Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2016, with 25,606 patents from 13,113 inventors. Leading employers of inventors based in Tokyo, JP include Mitsubishi Electric, Sony, Fujitsu Limited.

Showing 12,201–12,250 of 13,113 inventors

Rank Inventor Primary Company Patents
#5101 Koichi Hamamoto Mitsubishi Electric 1
#5101 Kenji Hirose Sony 1
#5101 Mikio Ito Fujitsu Limited 1
#5101 Takashi Yamauchi Kabushiki Kaisha Toshiba 1
#5101 Takuya Nishimura Sumitomo Electric Industries 1
#5101 Hisashi Ogawa Toyota 1
#5101 Yuji Okada Sumitomo Electric Industries 1
#5101 Jun Yamazaki Hitachi 1
#5101 Hiromu Watanabe Mitsubishi Chemical 1
#5101 Naomoto Ishikawa Mitsubishi Electric 1
#5101 Masahiro Ichino Mitsubishi Chemical 1
#5101 Jun Akiyama Sharp Kabushiki Kaisha 1
#5101 Naoko NAKATA Dai Nippon Printing Co. 1
#5101 Yoshiki Katou Konica Minolta Medical & Graphic 1
#5101 Hideo Arai Ebara 1
#5101 Kiyoshi Hagiwara Konica Minolta 1
#5101 Kazuhiko Hosono Olympus 1
#5101 Akinobu Murasato Nippon Steel & Sumitomo Metal 1
#5101 Yoshiharu Hiruma Daiichi Sankyo Company, Limited 1
#5101 Hideki Miyata Toyota 1
#5101 Kuniki Kino Kyowa Hakko Kogyo Co. 1
#5101 Kimu Higashimoto Sony 1
#5101 Ken Togashi Disco 1
#5101 Kiyofumi Nagai Ricoh Company 1
#5101 Nobuyuki Mano Smk 1
#5101 Kazuhiro Hosokawa Oki Electric Industry Co. 1
#5101 Tomoko Hirama National Research Council Of Canada 1
#5101 Satoko Fujii Mitsubishi Hitachi Power Systems 1
#5101 Koji Hata Mitsubishi Motors 1
#5101 Hiroatsu HAGIRI J-Oil Mills 1
#5101 Ichiro Minami Gtc Technology Us 1
#5101 Kotaro Yamashita Hitachi High-Technologies 1
#5101 Motonaga Ishii Bandai Namco Games 1
#5101 Shigeyoshi Fujihara Hitachi 1
#5101 Hirohisa MIKI Japan Display 1
#5101 Jouji Yamada Japan Display 1
#5101 Kozo Ikeno Japan Display 1
#5101 Mikio Kawamura Nippon Steel & Sumitomo Metal 1
#5101 Kayoko Miyazaki Japan Display 1
#5101 Maki Mori Sony 1
#5101 Masayoshi Shinkai Mitsubishi Electric 1
#5101 Motoki Nakade Sony 1
#5101 Haruko Obata Asahi Kasei Chemicals 1
#5101 Izumi Itoh Ricoh Company 1
#5101 Michio Yamada Mitsubishi Electric 1
#5101 Masahiro Tobise Hitachi 1
#5101 Koichi Nakae Toyota 1
#5101 Yasuaki Jinnai Mitsubishi Electric 1
#5101 Harumi Mizukoshi Yakult Honsha 1
#5101 Tomoaki Hirayama Sumitomo Rubber Industries 1