Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chino, JP ranks #916 worldwide for total patents filed in 2022, with 151 patents from 78 inventors. Leading employers of inventors based in Chino, JP include Seiko Epson, Brother Kogyo, Mitsui Chemicals.

Showing 1–50 of 78 inventors

Rank Inventor Primary Company Patents
1 Shinsuke Fujikawa Seiko Epson 13
1 Toshiaki Miyao Seiko Epson 13
3 Yoichiro Kondo Seiko Epson 5
#4 Akio Fukase Seiko Epson 4
#4 Eiji OSAWA Seiko Epson 4
#4 Junichi Takeuchi Seiko Epson 4
#4 Yasuhiro Sudo Seiko Epson 4
#4 Shinichi Naito Seiko Epson 4
#9 Hirofumi Hokari Seiko Epson 3
#9 Toshiki Fujimori Seiko Epson 3
#9 Osamu Okumura Seiko Epson 3
#9 Naoki Ishihara Seiko Epson 3
#9 Akio Tsutsumi Seiko Epson 3
#9 Shotaro Watanabe Seiko Epson 3
#9 Yudai OKAMAE Seiko Epson 3
#9 Motoaki Nishimura Seiko Epson 3
#9 Jun Irobe Seiko Epson 3
#18 Hiroyuki Tatsugi Seiko Epson 2
#18 Shiro Yazaki Seiko Epson 2
#18 Nobutaka Urano Seiko Epson 2
#18 Noriyuki Murashima Seiko Epson 2
#18 Yuichi Kunitomo Seiko Epson 2
#18 Hirokazu Sekino Seiko Epson 2
#18 Yoshitaka Hama Seiko Epson 2
#18 Tsuguya Kojima Seiko Epson 2
#18 Masayuki OMOTO Seiko Epson 2
#18 Yasushi Kawakami Brother Kogyo 2
#18 Ryuichi Kagaya Seiko Epson 2
#18 Kentaro Yoda Seiko Epson 2
#30 Daigo HAMA Mitsui Chemicals 1
#30 Jun Takizawa Rakuten Group 1
#30 Noriyasu Kawana Seiko Epson 1
#30 Hiromitsu Abe Rohm Co. 1
#30 Yuichi Hiwasa Seiko Epson 1
#30 Takehiro Ono Seiko Epson 1
#30 Tetsuro Matsumoto Hitachi 1
#30 Teruaki NANBA Seiko Epson 1
#30 Atsushi Kitabayashi Seiko Epson 1
#30 Shingo Komiyama Seiko Epson 1
#30 Atsushi Denda Seiko Epson 1
#30 Hisako Kojima Seiko Epson 1
#30 Kazuma Kitadani Seiko Epson 1
#30 Hidetoshi Tako Seiko Epson 1
#30 Yoshihiko Yokoyama Seiko Epson 1
#30 Keigo SUGAI Seiko Epson 1
#30 Yusuke MATSUZAWA Seiko Epson 1
#30 Tomonori MATSUSHITA Seiko Epson 1
#30 Sho ARUGA Seiko Epson 1
#30 Takeo Funakawa Seiko Epson 1
#30 Taisuke Muto Kitz 1