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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Yaidu, JP ranks #8,426 worldwide for total patents filed all time, with 257 patents from 88 inventors. Leading employers of inventors based in Yaidu, JP include Applied Materials, NTT, Meidensha.

Showing 1–50 of 88 inventors

Rank Inventor Primary Company Patents
1 Akira Okabe Applied Materials 23
2 Kenichi Noguchi NTT 18
3 Toshinori Miura Meidensha 15
#4 Takahisa Iida Sanyo Electric Co. 14
#5 Yutaka Imaizumi NTT 13
#6 Shigeki Fujita Kumiai Chemical Industry Co. 9
#7 Yutaka Mitani Sapporo Breweries Limited 8
#8 Yoshijiro Oyaizu Ihara Chemical Industry Co. 7
#8 Hiroshi Noge Panasonic 7
#8 Youichi Tsuchiya Sanyo Electric Co. 7
#8 Minoru Kamimura Sapporo Breweries Limited 7
#12 Kenji Ohishi Yakult Honsha 6
#12 Masashi Norizuki Minebea Co. 6
#14 Hisao Kuroda Sapporo Breweries Limited 5
#14 Kiyoshi Takoi Sapporo Breweries Limited 5
#16 Masanobu Munekata Hitachi Chemical Company 4
#16 Yoshio Haeda Hitachi 4
#16 Kazuhisa Yasui Sapporo Breweries Limited 4
#19 Yasuo Yoneta Sapporo Breweries Limited 3
#19 Katsuyoshi Moriya Fujitsu Limited 3
#19 Taiju Masuda Sapporo Breweries Limited 3
#19 Shinji Yagihashi Sapporo Breweries Limited 3
#19 Mamoru Yokota Yazaki Industrial Chemical Co. 3
#24 Yosio Haeda Hitachi 2
#24 Hisato Saida Okamura 2
#24 Takeshi Konagaya Daiwa Can 2
#24 Masayuki Izawa Sapporo Breweries Limited 2
#24 Ken NOGUCHI Bosch 2
#24 Tatsuro Shigyo Toyo Boseki Kabushiki Kaisha 2
#24 Kohji Sugihara Toyo Boseki Kabushiki Kaisha 2
#24 Katuya Kawamori Asahitec Co. 2
#24 Hideaki Uchida Mitsubishi Chemical 2
#24 Hideo Maeba Sapporo Breweries Limited 2
#24 Hideo Yoshitaka Yamanouchi Pharmaceutical Co. 2
#24 Yuji Takamoto Toyo Boseki Kabushiki Kaisha 2
#24 Masanori Tanoguchi Epicrew 2
#24 Tomohiko Sugikawa Murakami 2
#24 Daisaku Kurokawa Sapporo Breweries Limited 2
#39 Mitsugu Kobayashi Yamanouchi Pharmaceutical Co. 1
#39 Nobuyasu Enoki Sapporo Breweries Limited 1
#39 Katsura Izaki Mitsubishi Electric 1
#39 Tsuyoshi Konagaya Daiwa Can 1
#39 Dong Dinh Murakami 1
#39 Kazumitsu Nakama Showa Denko 1
#39 Munetaka Hattori Yamanouchi Pharmaceutical Co. 1
#39 Yasuo Yoneda Sapporo Breweries Limited 1
#39 Hirohisa Sahara Sapporo Breweries Limited 1
#39 Shojiro Tsuboi 1
#39 Chieko Oshima Fujitsu Limited 1
#39 Taku Wada Sankyo Holdings Co. 1