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 Daiichi Sankyo Company, Limited, Mold Technical Office Co., Sumco.

Showing 13,501–13,550 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Naoko EDO Daiichi Sankyo Company, Limited 1
#6064 Jun Yamagami Mold Technical Office Co. 1
#6064 Kazutaka Mizokami Sumco 1
#6064 Kentaro Kamata Nidec Copal 1
#6064 Akira SHIKIYA Dentsu 1
#6064 Chanho Beku Subaru 1
#6064 Osamaru Matsuo Bridgestone 1
#6064 Shigenobu Waragai Bridgestone 1
#6064 Syuusaku Yokono Teraoka Seiko Co. 1
#6064 Tomomi Komatsu Mitsubishi Heavy Industries Engineering 1
#6064 Arisa Sasaki Miraial Co. 1
#6064 Hiroki JINNO Sumitomo Metal Mining Co. 1
#6064 Yosuke Kadowaki Bandai Namco Entertainment 1
#6064 Yukitomo Takasu Fdk 1
#6064 Shinji Osako Hitachi 1
#6064 Yoichiro Sugimura Kyowa Hakko Bio Co. 1
#6064 Junko Yarimizu Astellas Pharma 1
#6064 Akihito Furukawa Nippon Steel 1
#6064 Gouki Nakayama Yokogawa Electric 1
#6064 Yoshiki Chikyu Nippon Chemi-Con 1
#6064 Hironori Okazumi Canon 1
#6064 Yusuke Nojiri Canon 1
#6064 Itsumi TERADA Nitoms 1
#6064 Junchen Wang The University Of Tokyo 1
#6064 Hideyuki Suenaga The University Of Tokyo 1
#6064 Naoki Haze Mitsubishi Electric 1
#6064 Tomonori Nosaka Ricoh Company 1
#6064 Yusuke Sakaki The University Of Tokyo 1
#6064 Shohei Miyajima Mitsubishi Motors 1
#6064 Masaaki Okui Denso 1
#6064 Bingxuan ZHAO Kddi 1
#6064 Akira Yotsuyanagi Accenture Global Solutions Limited 1
#6064 Takaya Akashi Hosei University 1
#6064 Nobuaki Motegi Komatsu 1
#6064 Hiroshi Otaki Japan Tobacco 1
#6064 Toshitake Masuko Meidensha 1
#6064 Shuji Masubuchi Denki Kogyo Company, Limited 1
#6064 Takayuki Sakanoue Denki Kogyo Company, Limited 1
#6064 Kenji Kihara Toyo Aluminium K.K. 1
#6064 Mayo Watanabe Toyo Aluminium K.K. 1
#6064 Yasushi Kanzaki Toyo Aluminium K.K. 1
#6064 Shunsuke HIRAKI Bridgestone 1
#6064 Norimitsu Kameya Ihi 1
#6064 Masahi Shimoyama Ebara 1
#6064 Shigeki Matsunaga Kyushu University, National University 1
#6064 Toru Hiraga Yonex Co. 1
#6064 Shuhei Takemura Nippon Suisan Kaisha 1
#6064 Syoichiro Kaihara Ihi 1
#6064 Tohru Kodaira Ntt Advanced Technology 1
#6064 Kohei KIGAWA Oki Data 1