Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kawasaki, JP ranks #916 worldwide for total patents filed all time, with 3,633 patents from 98 inventors. Leading employers of inventors based in Kawasaki, JP include Headway Technologies, Seiko Epson, Panasonic.

Showing 1–50 of 98 inventors

Rank Inventor Primary Company Patents
1 Yoshitaka Sasaki Headway Technologies 521
2 Satoru Tanaka Seiko Epson 274
3 Hiroshi Iwai Panasonic 147
#4 Kenichi Osada Hitachi 145
#5 Yusuke Shimizu Canon 141
#6 Hiroaki Yamada Yazaki 106
#7 Yuji Imai Nikon 88
#8 Toshihide Kikkawa Fujitsu Limited 87
#9 Tamotsu Yamamoto Sumitomo Electric Industries 81
#10 Hironori Uchikawa Kabushiki Kaisha Toshiba 78
#10 Koji Adachi 78
#12 Shingo Yamaguchi Fujitsu Limited 73
#12 Hajime Hamada Fujitsu Limited 73
#14 Yasuyuki Mimatsu Hitachi 70
#15 Shigeo Kobayashi Sumitomo Electric Industries 63
#16 Yukihiro Abiko Fujitsu Limited 60
#17 Yasushi Kasa Fujitsu Limited 58
#18 Hitoshi Shiga Kabushiki Kaisha Toshiba 57
#19 Bo Wang Disney 55
#20 Isamu Yamada Fujitsu Limited 52
#20 Masaki Hirota 52
#22 Shigeru Nakagawa IBM 50
#23 Masaki Nishikawa Kabushiki Kaisha Toshiba 47
#24 Ryoji Watanabe Tokyo Ohka Kogyo Co. 45
#25 Daiki Masumoto Fujitsu Limited 41
#26 Kyoichi Suwa Nikon 40
#27 Toshiyuki Yamane IBM 39
#27 Yukihiro Urakawa Kabushiki Kaisha Toshiba 39
#29 Shouhei Kousai Kabushiki Kaisha Toshiba 36
#29 Taisuke Matsumoto Panasonic 36
#31 Kazutaka Nogami Kabushiki Kaisha Toshiba 33
#32 Michiaki Matsuo Panasonic 32
#33 Chienliu Chang Canon 30
#34 Minoru Nitta Kawasaki Steel 29
#35 Vishal Sharma Microsoft 27
#35 Natsuki Kushiyama Kabushiki Kaisha Toshiba 27
#37 Tomonori KUBOTA Fujitsu Limited 26
#37 Masanori Kaneko Canon 26
#39 Masami Mizutani Fujitsu Limited 25
#40 Jusuke Ogura AMD 24
#41 Yoichi Koyanagi Fujitsu Limited 22
#42 E. Noel Abarra Fujitsu Limited 21
#42 Takeo Hamada Fujitsu Limited 21
#44 Nobuo Ogasawara Fujitsu Limited 20
#45 Yoshie Kimura Lam Research 19
#45 Tooru Inoue Kabushiki Kaisha Toshiba 19
#45 Eiichiro Kimura Ajinomoto Co. 19
#48 David Thach Fujitsu Limited 18
#49 Masato Otsuka Memory-Tech Holdings 17
#50 Nobuyuki Iwauchi Canon 16

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