Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Itabashi, JP ranks #3,785 worldwide for total patents filed in 2016, with 28 patents from 22 inventors. Leading employers of inventors based in Itabashi, JP include Nikon, Topcon, Gc.

Showing 1–22 of 22 inventors

Rank Inventor Primary Company Patents
1 Masahiko Yasuda Nikon 3
1 Yoshiaki Goto Topcon 3
3 Tatsunosuke Miyano Gc 2
3 Tsuyoshi Mutou Lintec 2
#5 Toshio Oshima Hitachi Maxell 1
#5 Yoshikatsu Tokuda Topcon 1
#5 Takayasu TAKAHASHI Oriental Yeast Co. 1
#5 Tomohiro Sakurada Topcon 1
#5 Hideki Yarimizu Gc 1
#5 Kazuo Maruyama Nepa Gene Co. 1
#5 Tadahiro Tominou Lintec 1
#5 Ryuichi Morishima Topcon 1
#5 Satoru Wakana Oriental Yeast Co. 1
#5 Miyuki Kodama Tanita 1
#5 Shigeyuki Yaguchi Honda Motor Co. 1
#5 Atsuo Kumekawa Tanita 1
#5 Hiroyuki Katsurada Pentax 1
#5 Yohei Nagai Nippon Gakki Seizo 1
#5 Sayaka Suwa Fujitsu Limited 1
#5 Shohei Kuwabara Fujitsu Limited 1
#5 Tatsutoshi Kobayakawa Tanita 1
#5 Takao Nishikawa Seiko Epson 1