Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ishikawa, JP ranks #882 worldwide for total patents filed in 2021, with 167 patents from 77 inventors. Leading employers of inventors based in Ishikawa, JP include Panasonic, Kabushiki Kaisha Toshiba, Canon.

Showing 1–50 of 77 inventors

Rank Inventor Primary Company Patents
1 Takashi Iwai Panasonic 24
2 Tasuku Ishibashi Panasonic 14
3 Tomohumi Takata Panasonic 12
#4 Sadaki Futagi Panasonic 6
#5 Hiroaki Katou Kabushiki Kaisha Toshiba 5
#5 Makoto Aoki Canon 5
#7 Masahiro Asano Denso 4
#7 Tomofumi Takata Panasonic 4
#9 Yusuke Matsukura Nikkiso Co. 3
#9 Yuichi Futa Panasonic 3
#9 Masaru Fukuoka Panasonic 3
#9 Toshifumi Nishiguchi Kabushiki Kaisha Toshiba 3
#9 Hideo SAITOU Panasonic 3
#14 Nobuhiro Torii Nikkiso Co. 2
#14 Yasuhiro Kawai Fujitsu Limited 2
#14 Masaaki Eda Shibuya 2
#14 Katsunori Tanikawa Shibuya 2
#14 Kyoichi Suguro Kabushiki Kaisha Toshiba 2
#14 Yukinobu Nishino Shibuya Kogyo Co. 2
#14 Takuya Kawashima Panasonic 2
#14 Masahiro Shimura Kabushiki Kaisha Toshiba 2
#14 Kiyoto Kosaka Pfu Limited 2
#14 Norio Tokuda National Institute Of Advanced Industrial Science And Technology 2
#14 Masaya Takamori Pfu Limited 2
#14 Shunsuke Nitta Kabushiki Kaisha Toshiba 2
#14 Hidenori Yamamoto Hitachi 2
#14 Saya Shimomura Kabushiki Kaisha Toshiba 2
#28 Ichikawa Katsuhiro 1
#28 Yuto Utsunomiya Kaneka 1
#28 Kazuhiro FUKADA Japan Advanced Institute Of Science And Technology 1
#28 Nobuyuki Nakai Central Glass Company, Limited 1
#28 Honami NODA 1
#28 Shunya Ota Shibuya 1
#28 Kengo Ikeda Shibuya 1
#28 Toru Awazu Takai Tofu & Soymilk Equipment 1
#28 Soma Watanabe Shibuya Kogyo Co. 1
#28 Hiroki KIUCHI Nikkiso Co. 1
#28 Hidenori KONAGAYOSHI Nikkiso Co. 1
#28 Yuichi Kashino Panasonic 1
#28 Koji Kaya Shibuya 1
#28 Shingo Kanaya Pfu Limited 1
#28 Takao Inokuma National Institute Of Advanced Industrial Science And Technology 1
#28 Taro Kitayama Shibuya 1
#28 Kotaro Zaima Kabushiki Kaisha Toshiba 1
#28 Mitsuro Takagi Mitsubishi Gas Chemical Company 1
#28 Tomomi Nishikata Panasonic 1
#28 Ryou Matsuura Pfu Limited 1
#28 Toshiyuki Ueno National University Corporation Kagawa University 1
#28 Tsubasa Matsumoto National University Corporation Kagawa University 1
#28 Tomoya Matsushima Kaneka 1