Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ishikawa, JP ranks #801 worldwide for total patents filed in 2022, with 173 patents from 83 inventors. Leading employers of inventors based in Ishikawa, JP include Panasonic, Nikkiso Co., Kabushiki Kaisha Toshiba.

Showing 1–50 of 83 inventors

Rank Inventor Primary Company Patents
1 Takashi Iwai Panasonic 20
2 Tasuku Ishibashi Panasonic 11
3 Sadaki Futagi Panasonic 8
#4 Yusuke Matsukura Nikkiso Co. 7
#5 Tomofumi Takata Panasonic 6
#6 Hiroaki Katou Kabushiki Kaisha Toshiba 5
#7 Makoto Aoki Canon 4
#7 Tomoya NUNOME Panasonic 4
#7 Tomohumi Takata Panasonic 4
#7 Hideo SAITOU Panasonic 4
#7 Toshifumi Nishiguchi Kabushiki Kaisha Toshiba 4
#7 Yasuhiro Kawai Fujitsu Limited 4
#13 Masaru Fukuoka Panasonic 3
#13 Takuya Kawashima Panasonic 3
#13 Hiroyasu Ichinokura Nikkiso Co. 3
#13 Toshinori MATSUSHIMA Kyushu University, National University 3
#13 Masahiro Asano Denso 3
#18 Saya Shimomura Kabushiki Kaisha Toshiba 2
#18 Hiroyuki Amikawa Panasonic 2
#18 Yusuke Bamba Eizo 2
#18 Mitsuro Takagi Mitsubishi Gas Chemical Company 2
#18 Hiroyuki Uno Panasonic 2
#18 Shota Tonoki Tsudakoma Kogyo 2
#18 Ichiro Sugimoto Jfe Steel 2
#18 Takeshi ATAKA Tsudakoma Kogyo 2
#18 Yusuke Masato 2
#18 Tomoya Hayashi Mitsubishi Power 2
#18 Eiichi Okumura Ricoh Company 2
#29 Hiroyuki Uejima Panasonic 1
#29 Yumiko Kitano Shinko Chemical Co. 1
#29 Takeo Shimasaki Shinko Chemical Co. 1
#29 Takaya Yagyu Kyb 1
#29 Naoaki Hirata Eizo 1
#29 Tomoharu Yachikami Eizo 1
#29 Mineyuki Sekimoto Kaijo 1
#29 Tsuyoshi Morishita Mazda Motor 1
#29 Mikio Koyano Hakusan 1
#29 Yuji Ishino 1
#29 Akinari Matoba Hakusan 1
#29 Yuichi Kashino Panasonic 1
#29 Kyohei Oura Pfu Limited 1
#29 Shingo Kanaya Pfu Limited 1
#29 Hidenori Yamamoto Hitachi 1
#29 Yuji Haruki Eizo 1
#29 Chammingkwan Patchanee Scg Chemicals Co. 1
#29 Itsuro Yamazaki Kaneka 1
#29 Osamu Hanida Kaneka 1
#29 Tokuo Nishi Shibuya Kogyo Co. 1
#29 Shogo Miyano Pfu Limited 1
#29 Kaori Tada Kuraray Noritake Dental 1