Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Takaoka, JP ranks #4,185 worldwide for total patents filed all time, with 673 patents from 188 inventors. Leading employers of inventors based in Takaoka, JP include Kitamura Machinery Co., Kabushiki Kaisha Toshiba, Mitsubishi Electric.

Showing 1–50 of 188 inventors

Rank Inventor Primary Company Patents
1 Koichiro Kitamura Kitamura Machinery Co. 42
2 Masaru Ando Kabushiki Kaisha Toshiba 29
3 Kazuo Yoshioka Mitsubishi Electric 26
#4 Shunsuke Yamanaka Zeon 24
#5 Hidekazu Wada Murata Manufacturing Co. 23
#6 Shinji Kita 18
#7 Hiroshi Sakai Toyama Chemical Co. 17
#7 Shiro Tsubokura Nippon Soda Co. 17
#7 Tadahiro Kondo Aida Engineering 17
#10 Satoshi Awata Sharp Kabushiki Kaisha 13
#10 Kenji Yonezawa Toyama Chemical Co. 13
#10 Chosaku Yoshida Toyama Chemical Co. 13
#13 Hiroshi Sumiya Brother Kogyo 12
#14 Toshiyuki Nishimori Sumitomo Electric Industries 11
#15 Kazuya Hirota Rinnai 9
#15 Taro Kiyoto Toyama Chemical Co. 9
#15 Katsumi Tanino Toyama Prefecture 9
#15 Kazushi Iwata Fuji Yakuhin Kogyo Kabushiki Kaisha 9
#19 Koichi Kutose Nippon Soda Co. 8
#19 Noboru Iwakami Toyama Chemical Co. 8
#19 Kin-ichi Okumura Nippon Zeon Co. 8
#22 Keiji Sakamoto Daiichi Fine Chemical Co. 7
#23 Ikuo Tochizawa Nippon Paint Holdings Co. 6
#23 Tomoaki Futakuchi Murata Manufacturing Co. 6
#23 Yurika Kadoi Canon 6
#23 Yoshinori Konishi Toyama Chemical Co. 6
#23 Toru Asada Aisin Seiki Kabushiki Kaisha 6
#28 Kiyoharu Michimae Unknown 5
#28 Noriaki Murata Fujitsu Limited 5
#28 Tsutomu Imagawa Nippon Soda Co. 5
#28 Nobuaki Yoneyama Nippon Zeon Co. 5
#28 Yoichi Taniguchi Toyama Chemical Co. 5
#28 Eitora Yamamura Kyowa Hakko Bio Co. 5
#28 Noritsugu Hashimoto Hitachi Maxell 5
#35 Koichi Wada Fuji Yakuhin Kogyo Kabushiki Kaisha 4
#35 Yuso Kanehira Metals Engineering Kabushiki Kaisha 4
#35 Akira Shinagawa Fuji Yakuhin Kogyo Kabushiki Kaisha 4
#35 Ryoichi Shimizugawa Japan Metals & Chemicals Co. 4
#35 Masaaki Nishina Nippon Zeon Co. 4
#35 Hironobu Hasebe Hokuriku Electric Industry Co. 4
#35 Emi Kanazaki Sumitomo Electric Industries 4
#35 Masaharu Nakano Daiichi Pharmaceutical Co. 4
#35 Atsushi Nakamura 4
#35 Hajime Ito Ajinomoto Co. 4
#35 Kouichi Shimomura Metals Engineering Kabushiki Kaisha 4
#35 Taizou Kimura Daikin Industries 4
#47 Hidetada Mikami Toyama Chemical Co. 3
#47 Shinya Fukuhara Nippon Soda Co. 3
#47 Eriko Nukui Fuji Yakuhin Kogyo Kabushiki Kaisha 3
#47 Kazuya Tsuzaki Daiichi Fine Chemical Co. 3