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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Itoshima, JP ranks #2,280 worldwide for total patents filed in 2016, with 52 patents from 35 inventors. Leading employers of inventors based in Itoshima, JP include Kabushiki Kaisha Toshiba, Toto, Panasonic.

Showing 1–35 of 35 inventors

Rank Inventor Primary Company Patents
1 Shinji Nunotani Kabushiki Kaisha Toshiba 7
2 Kazuki Anada Toto 3
2 Takuma Wada Toto 3
2 Tatsuo Yamamura Panasonic 3
#5 Naoya Ushiyama Kabushiki Kaisha Toshiba 2
#5 Naoya Takai Kabushiki Kaisha Toshiba 2
#5 Gen Watari Kabushiki Kaisha Toshiba 2
#5 Koji Bato Fujitsu Limited 2
#5 Kazuhiko Kikuya Toda Kogyo 2
#10 Yoshinobu Shimokawa Fujitsu Limited 1
#10 Tomoyasu Ichiki Toto 1
#10 Yo Morotomi Toto 1
#10 Masanobu Irie Fuji Engineering Co. 1
#10 Kohei Inokuchi Toto 1
#10 Yukiko Yano Toyota 1
#10 Yasuhiko Akaike Kabushiki Kaisha Toshiba 1
#10 Hiroshi Suzunaga Kabushiki Kaisha Toshiba 1
#10 Kazuki Tanaka Toyota 1
#10 Satoshi Kawaguchi Panasonic 1
#10 Teruaki Santoki Toda Kogyo 1
#10 Hironori Yamasaki Toto 1
#10 Katsuyoshi Furuki Kabushiki Kaisha Toshiba 1
#10 Nobuyuki TAGAMI Toda Kogyo 1
#10 Tokuhiko Matsunaga Kabushiki Kaisha Toshiba 1
#10 Masahiro Mizukane Toto 1
#10 Koichiro Matsushita Toto 1
#10 Eiji Nakashima Kabushiki Kaisha Toshiba 1
#10 Katsufumi Kondo Kabushiki Kaisha Toshiba 1
#10 Yukiko Takiba Kabushiki Kaisha Toshiba 1
#10 Taiki Imahashi Toda Kogyo 1
#10 Katsuhiro Kawakami Toto 1
#10 Toshiyuki Kotani Kabushiki Kaisha Toshiba 1
#10 Takahiro Hino Sumitomo Chemical 1
#10 Yuichi Tagami Kabushiki Kaisha Toshiba 1
#10 Tomohiro Horio Sumco 1