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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 6,551–6,600 of 6,779 inventors

Rank Inventor Primary Company Patents
#4343 Kiyomi Kikuchi Eisai 1
#4343 Hiroshi Toeda Hitachi 1
#4343 Toshio Kota Komori Printing Machinery Co. 1
#4343 Daisuke Muto Hitachi 1
#4343 Takanori Yoshimiya Sumitomo Chemical 1
#4343 Toshio Onoshita Mitsubishi Kinzoku 1
#4343 Kimiyoshi Uranishi Kanzaki Paper Manufacturing Co. 1
#4343 Yasumasa Todoroki Hitachi 1
#4343 Morio Terakado Asahi Glass Co. 1
#4343 Sinichi Nishiyama Hitachi Cable 1
#4343 Toshihiro Kushibiki Sumitomo Electric Industries 1
#4343 Takashi Kumano Nitto Denko 1
#4343 Haruhiro Ikebe — 1
#4343 Kunio Tateno Upl 1
#4343 Rumiko Seita — 1
#4343 Rikio Ohtani Hitachi Koki Co. 1
#4343 Yoshitaka Kawahara Japan Synthetic Rubber 1
#4343 Hiroyuki Tobori Toyo Tire & Rubber Co. 1
#4343 Takeo Edahiro Nippon Telegraph And Telephone Public 1
#4343 Kenitiro Takahasi Hitachi 1
#4343 Ken'ichi Shimizu Ministry Of International Trade & Industry 1
#4343 Hiroshi Kakisawa Sumitomo Chemical 1
#4343 Hideki Yuri Konica 1
#4343 Naoyuki Kanesaka Kobayashi Pharmaceutical Co. 1
#4343 Juro Kobayashi Hitachi Koki Co. 1
#4343 Hiroo Toya Sumitomo Chemical 1
#4343 Akihiko Kan Asahi Kasei Pharma 1
#4343 Katsushi Imanishi — 1
#4343 Akiomi Kohono Hitachi 1
#4343 Akane Samizo National Institute Of Advanced Industrial Science And Technology 1
#4343 Aya Morishima Hitachi Maxell 1
#4343 Eiko Yanagi Riso Kagaku 1
#4343 Masaaki Isono Hitachi 1
#4343 Yoshinori Nakawawa Agency Of Industrial Science & Technology, Ministry Of International Trade & Industry 1
#4343 Harumasa Okamoto Mitsubishi Pencil Company, Limited 1
#4343 Yusho Maue Hitachi 1
#4343 Nobuko Kubota Riso Kagaku 1
#4343 Tsukasa Hiruta Hitachi Cable 1
#4343 Yoshihiko Shinoda Japan Nuclear Cycle Development Institute 1
#4343 Kensaku Mizoguchi Ministry Of International Trade & Industry 1
#4343 Eiji Omura — 1
#4343 Hisaaki Ohyoshi Komori Printing Machinery Co. 1
#4343 Haruki Ryoken National Institute For Materials Science 1
#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

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