Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ina, JP ranks #2,321 worldwide for total patents filed in 2016, with 51 patents from 21 inventors. Leading employers of inventors based in Ina, JP include Seiko Epson, Koa, Olympus.

Showing 1–21 of 21 inventors

Rank Inventor Primary Company Patents
1 Akinori Yamada Seiko Epson 18
2 Satoshi Iwaya Seiko Epson 5
3 Koichi Hirasawa Koa 3
3 Masayuki Kikushima Seiko Epson 3
#5 Youhei Sakai Olympus 2
#5 Tadahiko Yoshioka Koa 2
#5 Yoshinori Aruga Koa 2
#5 Chiyoaki Iijima Seiko Epson 2
#5 Koji Kitahara Seiko Epson 2
#10 Tsuyoshi Miyashita Hitachi 1
#10 Tamotsu Endo Koa 1
#10 Daiki FURUSATO Seiko Epson 1
#10 Yoshiaki Matsumoto Seiko Epson 1
#10 Fukashi Yoshizawa Olympus 1
#10 Toshiya Usuda Seiko Epson 1
#10 Kenji Kameko Koa 1
#10 Tetsuo Tatsuda Seiko Epson 1
#10 Nobuhide Ogihara Shinshu University 1
#10 Aki Fujioka Medical & Biological Laboratories Co. 1
#10 Go Yamashita Seiko Epson 1
#10 Masanori Inoue Fuji Electric Co. 1