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 Kabushiki Kaisha Sato Chishiki Zaisan Kenkyusho, Mitsubishi Electric, Square Enix Co..

Showing 9,801–9,850 of 11,174 inventors

Rank Inventor Primary Company Patents
#4279 Shingo Izumi Kabushiki Kaisha Sato Chishiki Zaisan Kenkyusho 1
#4279 Junichi Yokosato Mitsubishi Electric 1
#4279 Keizo Kokubo Square Enix Co. 1
#4279 Shigeyuki Akimoto Topcon 1
#4279 Junichi Hiroi Dai Nippon Printing Co. 1
#4279 Shuichi Yamagishi Mitsubishi Electric 1
#4279 Mitsuru Uesaka Ihi 1
#4279 Kazuyou Mizuno Furukawa Electric Co. 1
#4279 Shiro Ogata Tao Companies 1
#4279 Yuka Fujita Mitsubishi Electric 1
#4279 Kaichirou Nakano Nec 1
#4279 Takahiro Tamiya Ricoh Company 1
#4279 Tomihisa Kamada Private Access 1
#4279 Yee Ming Soon Tellabs Operations 1
#4279 Toshiyuki Ishimaru Sony 1
#4279 Keisuke Oozeki Nec 1
#4279 Takayuki Sensui Pentax 1
#4279 Kazuhiro Andoh Denso 1
#4279 Hitoshi Karasawa Olympus Optical Co. 1
#4279 Ayako Nishioka Showa Denko K.K. 1
#4279 Masanori Minoguchi Mitsubishi Tanabe Pharma 1
#4279 Ron DiCarlantonio 1
#4279 Takaaki Yamazaki Sankyo Holdings Co. 1
#4279 Masakazu Nishibori Renesas Electronics 1
#4279 Takehiko Komiyama Nec 1
#4279 Toshiro Matsumura Vodafone Group Plc. 1
#4279 Hiroshi Shimono Sony 1
#4279 Hiroki Andoh Advantest 1
#4279 Kazuaki Negishi Sumitomo Electric Industries 1
#4279 Hideya Moridaira Furukawa Electric Co. 1
#4279 Kanehisa Yokoyama Sumitomo Bakelite Co. 1
#4279 Shigemi Saito Canon 1
#4279 Akira Mizumura Sony 1
#4279 Kazuhiro Ogawa Sumitomo Metal Industries 1
#4279 Kenji Nakajima Fujitsu Limited 1
#4279 Masahito Kuramitsu Asahi Kasei Kabushiki Kaisha 1
#4279 Izushi Kobayashi Sony 1
#4279 Yoshito Ito NTT 1
#4279 Masaaki Hirai Arisawa Mfg. Co. 1
#4279 Masayuki Nakanishi Ebara 1
#4279 Takuya Shirai Citizen Watch Co. 1
#4279 Yoshiro Yamazaki Fujifilm 1
#4279 Makoto Orikasa Tdk 1
#4279 Takayoshi Yamasaki Sony 1
#4279 Rintaro Nomura Nec 1
#4279 Ken MARUYAMA Jsr 1
#4279 Safumi Suzuki Tokyo Institute Of Technology 1
#4279 Takashi Yamakawa Mitsubishi Electric 1
#4279 Kei Kasuga Mitsubishi Electric 1
#4279 Toshiki Ando Nhk Spring Co. 1