Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2020, with 29,522 patents from 14,393 inventors. Leading employers of inventors based in Tokyo, JP include Casio Keisanki, Asahi Kasei Kabushiki Kaisha, Sumitomo Osaka Cement Co..

Showing 13,301–13,350 of 14,393 inventors

Rank Inventor Primary Company Patents
#5815 Hitoshi Miyata 1
#5815 Keishiro Yamamoto Casio Keisanki 1
#5815 Yusuke Yamahata Asahi Kasei Kabushiki Kaisha 1
#5815 Yu Kataoka Sumitomo Osaka Cement Co. 1
#5815 Tetsuhiro Takahashi Tdk 1
#5815 Masayuki Uno Olympus Optical Co. 1
#5815 Yasuyuki Hanazawa Kabushiki Kaisha Toshiba 1
#5815 Ken Sakamoto Mitsubishi Electric 1
#5815 Masaaki Kosugi Nec 1
#5815 Mikihiko KARUBE Fujifilm 1
#5815 Tatsushi YASUDA Nec 1
#5815 Tenfu NAKAMURA Japan Display 1
#5815 Toshitaka Aiba Canon 1
#5815 Takuya TERAMOTO Mitsubishi Electric 1
#5815 Kazuhiko Kurata Nec 1
#5815 Kouji Shimizu Denso 1
#5815 Takashi Morioka Lintec 1
#5815 Ayumi FUCHIDA Mitsubishi Electric 1
#5815 Shinya Okamoto Fujitsu Limited 1
#5815 Hiroaki Tatsumi Mitsubishi Electric 1
#5815 Koji Kise Mitsubishi Electric 1
#5815 Taichi Suzuki Uacj 1
#5815 Yutaka KAIHATSU Japan Tobacco 1
#5815 Fuyuki MIURA Tdk 1
#5815 Hideya Minamiji Toshiba Client Solutions Co. 1
#5815 Hidenari Yamada Chugai Pharmaceutical 1
#5815 Masayoshi Oh-Eda Chugai Pharmaceutical 1
#5815 Rumiko Wakayama Chugai Pharmaceutical 1
#5815 Saeko Tanaka Chugai Pharmaceutical 1
#5815 Tomonori Isoda Chugai Pharmaceutical 1
#5815 Kensaku Akimoto Adeka 1
#5815 Toshihide Agemura Hitachi High-Technologies 1
#5815 Shogo YAMASHITA Rakuten Group 1
#5815 Kazuo Iwai Tdk 1
#5815 Yuki Arikawa NTT 1
#5815 Yasuo Bamba Canon 1
#5815 Takahisa Oasa Komatsu 1
#5815 Miyuki Fukuda 1
#5815 Hirotsugu GOTOU Yokogawa Electric 1
#5815 Yosuke Ueki Eisai R&D Management Co. 1
#5815 Kouhei Tokuda Canon 1
#5815 Akira Hikone Tpr Co. 1
#5815 Shingo Yamanouchi Nec 1
#5815 Yoshihito Oshima Canon 1
#5815 Takehiko Isobe Mitsubishi Gas Chemical Company 1
#5815 Kenji Yagi Yazaki 1
#5815 Masaru Utsunomiya Mitsubishi Chemical 1
#5815 Yusuke Izawa Mitsubishi Chemical 1
#5815 Iori FUKUSHIMA Showa Denko Materials Co. 1
#5815 Daisuke Matsuoka Panasonic 1