Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ama, JP ranks #5,183 worldwide for total patents filed in 2021, with 20 patents from 13 inventors. Leading employers of inventors based in Ama, JP include Ntn, Aisan Kogyo Kabushiki Kaisha, Panasonic.

Showing 1–13 of 13 inventors

Rank Inventor Primary Company Patents
1 Hiroyuki Ogura Ntn 4
2 Masanobu Shinagawa Aisan Kogyo Kabushiki Kaisha 3
3 Kiyomi Kato Panasonic 2
3 Mitsuru Yamaguchi Toyota 2
#5 Shunsuke Murata Advics Co. 1
#5 Takafumi Naka Brother Kogyo 1
#5 Masayuki Akita Kubota 1
#5 Itsuki Morimoto Brother Kogyo 1
#5 Sho Asai Brother Kogyo 1
#5 Jun Tauchi Toyota 1
#5 Kouichi Miyashita Ngk Insulators 1
#5 Keisuke Shitan Aica Kogyo Co. 1
#5 Kazuya Shido Aica Kogyo Co. 1