Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ina, JP ranks #3,916 worldwide for total patents filed in 2021, with 29 patents from 16 inventors. Leading employers of inventors based in Ina, JP include Seiko Epson, Koa, Olympus.

Showing 1–16 of 16 inventors

Rank Inventor Primary Company Patents
1 Tetsuo Tatsuda Seiko Epson 5
2 Tamotsu Endo Koa 3
2 Takuro Suyama Olympus 3
#4 Keishi Nakamura Koa 2
#4 Koichi Minowa Koa 2
#4 Masayuki Kamijima Seiko Epson 2
#4 Chika Ito Koa 2
#4 Kazuhisa Ushiyama Koa 2
#9 Mikimoto Jin Seiko Epson 1
#9 Soya Miyajima Koa 1
#9 Toshiya Usuda Seiko Epson 1
#9 Mikito Nakajima Seiko Epson 1
#9 Sho Matsuzaki Seiko Epson 1
#9 Shingo Toji Medical & Biological Laboratories Co. 1
#9 Go Yamashita Seiko Epson 1
#9 Youhei Sakai Olympus 1