Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2011, with 21,999 patents from 11,174 inventors. Leading employers of inventors based in Tokyo, JP include Molex, Advantest, Tdk.

Showing 10,251–10,300 of 11,174 inventors

Rank Inventor Primary Company Patents
#4279 Jun Matsukawa Molex 1
#4279 Toru Ibane Advantest 1
#4279 Yasuhiro Nagatsuka Tdk 1
#4279 Toshirou Ichihara Honda Motor Co. 1
#4279 Yuki Momokawa Nec 1
#4279 Takashi Hifumi 1
#4279 Kiyoshi Musha Adeka 1
#4279 Tomotaka Watanabe Furukawa Electric Co. 1
#4279 Takao Kawarabayashi 1
#4279 Tatsuhiro Kodama Sony 1
#4279 Shinji Kashiwagi Nec Electronics 1
#4279 Toshihiko Kosaka Comcast 1
#4279 Hiromitsu Shirahashi Asahi Kasei Pharma 1
#4279 Yasunori Fukuoka Takata 1
#4279 Haruo Umeki Hitachi 1
#4279 Takeshe Imamura Ludwig Institute For Cancer Research 1
#4279 Yoshiyuki Ikehata Japan Display 1
#4279 Hanae Kaidoh Ricoh Company 1
#4279 Takashi Yoshida Meiji Seika Kaisha 1
#4279 Tadahiro Matsuzaki Nec 1
#4279 Norihisa Shibayama Furukawa Electric Co. 1
#4279 Yasuwo Fukuyo Mitsui Engineering & Shipbuilding Co. 1
#4279 Masami Miyajima Ricoh Company 1
#4279 Atsushi Iwasawa S.T. 1
#4279 Hirofumi Asoh Tdk 1
#4279 Kazunari Sesumi Oki Electric Industry Co. 1
#4279 Shinpei Takeda Japan Aviation Electronics Industry, Limited 1
#4279 Norihiko Oomuro Nec 1
#4279 Kazuyuki Yuda Mitsubishi Electric 1
#4279 Eiichi Serita Tanita 1
#4279 Shinichi Matsuno Pentax 1
#4279 Hiroomi Yatagai Fujikoki 1
#4279 Ryoichi Yoshifuku Renesas Technology 1
#4279 Chikatoshi Abe Kayaba Industry Co. 1
#4279 Yuji Hiroto Ebara 1
#4279 Toyohiko Shibata Sony 1
#4279 Enomoto Noritsugu Furukawa Electric Co. 1
#4279 Kazuhiko Simonaka Subaru 1
#4279 Reiichi Arai Renesas Electronics 1
#4279 Takashi Sonoyama Sony 1
#4279 Kozo Yokokura 1
#4279 Ayumu Okano Disco 1
#4279 Kotoko Morikawa GE 1
#4279 Shigeo Emoto Nippon Electric Co. 1
#4279 Youichi Takashima NTT 1
#4279 Fumikazu Yamada 1
#4279 Nao Takanashi 1
#4279 Mukai Yasuhiko Furukawa Electric Co. 1
#4279 Nobuyuki Nishigori Dell Usa 1
#4279 Shinobu Ono Sony 1