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 Tokyo Electron Limited, Comcast, Fujikura.

Showing 12,151–12,200 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Mitsuya Kawatsuki Tokyo Electron Limited 1
#6064 Bungo Matsumura Comcast 1
#6064 Masatoshi Maruishi Fujikura 1
#6064 Yoshiharu Komatsu Honda Motor Co. 1
#6064 Soichiro TSUBOI Nikon 1
#6064 Motoshi Sakakura Public University Corporation Yokohama City University 1
#6064 Mitsuo Tsurugai Hitachi 1
#6064 Yukitaka Sakata Mitsubishi Electric 1
#6064 Teruyuki Ishizuki Kabushiki Kaisha Toshiba 1
#6064 Kazunobu Nishimiya Mitsubishi Electric 1
#6064 Ryuta Hasegawa Kabushiki Kaisha Toshiba 1
#6064 Ruita Takagi 1
#6064 Yasuhiro Soda Power Support Company Limited 1
#6064 Takanori UEKI Renesas Electronics 1
#6064 Kazuo Ashikaga Heraeus Kabushiki Kaisha 1
#6064 Yasunari Takanashi Lintec 1
#6064 Yukihiro Hanaki Mitsubishi Electric 1
#6064 Shodai Aoyama Thk Co. 1
#6064 Tadashi Matsudaira Konica Minolta 1
#6064 Masashi Tsuchida Hitachi 1
#6064 Michitaka OHNO Yahoo Japan 1
#6064 Sadaaki Kumagai 1
#6064 Tomoya Kawabuchi 1
#6064 Ryota Yushina Nec 1
#6064 Rei Mihara Ihi 1
#6064 Karen Tsunashima Canon 1
#6064 Kazuoki Katayama Oki Data 1
#6064 Sosuke Fujimoto Citizen Watch Co. 1
#6064 Tetsuji Kamata Nikon 1
#6064 Yuta NAGAI Globalwafers Japan Co. 1
#6064 Norihiko Ishizaki Nec 1
#6064 Hiroshi OIWA Subaru 1
#6064 Yoshiaki Nakano The University Of Tokyo 1
#6064 Yasuki Wada 1
#6064 Hideaki Tamaki Ihi 1
#6064 Hidenori Nagahama Mitsubishi Electric 1
#6064 Yoshitaka Sata Olympus 1
#6064 Tomofumi Shintani Mitsubishi Electric 1
#6064 Masashi Yazawa Fujikoki 1
#6064 Hiroko NAGASHIMA Nec 1
#6064 Kazuaki Ikegai Adamant Co. 1
#6064 Toru NAKASHIKA University Of Electro-Communications 1
#6064 Bernardo Pontes Medidata Solutions 1
#6064 Yasuhiro Hinokuma Mitsubishi Electric 1
#6064 Tatsuyuki Nishimiya Mitsubishi Electric 1
#6064 Shumpei KUBOSAWA Nec 1
#6064 Ryutaro Kuroda Mitsui Mining & Smelting Co. 1
#6064 Shinjirou Uchida Sumco 1
#6064 Yoshiyuki Morishima Japan Energy 1
#6064 Kana Yamada Konica Minolta 1