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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 5,901–5,950 of 6,779 inventors

Rank Inventor Primary Company Patents
#4343 Hajime Yanagida Nitto Denko 1
#4343 Nobuhiro Sakuma Asahi Fiber Glass Co. 1
#4343 Yasushi Nakahira Nitto Denko 1
#4343 Tomoko Kawamura Hitachi Chemical Dupont Microsystems 1
#4343 Hiruma Tsuyoshi — 1
#4343 Shigekazu Takei Hitachi 1
#4343 Sigenobu Katagiri Hitachi Koki Co. 1
#4343 Tsutomu Tahara — 1
#4343 Noriko Dodo Mitsubishi Gas Chemical Company 1
#4343 Hideatsu Maeda Ministry Of International Trade & Industry 1
#4343 Shigeru Okushima Fuji Kagakushi Kogyo Co. 1
#4343 Tatsuo Katsura Ministry Of International Trade & Industry 1
#4343 Kazumi Yoshimitsu, deceased Hitachi Maxell 1
#4343 Shinichi Fukazawa Hitachi Koki Co. 1
#4343 Syuho Yokokawa Hitachi Koki Co. 1
#4343 Wataru Ootu Hitachi Construction Machinery Co. 1
#4343 Nagatoshi Nogami Sumitomo Chemical 1
#4343 Nobuyasu Matsumura Japan Tobacco 1
#4343 Mitsutoshi Shoji Hitachi Maxell 1
#4343 Chuzabro Motohashi Komori Printing Machinery Co. 1
#4343 Shuuichi Seki Hitachi 1
#4343 Mitsue Hada Unknown 1
#4343 Shigeo Oohashi Hitachi 1
#4343 Noriaki Nakazawa Agency Of Industrial Science And Technology 1
#4343 Takayasu Asai — 1
#4343 Toshikatsu Hakuta Agency Of Industrial Science And Technology 1
#4343 Shigeko Hanari Ryowa 1
#4343 Masami Tsuboshima Research Development Foundation 1
#4343 Yuichi MANAKA National Institute Of Advanced Industrial Science And Technology 1
#4343 Yoshihiro Aiura National Institute Of Advanced Industrial Science And Technology 1
#4343 Akio Anada Hitachi Maxell 1
#4343 Toshiyuki Kusuda Nippon Gohsei Kagaku Kogyo 1
#4343 Norimoto Abe — 1
#4343 Kenzi Kuroki Canon 1
#4343 Hirokazu Kuroda Meiji Seika Pharma Co. 1
#4343 Osamu Shigematsu Canon 1
#4343 Kimiko Yamasawa Kao 1
#4343 Eiji Kashimura Hitachi 1
#4343 Shinichi Homma Smc 1
#4343 Kazumi Yoshimitu Hitachi Maxell 1
#4343 Naruya Kondo — 1
#4343 Fusahiro Kameoka Sumitomo Electric Industries 1
#4343 Junji Akaki Kobayashi Pharmaceutical Co. 1
#4343 Chihiro Oinuma Hitachi Astemo 1
#4343 Hisako Sawata — 1
#4343 Masaya Iwabuchi Jx Advanced Metals 1
#4343 Kazuta Tsukahara Ashimori Industry Co. 1
#4343 Nobuyuki Banba Hitachi 1
#4343 Yasuharu Mutoh Hitachi Cable 1
#4343 Itaru Kozaki Fruit Tree Research Station, Ministry Of Agriculture, Forestry And Fisheries 1

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