Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2019, with 30,927 patents from 15,298 inventors. Leading employers of inventors based in Tokyo, JP include Asahi Glass Co., Nidec Copal, Nakamura Seisakusho Kabushikigaisha.

Showing 14,601–14,650 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Kei Maeda Asahi Glass Co. 1
#6064 Haruhiko Mandai Nidec Copal 1
#6064 Hideyuki Miyahara Nakamura Seisakusho Kabushikigaisha 1
#6064 Youichi Wada Hitachi-Ge Nuclear Energy 1
#6064 Toshimitsu Furuki Mitsubishi Materials 1
#6064 Kazuyuki Kuroda Mitsui Toatsu Chemicals, Incorporated 1
#6064 Takumi Omori Daicel Chemical Industries 1
#6064 Nobuhiko Yui Chisso 1
#6064 Takashi Otsuji Nec Electronics 1
#6064 Tomohiro Oono Renesas Electronics 1
#6064 Keita Tokura Zeon 1
#6064 Kosuke Egami Taiho Pharmaceutical Co. 1
#6064 Keisuke Hayabusa Ebara 1
#6064 Kazuhiro Shimazaki Honda Motor Co. 1
#6064 Shiro Ogata Tao Companies 1
#6064 Kazutoshi Kaji Hitachi High-Technologies 1
#6064 Masatoshi Osawa Honda Motor Co. 1
#6064 Hiroto Kodama Fujitsu Semiconductor Limited 1
#6064 Michio Yoshino Mazda Motor 1
#6064 Haruyasu Abe Kowa Company 1
#6064 Tomoya Uchikoshi Hirata 1
#6064 Yohei Tomida Jfe Engineering 1
#6064 Kazuya YASHIMA Lixil 1
#6064 Tomohiro Sakotsubo Sugino Machine Limited 1
#6064 Tatunori YANAGIMOTO Mitsubishi Electric 1
#6064 Nobuto Sasaki Nippon Mektron 1
#6064 Hidenari Ogata Mitsubishi Electric 1
#6064 Yosuke Tsuruoka Mitsubishi Electric 1
#6064 Ichiro Tatsumi 1
#6064 Narutoshi Kusaka Swcc Showa Cable Systems Co. 1
#6064 Ippei Jibiki Tachi-S Co. 1
#6064 Keisuke SHIMPUKU Yokogawa Electric 1
#6064 Masahiko Mano 1
#6064 Hidekazu Chujo Lenovo (Singapore) Pte. 1
#6064 Maki Sakamoto University Of Electro-Communications 1
#6064 Nakanishi Mikiko Unknown 1
#6064 Yusuke Tamagushi Rakuten Group 1
#6064 Hiromitsu DAISAKI Nihon Medi-Physics Co. 1
#6064 Akira TANISHIGE Komatsu 1
#6064 Ryuji Okazaki Colopl 1
#6064 Ryota KAWAKI Bridgestone 1
#6064 Noriaki Senba Mitsubishi Heavy Industries Engineering 1
#6064 Shohei Imamura Olympus 1
#6064 Tetsuro Yanagi Mitsubishi Electric 1
#6064 Ryosuke Hayasaki Tdk 1
#6064 Ichi Emori Tatsuno 1
#6064 Hiroaki Nakamoto Ebara 1
#6064 Hiromu Kasai 1
#6064 Shigeo Murase Oji Holdings 1
#6064 Itaru Samusawa Jfe Steel 1