Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Tatsuno, JP ranks #3,727 worldwide for total patents filed all time, with 785 patents from 127 inventors. Leading employers of inventors based in Tatsuno, JP include Seiko Epson, Daicel Chemical Industries, Sumitomo Electric Industries.

Showing 1–50 of 127 inventors

Rank Inventor Primary Company Patents
1 Noritaka IDE Seiko Epson 64
2 Akitaka Yajima Seiko Epson 50
3 Shingo Oda Daicel Chemical Industries 41
#4 Katsuhiro Takahashi Sumitomo Electric Industries 33
#5 Tomoharu Kobayashi Daicel 31
#6 Mikio Yabuta Daicel Chemical Industries 26
#7 Kazuya Nakamura Makita 25
#7 Shigenori Nakagawa Seiko Epson 25
#9 Manabu Akahane Seiko Epson 24
#10 Masako Fukuda Seiko Epson 19
#11 Teppei Hanano Daicel 18
#11 Takashi Saikawa Seiko Epson 18
#13 Shinichiro Ukita Daicel 16
#13 Atsushi Taguchi Nipro 16
#15 Tetsuya Kawasaki Canon 14
#16 Haruna Takahashi Seiko Epson 13
#17 Yasunaga Momose Seiko Epson 11
#17 Toshinori Nagahashi Seiko Epson 11
#19 Shigeru Hosokai Olympus 10
#19 Tatsuya SHIRANE Seiko Epson 10
#19 Katsuo Ishikawa Epson Toyocom 10
#19 Shinichi Yoshie Seiko Epson 10
#23 Satoshi Fujisawa Furukawa Electric Co. 9
#23 Kenichiro Yamamoto Nagase & Co. 9
#25 Haruhiko Yamashita Daicel 8
#26 Hisatoshi Nakamura Seiko Epson 7
#26 Takako SUGIYAMA Seiko Epson 7
#26 Osamu Usuda Kabushiki Kaisha Toshiba 7
#29 Kikuji Hirose Nippon Steel 6
#29 Hirohisa Ozawa Nec 6
#29 Kazunobu Kubota Sony 6
#29 Hiroyuki Uhara Nippon Shokubai Co. 6
#29 Kenji KITAYAMA Daicel Chemical Industries 6
#34 Shigenori Isozaki Seiko Epson 5
#34 Yoshio Kono Panasonic 5
#34 Mitsuhiro Toda Seiko Epson 5
#34 Shoichi Nagamatsu Seiko Epson 5
#34 Katsumi Iguchi Fujitsu Limited 5
#34 Naohiro Taniguchi Panasonic 5
#34 Yoshiaki Horiuchi Kuraray Co. 5
#34 Yoshitaka Takesako Lintec 5
#34 Hideaki Kasai Osaka University 5
#34 Masashi Hoya Fuji Electric Co. 5
#44 Arata Koroyasu 4
#44 Atsushi MITSUNABE Daicel 4
#44 Akimasa NOZAWA Seiko Epson 4
#44 Norikazu TSUKAHARA Seiko Epson 4
#44 Naoki Nakatsuka Daicel 4
#44 Kotoya Aruga Seiko Epson 4
#44 Akifumi Noda Daicel 4