Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Aso, JP ranks #20,371 worldwide for total patents filed all time, with 64 patents from 20 inventors. Leading employers of inventors based in Aso, JP include Omron, Nok, Nec.

Showing 1–20 of 20 inventors

Rank Inventor Primary Company Patents
1 Tsuyoshi Takeuchi Omron 12
2 Shuji Yoshitsune Nok 8
3 Daihachi Shojima Nok 7
#4 Nan YU Nok 6
#5 Nobuyuki Umezaki Nec 4
#5 Kota Henmi Nok 4
#7 Hideto Nameki Nok 3
#7 Eizo Hayashi Nok 3
#7 Hidekazu Kanagae Nok 3
#10 Shigeo Sugimori Sony 2
#10 Chiyota Ogata Nok 2
#10 Jun Furubayashi Nok 2
#13 Kazuyuki Asai Nok 1
#13 Yasuo Takase Sanyo Electric Co. 1
#13 Tatsuo Okamura Nok 1
#13 Masaya Otuka Nok 1
#13 Hiromasa ICHIKAWA Nok 1
#13 Kenta Kohatsu Nok 1
#13 Takuya Fukudome Omron 1
#13 Yukiyoshi Yamamoto Omron 1