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 C.Uyemura & Co., Disco, Canon.

Showing 13,551–13,600 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Shinji Tachibana C.Uyemura & Co. 1
#6064 Kazuyuki Hinohara Disco 1
#6064 Hidenori Shiba Canon 1
#6064 Shuhei KAMEDA Izumi-Cosmo Co. 1
#6064 Yuriko Tsuda Chugai Pharmaceutical 1
#6064 Hirotsugu Shiraiwa Tokyo Electron Sagami 1
#6064 Yuji Segawa Sony 1
#6064 Sayaka KURATA Hitachi 1
#6064 Masahito DOHI Olympus 1
#6064 Tatsuaki Suzuki Yahoo Japan 1
#6064 Bostamam Anas Sony 1
#6064 Yuki Tani Hoya 1
#6064 Kunji Shigeto Hitachi High-Technologies 1
#6064 Keiji Itaka The University Of Tokyo 1
#6064 Kiyotaka Watanabe Mitsubishi Electric 1
#6064 Makibi Nakamura Sony 1
#6064 Takuhiro Mizuno Alpha Code 1
#6064 Yoshirou Kawaguchi Daiichi Sankyo Company, Limited 1
#6064 Ryousuke Kobayashi Panasonic 1
#6064 Yohei Kobashi Taisho Pharmaceutical Co. 1
#6064 Ryohei Kurosawa Kurosawa Construction Co. 1
#6064 Akinobu Nakamura Nec 1
#6064 Hiroki Miyakawa Hitachi 1
#6064 Hidechika NAKANISHI Hitachi 1
#6064 Takashi Tsunoda Canon 1
#6064 Mikimasa Horiuchi Mitsui Mining & Smelting Co. 1
#6064 Takatomo Itou Sumitomo Osaka Cement Co. 1
#6064 Takahiro Tago Asahi Kasei Kabushiki Kaisha 1
#6064 Takao Kitagawa Sumitomo Osaka Cement Co. 1
#6064 Kazuo Tomisawa Mitsubishi Electric 1
#6064 Akira Tokuse Sony 1
#6064 Shogo Murosawa Tdk 1
#6064 Masakazu Shirota Qualcomm 1
#6064 Yuji Suwa Hitachi 1
#6064 Masatoshi Taya Renesas Electronics 1
#6064 Toshiki Sato Kobe Steel 1
#6064 Mitsunori Kori Mitsubishi Electric 1
#6064 Shotaro Ishihara Canon 1
#6064 Toru Aihara IBM 1
#6064 Asaka Ueno Kyoto University 1
#6064 Satomi Hamada Ebara 1
#6064 Yosuke Kanno Futaba 1
#6064 Kenji TAKATSUJI Olympus 1
#6064 Toshiaki Yoshikawa Canon 1
#6064 Takeshi Nishino National University Corporation Tottori University 1
#6064 Shinya Kitayama Hitachi High-Technologies 1
#6064 Saori Ichihara Lixil 1
#6064 Yusuke Toriumi Canon 1
#6064 Naomi Matsumura Omron Healthcare Co. 1
#6064 Kanako ESAKI Hitachi 1