Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Touon, JP ranks #12,324 worldwide for total patents filed all time, with 145 patents from 34 inventors. Leading employers of inventors based in Touon, JP include Tdk, Hitachi, Toyota.

Showing 1–34 of 34 inventors

Rank Inventor Primary Company Patents
1 Taisuke Ahiko Tdk 28
2 Izumi Ochiai Hitachi 15
3 Tadao Hasegawa Toyota 14
#4 Setsuyuki Takeuchi A.K. Technical Laboratory 12
#5 Hideo Uzuhashi Hitachi 8
#6 Yuetsu Watanabe Mitsubishi Electric 7
#6 Toshio Ogata Hitachi 7
#8 Yosei Yoshikawa Sumitomo Electric Industries 5
#8 Yasushi Izumibe Tdk 5
#8 Ryoichi Fujimoto Hitachi 5
#11 Keiichiro Koba Mitsui Mining Company, Limited 4
#11 Yoshimi Yodokawa Tdk 4
#13 Hiroshi Sumitomo Nicca Chemical Co. 3
#14 Taisei Hosoda Hitachi 2
#14 Tomomi Izuna Hitachi 2
#14 Kazuyoshi Kobayashi Tdk 2
#14 Shigehiko Shirai Tdk 2
#14 Yoritsune Abe Hitachi 2
#14 Yoshinari Nagoya Hitachi 2
#14 Hisao Senzaki Tdk Electronics Ag 2
#21 Yasuyuki Takahara Hitachi 1
#21 Toshiaki Hori 1
#21 Zen Mitsui Nippi 1
#21 Shigeyoshi Sugita Nippon Electric Co. 1
#21 Nobue Umebayashi Sumitomo Electric Industries 1
#21 Syouji Tajima Ricoh Company 1
#21 Syuuzi Tsuchiya Nissan Chemical Industries 1
#21 Masahide Shibuya Tdk 1
#21 Sadao Dabamoto Wintec 1
#21 Seietu Takahashi Hitachi 1
#21 Kinshiro Hoshino Japan Tobacco & Salt Public 1
#21 Kazunari Yonezuka Tdk Electronics Ag 1
#21 Katuharu Uehara Hitachi 1
#21 Yosinari Nagoya Hitachi 1