Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Koto, JP ranks #3,242 worldwide for total patents filed in 2021, with 37 patents from 25 inventors. Leading employers of inventors based in Koto, JP include Ihi, Konica Minolta, Yachiyo Industry Co..

Showing 1–25 of 25 inventors

Rank Inventor Primary Company Patents
1 Ryosuke YUMOTO Ihi 4
2 Kengo IKEDA Konica Minolta 3
3 Teruyuki Nakamura Yachiyo Industry Co. 2
3 Natsuko Motoda Ihi 2
3 Tomonori Enoki Ihi 2
3 Masaaki Komatsu Hitachi 2
3 Iwao Waga Nec Solution Innovators 2
3 Naoki Futakuchi Hitachi 2
3 Yoshimitsu Matsuyama Ihi 2
#10 Kaori Ito Daiichi Sankyo Company, Limited 1
#10 Ken Okuyama Hitachi 1
#10 Yoshiaki Miyakawa Nikon 1
#10 Tsutomu Murakami Canon 1
#10 Masato Ishizaki Ihi 1
#10 Ryusuke Numakura Ihi 1
#10 Sachio Nomura Japanese Foundation For Cancer Research 1
#10 Asami MISHIRO Kao 1
#10 Yoshitaka Adachi Kabushiki Kaisha Toshiba 1
#10 Tatsuya Hashizume Ihi 1
#10 Armand Simon Alymamy Girier Kabushiki Kaisha Toshiba 1
#10 Kanako Tsuchida IBM 1
#10 Baotong Wang Ihi 1
#10 Soumya Dutta Ihi 1
#10 Jou Akitomi Nec Solution Innovators 1
#10 Shigeaki Sakurai Kabushiki Kaisha Toshiba 1