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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Shunan, JP ranks #2,786 worldwide for total patents filed in 2021, with 45 patents from 28 inventors. Leading employers of inventors based in Shunan, JP include Nidec, Hitachi, Tokuyama.

Showing 1–28 of 28 inventors

Rank Inventor Primary Company Patents
1 Yoshiaki Yamashita Nidec 14
2 Masayuki Miyazaki Hitachi 4
3 Michihito Nakatani Tokuyama 2
#4 Mayumi Kishi Tokuyama 1
#4 Shota Daiki Tokuyama 1
#4 Hajime Funakoshi Tosoh 1
#4 Arimitsu Takemoto Tosoh 1
#4 Hidetaka Miyazaki Kawasaki 1
#4 Maki KINOSHITA Astom 1
#4 Tomohiro Kawamura Denso Wave Incorporated 1
#4 Naohiko Takahashi Hitachi 1
#4 Toshiyuki Obata Stanley Electric Co. 1
#4 Isao Masada Tokuyama 1
#4 Takashi TAMUKAI Tokuyama 1
#4 Shunichiro Nakatsukasa Astom 1
#4 Akimasa KURAMOTO Tokuyama 1
#4 Shingo Hiranaka Tokuyama 1
#4 Yusuke SESOKO Tosoh 1
#4 Shoji Tachibana Toyo Boseki Kabushiki Kaisha 1
#4 Mou Ou Tokuyama 1
#4 Manabu YANASE Tosoh 1
#4 Kouki Tomimura Nisshin Steel Co. 1
#4 Ryuji Ishimoto Tokuyama 1
#4 Hisao Eguchi Tosoh 1
#4 Teruhiko Nawata Tokuyama 1
#4 Hajime Takasugi Idemitsu Kosan Co. 1
#4 Kohei OMURA Tokuyama 1
#4 Saiko Fujii Tokuyama 1