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USPTO Patent Rankings Data through Sept 30, 2025
Home › Cities › Ibaraki, JP

Ibaraki, JP All Time

41,888 patents  ·  6,779 inventors

Ranked #138 of 111,555 cities Top 1%

Showing 6,651–6,700 of 6,779 inventors

Rank Inventor Primary Company Patents
#4343 Akio Takokoro Hitachi 1
#4343 Masahiro Okaji Agency Of Industrial Science & Technology, Ministry Of International Trade & Industry 1
#4343 Shirou Hayashi Showa Denko 1
#4343 Hirona Tanaka Hitachi Astemo 1
#4343 Youhei Takanohashi Sekisui Chemical Co. 1
#4343 Yoshinobu Nagashima Shin-Etsu Chemical Co. 1
#4343 Toshihiri Yamada Hitachi 1
#4343 Manabu Katahira — 1
#4343 Yoshiko OGINO Nitto Denko 1
#4343 Yuto Yamauchi Suntory Holdings Limited 1
#4343 Yoshihiko Oue Sumitomo Chemical 1
#4343 Eiji Sakata Shiseido Company, Limited 1
#4343 Miki Kasano Ono Pharmaceutical Co. 1
#4343 Yashio Bando National Institute For Materials Science 1
#4343 Mamoru Awano Showa Highpolymer Co. 1
#4343 Mayumi Tsuboi Mitsubishi Petrochemical Company Limited 1
#4343 Akiko Fujishima Mitsubishi Petrochemical Company Limited 1
#4343 Makio Sakano Omron Tateisi Electronics 1
#4343 Kenitiro Takahashi Hitachi 1
#4343 Shu Shirato Hitachi Construction Machinery Co. 1
#4343 Shouhei Chida Osaka Bosui Construction Co. 1
#4343 Takuya Gombuchi Bayer Cropscience 1
#4343 Akihiko Kosaka Araya Industrial Co. 1
#4343 Miwa Fukuichi — 1
#4343 Haraku Itadani Banyu Pharmaceutical Co. 1
#4343 Ryousuke Kushikibi Tanaka Kikinzoku Kogyo K.K. 1
#4343 Hiroaki Tsukada Hitachi Cable 1
#4343 Mutsuyoshi Matsumoto Director-General Of Agency Of Industrial Science And Technology 1
#4343 Kohichiro Hohsai Nissin Shokuhin Kabushiki Kaisha 1
#4343 Kenzo Tachibana Sumitomo Metal Industries 1
#4343 Yaichi Watanabe — 1
#4343 Kazuyoshi Aoi Ministry Of International Trade & Industry 1
#4343 Masami Nemoto Hitachi 1
#4343 Kazuyori Doi Hitachi 1
#4343 Shoji Kuma Hitachi Cable 1
#4343 Hisanari Shirai Hitachi Cable 1
#4343 Nobuo Satoh Japan Synthetic Rubber 1
#4343 Toshio Arao Japan Synthetic Rubber 1
#4343 Yoshiomi Okuno Green Cross 1
#4343 Tadahiko Ito Japan Synthetic Rubber 1
#4343 Toshimasa Ikishima — 1
#4343 Takaaki Ohkubo Hitachi Shipbuilding & Engineering Company Limited 1
#4343 Masami Masubuchi Osaka University 1
#4343 Tohru Sawada Eisai 1
#4343 Tomonari Kamada Tanaka Kikinzoku Kogyo K.K. 1
#4343 Takehiko Hidaka Ministry Of International Trade & Industry 1
#4343 Tomofumi Tochigi Autoliv Development Ab 1
#4343 Kichitaro Shinozaki Ministry Of International Trade & Industry 1
#4343 Kyosuke Nomoto Suntory Holdings Limited 1
#4343 Yuko Harada Daikin Kogyo Co, Ltd, 1

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