Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Itoshima, JP ranks #2,120 worldwide for total patents filed in 2017, with 60 patents from 32 inventors. Leading employers of inventors based in Itoshima, JP include Toto, Panasonic, Toyota.

Showing 1–32 of 32 inventors

Rank Inventor Primary Company Patents
1 Satoshi HAKOZAKI Toto 5
1 Tatsuo Yamamura Panasonic 5
1 Sho KONDO Toto 5
1 Hirotsugu AGATSUMA Toto 5
#5 Satoshi Kawaguchi Panasonic 4
#6 Kazuki Tanaka Toyota 2
#6 Hironori Yamasaki Toto 2
#6 Satoshi KANEYUKI Toto 2
#6 Yoshiyuki Jufuku Fujitsu Limited 2
#6 Koji Bato Fujitsu Limited 2
#6 Hideaki Sawada Nippon Steel & Sumitomo Metal 2
#6 Kazuhiko Kikuya Toda Kogyo 2
#6 Yasuhiko Akaike Kabushiki Kaisha Toshiba 2
#6 Yoshinobu Shimokawa Fujitsu Limited 2
#15 Kazuki Anada Toto 1
#15 Yuta KUGIYAMA Kabushiki Kaisha Toshiba 1
#15 Tomoyasu Ichiki Toto 1
#15 Hiroshi Suzunaga Kabushiki Kaisha Toshiba 1
#15 Kouta Sano Toda Kogyo 1
#15 Masahiro Mizukane Toto 1
#15 Tatsuro Miyazaki Sumitomo Electric Industries 1
#15 Hideki Tanimura Idemitsu Kosan Co. 1
#15 Hidetaka Nishi NTT 1
#15 Teruaki Santoki Toda Kogyo 1
#15 Shinichi Yagi Toto 1
#15 Shintaro Fukuzato Toto 1
#15 Takahiro Hino Sumitomo Chemical 1
#15 Mitoki Higashi Toto 1
#15 Motoji YAMAMOTO Kyushu University, National University 1
#15 Motoyasu Miyao Toto 1
#15 Katsufumi Kondo Kabushiki Kaisha Toshiba 1
#15 Taiki Imahashi Toda Kogyo 1