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 Joled, Mitsubishi Electric, Hitachi.

Showing 12,951–13,000 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Yuichiro Ishiyama Joled 1
#6064 Hisao Nakano Mitsubishi Electric 1
#6064 Kumiko Konishi Hitachi 1
#6064 Koichiro Honda Aisin Seiki Kabushiki Kaisha 1
#6064 Shuhei Kaneko Olympus Imaging 1
#6064 Naoki Oiwa Ihi 1
#6064 Shinya Ohara Canon 1
#6064 Tetsuo Shiode Jfe Chemical 1
#6064 Ryota Komaru Mitsubishi Electric 1
#6064 Daichi Hisada Nec 1
#6064 Kenji Terada Ntn 1
#6064 Keisuke Ishii Sony 1
#6064 Takuya Takeuchi Canon 1
#6064 Yoshinori Itai Fujifilm 1
#6064 Sanato NAGATA Hitachi 1
#6064 Hiromi Ito Mitsubishi Electric 1
#6064 Akira Tada Eneos 1
#6064 Satoshi Taneichi Ricoh Company 1
#6064 Yuichi Teranishi Komatsu 1
#6064 Kouji Yasukawa Canon 1
#6064 Taketsugu SAWAMURA Furukawa Electric Co. 1
#6064 Hirokazu Itoh Furukawa Electric Co. 1
#6064 Hideto Dohi Hitachi High-Technologies 1
#6064 Kenta Sakuragi Hitachi 1
#6064 Hisako Nagao Hitachi Medical 1
#6064 Hiroyuki Nishide Waseda University 1
#6064 Hisaaki Kanai Hitachi 1
#6064 Masafumi Noujima Hitachi 1
#6064 Tetsuya OYAMADA Nippon Micrometal 1
#6064 Tatsuya Imai Ricoh Company 1
#6064 Saki USHIDA Asahi Kasei Kabushiki Kaisha 1
#6064 Keiji Maekawa Google 1
#6064 Hideyuki Koseki Hitachi 1
#6064 Motohiro SHIRATANI Jsr 1
#6064 Kohei Hiromatsu Hitachi Construction Machinery Co. 1
#6064 Nobuyuki Ikeya Ihi 1
#6064 Takahiro Hashimoto Ricoh Company 1
#6064 Yasunobu Shirata Ricoh Company 1
#6064 Toshihiro MEGA Mitsubishi Electric 1
#6064 Yusuke Terada Nhk Spring Co. 1
#6064 Daisuke Fukui Dai Nippon Printing Co. 1
#6064 Manabu KAWASHIMA 1
#6064 Takeshi Sakano Harada Industry Co. 1
#6064 Katsuhiro Kido Aruze Gaming America 1
#6064 Yoshikatsu NISHIDA Nisshin Steel Co. 1
#6064 Satoshi Motoda Kuraray Co. 1
#6064 Motoru YOSHIDA Mitsubishi Electric 1
#6064 Satoshi Kubo Astellas Pharma 1
#6064 Atsuo Kanno The University Of Tokyo 1
#6064 Senichirou Nagase Renesas Electronics 1