Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Setagaya, JP ranks #1,761 worldwide for total patents filed in 2021, with 76 patents from 33 inventors. Leading employers of inventors based in Setagaya, JP include Kabushiki Kaisha Toshiba, IBM, Toyota.

Showing 1–33 of 33 inventors

Rank Inventor Primary Company Patents
1 Ryota Kitagawa Kabushiki Kaisha Toshiba 7
2 Isao Takasu Kabushiki Kaisha Toshiba 5
2 Issei Yoshida IBM 5
#4 Ko Koga Toyota 4
#4 Yoshiroh Kamiyama IBM 4
#4 Shigekazu Okumura Fujitsu Limited 4
#4 Manabu Nishiyama Kabushiki Kaisha Toshiba 4
#4 Tetsu SHIJO Kabushiki Kaisha Toshiba 4
#9 Shigeki Fukuta Fujitsu Limited 3
#10 Sanroku Tsukamoto Fujitsu Limited 2
#10 Takehiro Fujita Fujitsu Limited 2
#10 Yoichi Kawano Fujitsu Limited 2
#10 Masahiko Nakagawa Honda Motor Co. 2
#10 Takanori Mizuguchi Ntt Communications 2
#10 Daisuke Ajitomi Kabushiki Kaisha Toshiba 2
#10 Masaaki Onomura Kabushiki Kaisha Toshiba 2
#10 Osamu Torii Kabushiki Kaisha Toshiba 2
#10 Jumpei KOYAMA Fujitsu Limited 2
#10 Kazushige Miyake Yamaha 2
#10 Rei Kimura Kabushiki Kaisha Toshiba 2
#10 Kohei Oasa Kabushiki Kaisha Toshiba 2
#22 Hirofumi Morita Nuflare Technology 1
#22 Yoshio Kijima Sumitomo Metal Mining Co. 1
#22 Tadao Kimura Sumitomo Electric Industries 1
#22 Ken YABUI Kabushiki Kaisha Toshiba 1
#22 Keiichi Ohmachi Fujitsu Limited 1
#22 Hiroyasu Fujiwara Hamamatsu Photonics K.K. 1
#22 Hirokazu Ikeyama Kabushiki Kaisha Toshiba 1
#22 Kazuharu Seki Izumi-Cosmo Co. 1
#22 Tetsuya Hasegawa Yazaki 1
#22 Takashi Mizoguchi Pioneer 1
#22 Yasufumi Kajiyama Kabushiki Kaisha Toshiba 1
#22 Yanpeng Lin Advanced New Technologies Co. 1