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USPTO Patent Rankings Data through Dec 31, 2025
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Hiroshima, JP 2021

780 patents  ·  461 inventors

Ranked #173 of 43,435 cities Top 1%

Hiroshima, JP ranks #173 worldwide for total patents filed in 2021, with 780 patents from 461 inventors. Leading employers of inventors based in Hiroshima, JP include Mazda Motor, Omron, Sharp Kabushiki Kaisha.

Showing 1–50 of 461 inventors

Rank Inventor Primary Company Patents
1 Masanari Sueoka Mazda Motor 16
2 Keiji Maruyama Mazda Motor 15
2 Takuya Ohura Mazda Motor 15
#4 Hidenori Matsuoka Mazda Motor 13
#5 Masami Nishida Omron 11
#6 Akihiro Yamamoto Sharp Kabushiki Kaisha 10
#7 Daisuke Umetsu Mazda Motor 9
#8 Michiharu Kawano Mazda Motor 7
#9 Tomohiro Nakagawa Komatsu 6
#9 Yamato MATSUDA Mazda Motor 6
#9 Kouji Teramoto Mazda Motor 6
#9 Nobuyuki Nakayama Mazda Motor 6
#13 Ryotaro Nishida Mazda Motor 5
#13 Daisuke Kiyoshita Mazda Motor 5
#13 Tatsuya Takahata Mazda Motor 5
#13 Masaki Fukuma Mazda Motor 5
#13 Hitoshi Sasaki Kobelco Construction Machinery Co. 5
#13 Takao Sugano Kokuyo Co. 5
#13 Yoshiatsu Kuga Mazda Motor 5
#13 Daisaku Ogawa Mazda Motor 5
#13 Kuniyoshi Tashiro Mazda Motor 5
#22 Hidesaku Ebesu Mazda Motor 4
#22 Toshiharu YANAGAWA Chugoku Electric Power Co. 4
#22 Kento Onishi Mazda Motor 4
#22 Keisuke Ebisumoto Mazda Motor 4
#22 Hideyuki Tsukamoto Mazda Motor 4
#22 Yoshitaka Wada Mazda Motor 4
#22 Yasunori Takahara Mazda Motor 4
#22 Yoshihisa Nou Mazda Motor 4
#22 Morihide Yamada Mazda Motor 4
#22 Natsuki Yumoto Kobelco Construction Machinery Co. 4
#32 Keishi Kitabatake Mazda Motor 3
#32 Takayuki Ichikawa Kubota 3
#32 Akihiro Nakashima Toyota Industries 3
#32 Osamu Sunahara Mazda Motor 3
#32 Tomotaka Ishizaka Mazda Motor 3
#32 Takako Yada Ikeda Food Research Co. 3
#32 Tsuguhisa Miyamoto Mazda Motor 3
#32 Yuichiro Akiya Mazda Motor 3
#32 Kentaro Nomura Mazda Motor 3
#32 Masaki Chiba Nec 3
#32 Hiromu Sugano Mazda Motor 3
#32 Chikako Ohisa Mazda Motor 3
#32 Kazuhiro Takemura Mazda Motor 3
#32 Kouji Hadama Mazda Motor 3
#32 Shigeru Sugioka Micron 3
#32 Harumitsu Kubota Mazda Motor 3
#32 Hironori Omura Ikeda Food Research Co. 3
#32 Naotoshi Shirahashi Mazda Motor 3
#32 Masatoshi KOZUI Kobelco Construction Machinery Co. 3

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