Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Akashi, JP ranks #734 worldwide for total patents filed all time, with 4,591 patents from 837 inventors. Leading employers of inventors based in Akashi, JP include Kawasaki, Fujitsu Limited, Kanegafuchi Kagaku Kogyo.

Showing 1–50 of 837 inventors

Rank Inventor Primary Company Patents
1 Yoshimoto Matsuda Kawasaki 177
2 Jun Takagi 87
3 Akiyoshi Uchida Fujitsu Limited 65
#4 Tsutae Shinoda Fujitsu Limited 55
#5 Kiyoshi Watanabe Kanegafuchi Kagaku Kogyo 53
#6 Osamu Toyoda Fujitsu Limited 52
#7 Hiroyasu Yoshikawa Fujitsu Limited 49
#8 Naoki Kawaguchi Omron 46
#9 Hisao Okuda Fujitsu Limited 45
#10 Yoshiharu Matsuda Kawasaki 42
#11 Norikazu Matsumura Kawasaki 41
#12 Nobuhiro Kitagawa Sysmex 40
#12 Toshio Nakane Polyplastics Co. 40
#14 Yoshikazu Yabuki Sumitomo Rubber Industries 39
#15 Seiichi Ino Kawasaki 37
#16 Takeaki Shimanouchi Fujitsu Limited 32
#16 Junzo Hasegawa Kaneka 32
#18 Isao Hasegawa Sanyo Electric Co. 31
#19 Yuichi Kawamoto Kawasaki 30
#19 Kunihiko Ishihara Nec 30
#19 Kiyohiro Saito Asics 30
#19 Hiroya Ito Mitsubishi Electric 30
#19 Kiyohito Takano Kawasaki 30
#24 Yasuaki Fukuda Canon 29
#24 Masanobu Inohara Asics 29
#24 Daisuke Saeki Kawasaki 29
#24 Seiji Itoo Kawasaki 29
#28 Ayumi Hamada Kawasaki 27
#29 Hirokazu Hirose Brother Kogyo 26
#29 Nobuo Ogawa Hokuriku Pharmaceutical Co. 26
#29 Nobuyuki Washio Fujitsu Limited 26
#32 Seiichiro Yagi Kawasaki 25
#32 Yoshiro Yamane Kawasaki 25
#32 Yukio Hirai Fujitsu Limited 25
#35 Katsumi Ichikawa Kobe Steel 24
#35 Tomohiro Fujii Nec 24
#37 Shigetsugu Tanaka Kawasaki 23
#37 Morio Fujitani Sumitomo Electric Industries 23
#37 Hirohiko Goto Kawasaki 23
#37 Minori Yamaguchi Kanegafuchi Chemical Industry Co. 23
#41 Michio Fujiwara Hitachi 22
#41 Akira Takasu Minolta Co. 22
#43 Daisuke Kawai Kawasaki 21
#43 Kensuke Tanaka Caterpillar 21
#45 Yoshiro Yamada Nkk Co. 20
#45 Fumio Mizuta Kawasaki 20
#47 Kohei Akita Kawasaki 19
#47 Noboru Ueyama Kanegafuchi Kagaku Kogyo 19
#47 Keishi Fukumoto Kawasaki 19
#50 Satoaki Ichi Kawasaki 18