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 Dai Nippon Printing Co., Terumo Kabushiki Kaisha, Elpida Memory.

Showing 11,101–11,150 of 11,174 inventors

Rank Inventor Primary Company Patents
#4279 Yudai Yamashita Dai Nippon Printing Co. 1
#4279 Saho Tada Terumo Kabushiki Kaisha 1
#4279 Masamichi Ogishima Elpida Memory 1
#4279 Yasunori Urano Hino Motors 1
#4279 Atsushi Iesato Asahi Kasei Pharma 1
#4279 Masashi Tachigori Nec 1
#4279 Isao Uchida Yokogawa Electric 1
#4279 Tetsuo Hoshi Yokogawa Electric 1
#4279 Takesi Mitsunaga Hirata 1
#4279 Satoshi Sakurakawa Elpida Memory 1
#4279 Nami Sugita Hitachi 1
#4279 Shoji Kanai Art Metal Mfg. Co. 1
#4279 Yoshiyuki Ohmura The University Of Tokyo 1
#4279 Shin Azuma Nintendo Co. 1
#4279 Koichi Akasaka Sony 1
#4279 Tokuhiko Handa Tdk 1
#4279 Emi Hitosuga Canon 1
#4279 Takashi Shin Astellas Pharma 1
#4279 Ryoji Kurosaka Canon 1
#4279 Keiichi Matsushita Kabushiki Kaisha Toshiba 1
#4279 Kyoji Sekiguchi Canon 1
#4279 Hidemasa Aoki Showa Denko K.K. 1
#4279 Tarou Sugihara Nikon 1
#4279 Hisashi Sujikai Nippon Hoso Kyokai 1
#4279 Akie Tanaami Thk Co. 1
#4279 Katsuhiro Ota Hitachi 1
#4279 Toshiyuki Suzawa Kyowa Hakko Kogyo Co. 1
#4279 Azuma Nishio Pola Pharma 1
#4279 Takuro Zui Mitsubishi Electric 1
#4279 Yuusuke Ishizaki Ricoh Company 1
#4279 Katsuhiko Mushiake Ulvac 1
#4279 Masaaki Takesue Sony 1
#4279 Masayo Suzuki Kyowa Hakko Kirin Co. 1
#4279 Yukio Yamaguchi Panasonic 1
#4279 Shigeki Tozawa Tokyo Electron Limited 1
#4279 Tomonori Muto Toso Company, Limited 1
#4279 Takeshi Ogashiwa Hitachi High-Technologies 1
#4279 Hiroyuki Fukasawa Sony 1
#4279 Takao Sunaga Nippon Kayaku 1
#4279 Shinichi Chikaki Nec 1
#4279 Naoko Saito Hitachi 1
#4279 Nobuhisa Tano Nemoto Kyorindo Co. 1
#4279 Masayoshi Shimamura Canon 1
#4279 Hidetoshi Yoda Bridgestone 1
#4279 Nobuo Shibano Toshiba Lighting & Technology 1
#4279 Takenori Sekiya Vodafone Group Plc. 1
#4279 Jota Nakatsuma Vodafone Group Plc. 1
#4279 Fumiyuki Osanai Elpida Memory 1
#4279 Minoru Machida Ngk Insulators 1
#4279 Hisashi Nomura Hitachi Kokusai Electric 1