Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ishikawa, JP ranks #572 worldwide for total patents filed in 2016, with 218 patents from 88 inventors. Leading employers of inventors based in Ishikawa, JP include Panasonic, Kabushiki Kaisha Toshiba, Hitachi.

Showing 1–50 of 88 inventors

Rank Inventor Primary Company Patents
1 Takashi Iwai Panasonic 30
2 Hiroshi Katsuno Kabushiki Kaisha Toshiba 16
3 Sadaki Futagi Panasonic 14
#4 Masaru Fukuoka Panasonic 10
#5 Tomofumi Takata Panasonic 8
#6 Yuichi Futa Panasonic 7
#7 Yoshio Sakai Hitachi 6
#8 Shuichi Kaneko Compagnie Generale Des Etablissements Michelin 4
#8 Masashi Nakao Eizo 4
#8 Takuya Kawashima Panasonic 4
#8 Yasunobu Saito Kabushiki Kaisha Toshiba 4
#8 Masao Honda Fujitsu Limited 4
#13 Kei Murayama Shinko Electric Industries Co. 3
#13 Taro Yamashita Japan Science And Technology Agency 3
#13 Yasunari Itoh Pfu Limited 3
#13 Keiko Ogawa Konica 3
#13 Hiroyuki Uejima Panasonic 3
#13 Masanari Takabatake Pfu Limited 3
#13 Masato Kesho Japan Display 3
#20 Tatsuya Uemachi Nikon 2
#20 Kiyoto Kosaka Pfu Limited 2
#20 Shunji Taniuchi Kabushiki Kaisha Toshiba 2
#20 Saya Shimomura Kabushiki Kaisha Toshiba 2
#20 Masakazu Terao Ricoh Company 2
#20 Masaya Takamori Pfu Limited 2
#20 Yuichi Kashino Panasonic 2
#20 Masahiro Asano Denso 2
#20 Shingo Kanaya Pfu Limited 2
#20 Hiroyuki Amikawa Panasonic 2
#20 Masamune Takano Kabushiki Kaisha Toshiba 2
#20 Takanori Hirobe Panasonic 2
#20 Hiroyuki Uno Panasonic 2
#20 Kiyoaki Hashimoto Tessera 2
#20 Toshiyuki Ueno National University Corporation Kagawa University 2
#20 Yasuhiro Kawai Fujitsu Limited 2
#20 Hiroyuki Kanaya Kabushiki Kaisha Toshiba 2
#37 Hidekazu Hogo Eizo 1
#37 Shuhei Miyanaga Eizo 1
#37 Shigeyoshi KANOH National University Corporation Kagawa University 1
#37 Kunio Tsuda Kabushiki Kaisha Toshiba 1
#37 Haruka Fukushima Pfu Limited 1
#37 Kyoichi Suguro Kabushiki Kaisha Toshiba 1
#37 Reo Abe Eizo 1
#37 Masashi Nishikawa Daido Kogyo Co. 1
#37 Haruo Takabayashi Japan Advanced Institute Of Science And Technology 1
#37 Kazuo Shima Nec 1
#37 Akira Yokogawa Japan Display 1
#37 Kentaro Kojima Eizo 1
#37 Tooru Miura Panasonic 1
#37 Toshifumi Nishiguchi Kabushiki Kaisha Toshiba 1