Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kosai, JP ranks #1,417 worldwide for total patents filed in 2016, with 89 patents from 42 inventors. Leading employers of inventors based in Kosai, JP include Yazaki, Denso, Asmo Co..

Showing 1–42 of 42 inventors

Rank Inventor Primary Company Patents
1 Hidehiko Kuboshima Yazaki 7
1 Eiichi Toyama Yazaki 7
3 Shigemi Hashizawa Yazaki 6
#4 Yoshiaki Takano Denso 5
#4 Hidehiro Ichikawa Yazaki 5
#4 Chie Morita Asmo Co. 5
#7 Eiichi Tohyama Yazaki 4
#8 Koji Mikami Canon 3
#8 Kazuyuki Shibata Asmo Co. 3
#8 Tsukasa Sekino Yazaki 3
#11 Kimitoshi Makino Yazaki 2
#11 Hiroki Gotou Yazaki 2
#11 Masami Muramatsu Ajinomoto Co. 2
#11 Tomoyasu Terada Yazaki 2
#11 Yuuki Fujii Yazaki 2
#11 Mitsuji Kubota Yazaki 2
#11 Takeshi Wakana Asmo Co. 2
#11 Takashi Umeno Mitsubishi Pencil Company, Limited 2
#11 Yasuhiro Mochizuki Hitachi 2
#20 Akio Murase Denso 1
#20 Takehiko Ohshita Denso 1
#20 Takafumi Toda Yazaki 1
#20 Toshihiro Hikosaka Fuji Kiko Co. 1
#20 Takuro Ota Asmo Co. 1
#20 Yoshiyasu Inoue Denso 1
#20 Yoshinobu Nagao Asmo Co. 1
#20 Yoshimichi Sahara Asmo Co. 1
#20 Atsuyoshi Yamaguchi Yazaki 1
#20 Fumisato Mase Fuji Kiko Co. 1
#20 Noriaki Akamine Yazaki 1
#20 Tomohisa Okamoto Asmo Co. 1
#20 Takashi Natsume Asmo Co. 1
#20 Seiji Iwahara Yazaki 1
#20 Takahiro Iwaki Yazaki 1
#20 Tomoyuki Fujii Ngk Insulators 1
#20 Yoko Tateishi Asmo Co. 1
#20 Akihiro Utsumi Asmo Co. 1
#20 Akihiro Miwa Yamaha 1
#20 Shinichiro Ito Toyota 1
#20 Tadahiko Kato Univance 1
#20 Takeyuki Hamaguchi Yazaki 1
#20 Kunihiko Satou Yazaki 1