Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Okaya, JP ranks #1,859 worldwide for total patents filed in 2021, with 72 patents from 30 inventors. Leading employers of inventors based in Okaya, JP include Seiko Epson, Nichia, Fuji Electric Co..

Showing 1–30 of 30 inventors

Rank Inventor Primary Company Patents
1 Atsushi Matsuo Seiko Epson 10
2 Kaneo Yoda Seiko Epson 8
3 Naomi Kimura Seiko Epson 6
#4 Kenichi Seguchi Seiko Epson 4
#4 Shuichi Wakabayashi Seiko Epson 4
#4 Tetsuo Takagi Seiko Epson 4
#7 Akihiko TSUNOYA Seiko Epson 3
#7 Kazunori Takabayashi Seiko Epson 3
#9 Toshiyuki Kasai Seiko Epson 2
#9 Hiroyuki Itahana Nichia 2
#9 Kunihiko Takagi Seiko Epson 2
#9 Hideo Miyasaka Seiko Epson 2
#9 Toshiaki Hashizume Seiko Epson 2
#9 Katsunari Kumagai Seiko Epson 2
#9 Shinobu Yokokawa Seiko Epson 2
#9 Naoto ARUGA Seiko Epson 2
#17 Noriaki Miyasaka Seiko Epson 1
#17 Kazutoshi Fujisawa Seiko Epson 1
#17 Yosuke Miyazawa Fuji Electric Co. 1
#17 Kaori Sendai Seiko Epson 1
#17 Hiroshige Owaki Seiko Epson 1
#17 Chisato Tezuka Seiko Epson 1
#17 Akihiro Tomie Seiko Epson 1
#17 Ayako Kobayashi Seiko Epson 1
#17 Keigo Oguchi Komatsuseiki Kosakusho Co. 1
#17 Sadaaki Horiuchi Seiko Epson 1
#17 Takahiro Katakura Seiko Epson 1
#17 Seiji Tamaki Tpr Co. 1
#17 Takeshi Furihata Seiko Epson 1
#17 Toshiyuki Nozawa Seiko Epson 1