Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Tokyo, JP ranks #1 worldwide for total patents filed in 2017, with 27,234 patents from 13,570 inventors. Leading employers of inventors based in Tokyo, JP include Ebara, Sony, Honda Motor Co..

Showing 12,251–12,300 of 13,570 inventors

Rank Inventor Primary Company Patents
#5439 Mitsutoshi Yahagi Ebara 1
#5439 Katsuya Suzuki Sony 1
#5439 Naoyuki Yamate Honda Motor Co. 1
#5439 Shinya Hoshino Stanley Electric Co. 1
#5439 Kana Tanaka Hitachi 1
#5439 Shinya Fukushima Sumco 1
#5439 Yoshihito Narita Jasco 1
#5439 Raizo Kuge Hosokawa Yoko Co. 1
#5439 Keiji Nakamura Mitsubishi Electric 1
#5439 Yasuharu Katsuno IBM 1
#5439 Homare Momiyama Topcon 1
#5439 Takayuki Hisaka Mitsubishi Electric 1
#5439 Kirio Masui Sony 1
#5439 Shinya Masuda Olympus 1
#5439 Jun Onishi Konica Minolta 1
#5439 Itaru Hosomi Nec 1
#5439 Yoichiro Imai Canon 1
#5439 Akihito Kumamoto Synaptics Incorporated 1
#5439 Satoshi Niwa Denso 1
#5439 Toshio DOGU Digital Arts 1
#5439 Hiroto Nagayoshi Hitachi 1
#5439 Kenko Uchida Hitachi 1
#5439 Tatsurou Sugitani National University Corporation Kagawa University 1
#5439 Katsuyuki Kaji Ricoh Company 1
#5439 Jun Shibuya Mitsubishi Electric 1
#5439 Makoto Egashira Nippon Steel 1
#5439 Yuji Ino Sony 1
#5439 Hiromu SATO Astellas Pharma 1
#5439 Hiroshi Kawachi Eneos 1
#5439 Masamichi Uchida Nohmi Bosai 1
#5439 Kazunari Kogure Toshiba Tec Kabushiki Kaisha 1
#5439 Tomoyuki Minami Ngk Insulators 1
#5439 Shuta Ito Dai Nippon Printing Co. 1
#5439 Takayuki Koyama Hitachi 1
#5439 Satoshi Segawa Nec 1
#5439 Shinji Fukaya Hitachi 1
#5439 Shin Ishiguro Nec 1
#5439 Tatsuya Tomaru Hitachi 1
#5439 Hideki Kawashima Canon 1
#5439 Osamu Umamine Casio Computer Co. 1
#5439 Kazuhisa Iwasaki Stanley Electric Co. 1
#5439 Nobuhiko Yokoo Japan Display 1
#5439 Keisuke Ogaki Dwango Co. 1
#5439 Ruihan Bao Nec 1
#5439 Takeshi Kada Colopl 1
#5439 Yasushi Saeki Tokyo Metropolitan Institute Of Medical Science 1
#5439 Kiyoto Furuse Lotte Co. 1
#5439 Takahiko Tsuno Disco 1
#5439 Eita Kobayashi Nec 1
#5439 Yoshinori Ooba Ihi 1