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 Ihi, Tdk, Hitachi.

Showing 15,201–15,250 of 15,298 inventors

Rank Inventor Primary Company Patents
#6064 Eisuke Shiina Ihi 1
#6064 Fumitaka Baba Tdk 1
#6064 Tomohiro Moriyama Hitachi 1
#6064 Yumiko Kuno Canon 1
#6064 Atsushi Kakino Mitsubishi Electric 1
#6064 Rumiko Furuya Horiba 1
#6064 Kengo Nishikawa Mitsubishi Electric 1
#6064 Mamoru Takanashi Japan Oil, Gas And Metals National 1
#6064 Gou Nakashima IBM 1
#6064 Teppei Oga Tpr Co. 1
#6064 Rikiya Tanabe Nihon Kohden 1
#6064 Kazuma Mawatari Japan Science And Technology Agency 1
#6064 Joan GINER Hitachi 1
#6064 Yukio Kumata Sumitomo Heavy Industries 1
#6064 Yuri Ban Disco 1
#6064 Hirobumi Toyoda Comcast 1
#6064 Hiroko Izumihara Mitsubishi Electric 1
#6064 Kazumi Ueno Mitsubishi Electric 1
#6064 Shinsuke Matsunaga Azbil 1
#6064 Hiroto Kokubun Hitachi Medical 1
#6064 Tomoshige YUNOKUCHI Asahi Kasei Kabushiki Kaisha 1
#6064 Yoshinori Tanikawa Mitsubishi Electric 1
#6064 Akira Seki Sumitomo Metal Industries 1
#6064 Tomoaki Komai Daiichi Sankyo Company, Limited 1
#6064 Yuji Iwadate GE 1
#6064 Koji Toyohara Konami Computer Entertainment Osaka 1
#6064 Shogo Yoshimi Subaru 1
#6064 Motoyuki Shima Jsr 1
#6064 Koichi Masuo Mitsubishi Electric 1
#6064 Takashi Ishide Mitsubishi Electric 1
#6064 Yoshinori Kanaya Canon 1
#6064 Haruhiko Hatano Hitachi High-Technologies 1
#6064 Tomomi Yajima Ihi 1
#6064 Keisuke Aoki Sony 1
#6064 Kota Arasaki Tdk 1
#6064 Koichi Yamazaki Kowa Company 1
#6064 Kazuhide Maeda Toyo Aerosol Industry Co. 1
#6064 Junichi Minamiura Mitsubishi Hitachi Power Systems 1
#6064 Nobuyuki Kishi Ricoh Company 1
#6064 Ryo Miyashita Mitsubishi Electric 1
#6064 Osamu Ooba Sony 1
#6064 Masashi Hiramoto Astellas Pharma 1
#6064 Akira Kanai Astellas Pharma 1
#6064 Hiroyuki Kaizawa Astellas Pharma 1
#6064 Hiroshi Morikawa Astellas Pharma 1
#6064 Yasuhiro Sekijima Subaru 1
#6064 Yuta Sugawara Panasonic 1
#6064 Osamu Tsuchihashi Nintendo Co. 1
#6064 Makoto Hashiba Dai Nippon Printing Co. 1
#6064 Naonori Nagai Mitsubishi Electric 1