Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ina, JP ranks #2,657 worldwide for total patents filed in 2017, with 46 patents from 25 inventors. Leading employers of inventors based in Ina, JP include Seiko Epson, Fuji Electric Co., Koa.

Showing 1–25 of 25 inventors

Rank Inventor Primary Company Patents
1 Go Yamashita Seiko Epson 5
2 Akinori Yamada Seiko Epson 4
2 Masanori Inoue Fuji Electric Co. 4
#4 Koichi Hirasawa Koa 3
#4 Daiki FURUSATO Seiko Epson 3
#4 Satoshi Iwaya Seiko Epson 3
#7 Kenji Kameko Koa 2
#7 Yoshiaki Matsumoto Seiko Epson 2
#7 Keishi Nakamura Koa 2
#7 Tamotsu Endo Koa 2
#7 Fukashi Yoshizawa Olympus 2
#12 Yoshinori Aruga Koa 1
#12 Wataru Ikegami Seiko Epson 1
#12 Seiichi Yamane National Federation Of Agricultural Cooperative Associations 1
#12 Koji Kitahara Seiko Epson 1
#12 Youhei Sakai Olympus 1
#12 Takeshi Kuroda Kobe Steel 1
#12 Masayuki Kamijima Seiko Epson 1
#12 Tetsuo Tatsuda Seiko Epson 1
#12 Aki Fujioka Medical & Biological Laboratories Co. 1
#12 Koichiro Miyazaki Fujifilm 1
#12 Chika Ito Koa 1
#12 Tadahiko Yoshioka Koa 1
#12 Jun-Ichi Nishide Seiko Epson 1
#12 Masayuki Kikushima Seiko Epson 1