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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 6,701–6,750 of 6,779 inventors

Rank Inventor Primary Company Patents
#4343 Gen Nishizawa Eppendorf Himac Technologies Co. 1
#4343 Sooji Sakata Hitachi 1
#4343 Mamoru Fujida Hitachi 1
#4343 Hiroyuki Fujiuchi Kubota 1
#4343 Yasuo Bessho Ministry Of International Trade & Industry 1
#4343 Hitoshi Akami Ministry Of International Trade & Industry 1
#4343 Humio Tajima Hitachi 1
#4343 Seitaro Hasegawa — 1
#4343 Toshikazu Shimamura Showa Denko 1
#4343 Masami Someya — 1
#4343 Kazuo Iwabuchi Nippon Telegraph And Telephone Public 1
#4343 Mitsuro Hattori Ministry Of International Trade & Industry 1
#4343 Masayuki Kinoshita — 1
#4343 Takuji Nishikawa Sumitomo Electric Industries 1
#4343 Hironori Kadowaki Hitachi 1
#4343 Hideo Takemi Hitachi 1
#4343 Shinso Takeda Doryokuro Kakunenryo Kaihatsu Jigyodan 1
#4343 Hideharu Ishiguro Doryokuro Kakunenryo Kaihatsu Jigyodan 1
#4343 Yukihiro Nomura Doryokuro Kakunenryo Kaihatsu Jigyodan 1
#4343 Kazuaki Harata Ministry Of International Trade & Industry 1
#4343 Shinji Fujiwara Nippon Oil & Fats Co. 1
#4343 Satoshi Shiroza Sekisui Kagaku Kogyo 1
#4343 Kenta HARADA Koki Holdings Co. 1
#4343 Toshihiko Ogasawara Japan Atomic Energy Research Institute 1
#4343 Tsubasa Ueda Nitto Denko 1
#4343 Akito Nakanishi Sumitomo Metal Industries 1
#4343 Hisao Kazama Sumitomo Metal Industries 1
#4343 Katsuhiko Kanari Agency Of Industrial Science & Technology, Ministry Of International Trade & Industry 1
#4343 Kimoto Ryuzo Takeda Chemical Industries 1
#4343 Tooru Osanai Hitachi 1
#4343 Kazuo Nidaira Hitachi 1
#4343 Hirosi Dyama Pentel Kabushiki Kaisha 1
#4343 Keiji Iriyama Ministry Of International Trade & Industry 1
#4343 Masaharu Nishioka Sumitomo Chemical 1
#4343 Heiichi Takei Asahi Fiber Glass Co. 1
#4343 Akinari Uchida Hitachi 1
#4343 Seiichi Tobe Nippon Mektron 1
#4343 Junichi Ooizumi Hitachi 1
#4343 Sawara Ken-Ichi Societe Chimique Des Charbonnages S.A. 1
#4343 Daiji Naito Daikin Kogyo Co, Ltd, 1
#4343 Toyoaki Kimura Japan Atomic Energy Research Institute 1
#4343 Tohru Matoba Japan Atomic Energy Research Institute 1
#4343 Tadato Kudo Hitachi Cable 1
#4343 Hiroyoshi Harada Hitachi Cable 1
#4343 Kikuo Koeda — 1
#4343 Atsushi Kanezaki Hitachi Cable 1
#4343 Makoto Miyagishi National Institute Of Advanced Industrial Science And Technology 1
#4343 Mizuho CHIBA Nitto Denko 1
#4343 Motoya Toyoda Hitachi Koki Co. 1
#4343 Kichio Ohgaki Kyosan Denki Co. 1

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