Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chino, JP ranks #947 worldwide for total patents filed in 2021, with 157 patents from 83 inventors. Leading employers of inventors based in Chino, JP include Seiko Epson, Rakuten Group, Ckd.

Showing 1–50 of 83 inventors

Rank Inventor Primary Company Patents
1 Toshiaki Miyao Seiko Epson 10
2 Shinsuke Fujikawa Seiko Epson 9
3 Yasuhiro Sudo Seiko Epson 7
#4 Keigo SUGAI Seiko Epson 6
#5 Nobutaka Urano Seiko Epson 4
#5 Akio Tsutsumi Seiko Epson 4
#5 Shingo Komiyama Seiko Epson 4
#5 Yuichi Kunitomo Seiko Epson 4
#9 Akio Fukase Seiko Epson 3
#9 Eiji OSAWA Seiko Epson 3
#9 Kaoru Yamaguchi Seiko Epson 3
#9 Takehiro Ono Seiko Epson 3
#9 Jun Takizawa Rakuten Group 3
#9 Takaharu Katou Ckd 3
#9 Yoshitaka Hama Seiko Epson 3
#16 Masayuki Kamiyama Seiko Epson 2
#16 Junichi Takeuchi Seiko Epson 2
#16 Yasutoshi AKIBA Seiko Epson 2
#16 Shigenori Katayama Seiko Epson 2
#16 Tsuguya Kojima Seiko Epson 2
#16 Hiroshi Fujimori Nichia 2
#16 Teppei Higuchi Seiko Epson 2
#16 Yoriko Hama Seiko Epson 2
#16 Katsuhiko Maki Seiko Epson 2
#16 Nobuhito HAYASHI Seiko Epson 2
#16 Shuichi Tanaka Seiko Epson 2
#16 Kazuma Kitadani Seiko Epson 2
#16 Ryuichi Kagaya Seiko Epson 2
#16 Yoichiro Kondo Seiko Epson 2
#16 Masato Shimada Seiko Epson 2
#16 Kazuaki Tanaka Hitachi 2
#16 Shiro Yazaki Seiko Epson 2
#16 Yusuke MATSUZAWA Seiko Epson 2
#16 Yoshihiko Yokoyama Seiko Epson 2
#16 Tomonori MATSUSHITA Seiko Epson 2
#36 Masaki UKAWA Seiko Epson 1
#36 Yuji Ikezaki Seiko Epson 1
#36 Motoaki Nishimura Seiko Epson 1
#36 Hiroyuki Tatsugi Seiko Epson 1
#36 Sho ARUGA Seiko Epson 1
#36 Yoshihide Matsuo Seiko Epson 1
#36 Chikako Fujita Seiko Epson 1
#36 Hidehiko Komatsu Seiko Epson 1
#36 Katsuji Arakawa Seiko Epson 1
#36 Daishi Kondo Seiko Epson 1
#36 Haruki Ito Seiko Epson 1
#36 Masahiko Miura Makita 1
#36 Hideki Matsuda Seiko Epson 1
#36 Hidemichi Furihata Seiko Epson 1
#36 Noriyuki Murashima Seiko Epson 1