Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Nerima, JP ranks #4,521 worldwide for total patents filed in 2021, with 24 patents from 11 inventors. Leading employers of inventors based in Nerima, JP include Topcon, Kabushiki Kaisha Toshiba, Fujitsu Limited.

Showing 1–11 of 11 inventors

Rank Inventor Primary Company Patents
1 Makoto SAIKA Topcon 5
2 Tetsuro Itakura Kabushiki Kaisha Toshiba 4
3 Kazumi Kubota Fujitsu Limited 3
#4 Koji Sawanobori Nidec Copal 2
#4 Nobuo Yamamoto Denso 2
#4 Masatoshi Sakurai Kabushiki Kaisha Toshiba 2
#4 Kazuya Ohira Kabushiki Kaisha Toshiba 2
#8 Shiho Nakahara Fujitsu Limited 1
#8 Yasuo NAMIOKA Kabushiki Kaisha Toshiba 1
#8 Tsutomu Shinozaki Innolux 1
#8 Jiaxing XU Fujitsu Limited 1