Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Okayama, JP ranks #826 worldwide for total patents filed in 2022, with 168 patents from 112 inventors. Leading employers of inventors based in Okayama, JP include Casio Computer Co., Canon, Seiko Epson.

Showing 1–50 of 112 inventors

Rank Inventor Primary Company Patents
1 Yuta Saito Casio Computer Co. 21
2 Koichiro Nishikawa Canon 10
3 Takashi Sera Seiko Epson 6
#4 Michinori Fujisawa Kuraray Co. 4
#5 Takashi Hinotsu Dowa Electronics Materials Co. 3
#6 Hiroki Nakagawa Jsr 2
#6 Akihiro Tai Laimu 2
#6 Tetsuya Ohashi Shin-Etsu Chemical Co. 2
#6 Kazunori Ogawa Teijin Seiki Co. 2
#6 Takashi Teranishi National University Corporation Okayama University 2
#6 Makoto Muranaka Aisin Seiki Kabushiki Kaisha 2
#6 Kenji Takahama Omron 2
#6 Koichiro Isoue Kuraray Co. 2
#6 Yasuhiko Kawamura Mitsubishi Heavy Industries Compressor 2
#6 Ryo Nakae Panasonic 2
#6 Toshio Ariyasu Hayashibara Co. 2
#6 Manabu Togo Kubota 2
#6 Kanji Kawasaki Jtekt 2
#6 Mamiko Naka Omron 2
#6 Kazuhira Izawa Omron 2
#6 Yoshinori Ijiri Omron 2
#6 Tsuyoshi Inoue Savid Therapeutics 2
#23 Hiroyuki Hishida Ihi 1
#23 Kentaro Ohmori Nissan Chemical Industries 1
#23 Yutaka Kosaka Nihon Micronics 1
#23 Yoshihiro Kimata Hamamatsu Photonics K.K. 1
#23 Aiji Ohtsuka Hamamatsu Photonics K.K. 1
#23 Naomichi Bamba Bizen Chemical Co. 1
#23 Toshimichi KUSUNOKI Kuraray Co. 1
#23 Taihei Daiyakuji Yanmar Holdings Co. 1
#23 Kanji Tsuru Kyushu University, National University 1
#23 Fumitomo Kawahara Admap 1
#23 Morimasa Omizu Sekisui Chemical Co. 1
#23 Keigo Nakahata Omron 1
#23 Kazufumi Osaki Omron 1
#23 Junpei Zhang Uchiyama Manufacturing 1
#23 Toshimasa KUSUHARA Alcare Co. 1
#23 Kenshi Nagata Omron 1
#23 Takuo Yamamoto Hayashibara Co. 1
#23 Akiko YASUDA Hayashibara Co. 1
#23 Kunio Doro Panasonic 1
#23 Masato Warita Kuraray Co. 1
#23 Yoshiyuki Ando Kuraray Co. 1
#23 Masahiro Wakayama Eneos 1
#23 Kazuyuki Iwakai Mitsubishi Chemical 1
#23 Kimio Nakayama Kuraray Co. 1
#23 Kazumasa Inoue Kuraray Co. 1
#23 Shuzo Imai Kaneka 1
#23 Tomonori Katsuta 1
#23 Go TAKIKAWA Kanto Denka Kogyo Co. 1