents
#16552 Isao Kuwahara 5
#16552 Kohtaroh KUSU Terumo Kabushiki Kaisha 5
#16552 Yasunari Kawaguchi Nec 5
#16552 Ikuo Takagi Sankyo Holdings Co. 5
#16552 Shoichi Takeda Canon 5
#16552 Eizo Katayama Panasonic 5
#16552 Suehiro Urabe Nissan Motor Co. 5
#16552 Makoto Futamura Nissan Motor Co. 5
#16552 Tomoyuki Fukano Sony 5
#16552 Hisaaki Toujima Nissan Motor Co. 5
#16552 Kazuki Sugiyama Takasago International 5
#16552 Minoru Muramatsu Fujitsu Limited 5
#16552 Harumichi Watanabe Nippon Oil 5
#16552 Haruhiko Shibayama Nissan Motor Co. 5
#16552 Aritoshi Iida Riken 5
#16552 Masataka Kan Hitachi 5
#16552 Yuu Kondou Kabushiki Kaisha Toshiba 5
#16552 Shirou Saeki Ricoh Company 5
#16552 Shigeru Kanemoto Kabushiki Kaisha Toshiba 5
#16552 Kiwamu Okabe Ricoh Company 5
#16552 Tomonari Nebashi Panasonic 5
#16552 Osamu Ishiwata Fuji Electric Co. 5
#16552 Kei Nagatomo Panasonic 5
#16552 Tomoyo Kawaguchi Unicharm 5
#16552 Tatsumi Mitsushita Sony 5
#16552 Tooru Saitou Honda Motor Co. 5
#16552 Yuhsaku Sugai Lenovo (Singapore) Pte. 5
#16552 Hitoshi Sekiguchi Renesas Technology 5
#16552 Hiromoto Yamaki 5
#16552 Masafumi CHIKYU Fujifilm Business Innovation 5
#16552 Yasuhito Shimamura Canon 5
#16552 Hiroyuki Tsuruoka Daiichi Sankyo Company, Limited 5
#16552 Keiji Takausaki Sumitomo Electric Industries 5
#16552 Manabu Numata 5
#16552 Sigeharu Kawamoto Sumitomo Electric Industries 5
#16552 Kazumoto Obata Toyo Seikan Co. 5
#16552 Osamu Gotou Nippon Steel & Sumitomo Metal 5
#16552 Satoshi Ichinomiya Pola Chemical Industries 5
#16552 Yukie Kobayashi Toshiba Tec Kabushiki Kaisha 5
#16552 Shigenori Sakuma Showa Shell Sekiyu K.K. 5
#16552 Kazuhisa Masuda Showa Aluminum Can 5
#16552 Kenichi Kishii Pola Chemical Industries 5
#16552 Takashi Miyano Kabushiki Kaisha Mikuni Kogyo 5
#16552 Makoto Tsuruoka Unknown 5
#16552 Shinichirou Miyajima Fujitsu Limited 5
#16552 Kou Takatori Fujitsu Limited 5
#16552 Nobuhito Kitamura HGST 5
#16552 Ryoh Tashiro Ricoh Company 5
#16552 Akiko Koga Nok 5
#16552 Yousuke Kamada Canon 5