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USPTO Patent Rankings Data through Dec 31, 2025
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Aki, JP All Time

2,103 patents  ·  393 inventors

Ranked #1,593 of 112,640 cities Top 2%

Aki, JP ranks #1,593 worldwide for total patents filed all time, with 2,103 patents from 393 inventors. Leading employers of inventors based in Aki, JP include Fujitsu Limited, Kioxia, Nec.

Showing 1–50 of 393 inventors

Rank Inventor Primary Company Patents
1 Shinya Fujioka Fujitsu Limited 103
2 Hideki Yamada Kioxia 68
3 Kouichi Matsumoto Nec 56
#4 Daisuke Fukuda Fujitsu Limited 49
#5 Kota Matsumoto Mazda Motor 45
#6 Masahiro Miyazaki Tdk 44
#7 Shuichi Hashimoto Fujitsu Limited 39
#8 Koji Miyamoto Mazda Motor 37
#9 Hiroki Kimura Nihon Dempa Kogyo Co. 32
#10 Hideki Hosoya Canon 31
#10 Tatsuhiro Tokunaga Mazda Motor 31
#12 Daisuke Shimo Mazda Motor 26
#13 Kei Yonemori Mazda Motor 25
#13 Hiroaki Takeshita Mazda Motor 25
#15 Motoharu Sato Mazda Motor 24
#15 Eiji Sugimoto Delta Tooling Co. 24
#17 Hiroki Morimoto Mazda Motor 23
#17 Tomokuni Kusunoki Mazda Motor 23
#17 Junichi Kubo Nippon Oil 23
#20 Kazuyuki Fukushima Amgen 19
#21 Yuji Tashiro Az Electronic Materials (Luxembourg) S.A.R.L. 18
#21 Toshiyuki Koga Kabushiki Kaisha Toshiba 18
#21 Seiyo Hirano Mazda Motor 18
#21 Keiichi Hiwatashi Mazda Motor 18
#21 Atsushi Yamasaki Mazda Motor 18
#26 Hiroshi Sogabe Mazda Motor 17
#26 Yasutake Tsuchida Mazda Motor 17
#28 Mikihito Fujii Mazda Motor 16
#28 Tatsuya Fujikawa Mazda Motor 16
#28 Toshihiko Tomita Mazda Motor 16
#28 Koji Iwase Mazda Motor 16
#28 Akiyoshi Masuda Mazda Motor 16
#28 Hirotaka Natsume Mazda Motor 16
#34 Mitsutoshi Abe Mazda Motor 15
#34 Shinshi Kajimoto Mazda Motor 15
#34 Shohei Fujii Tdk 15
#34 Wataru Masuda Sumitomo Electric Industries 15
#34 Tomohiro Koguchi Mazda Motor 15
#39 Tomonori Saeki Hitachi High-Technologies 14
#39 Hideki Sanai Mazda Motor 14
#39 Tsuyoshi Toyoda Mazda Motor 14
#42 Yuichiro Tsumura Mazda Motor 13
#42 Hiroyuki Utsumi Fujitsu Limited 13
#42 Manabu Sasahara Mazda Motor 13
#42 Akira Tsuda Mazda Motor 13
#46 Yodai Yamaguchi Mazda Motor 12
#46 Yasumasa Imamura Mazda Motor 12
#46 Keita Arai Mazda Motor 12
#46 Ryuji Kuwano Delta Tooling Co. 12
#50 Kouichi Nakaya Mazda Motor 11

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