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USPTO Patent Rankings Data through Sept 30, 2025
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Top Inventors 1989

Ranked by patent count

Showing 12,001–12,050 of 140,708 inventors

Rank Name Patents Location Company
#12001 Zdenek Machacek 2 Nanuet, NY Illinois Tool Works
#12002 Zdenek Jandera 2 Bundaberg, AU Commonwealth Of Australia
#12003 Zbigniew Walaszek 2 Columbus, OH University Of Texas System
#12004 Zbigniew Twardowski 2 Burnaby, CA Tenneco Canada
#12005 Zbigniew T. Karwowski 2 Dollard-Des-Ormeaux, CA Nortel Networks Limited
#12006 Zahra A. Rashidbaigi 2 Nutley, NJ Warner-Lambert Company
#12007 Zadson De Almeida Franco 2 Aracaju, BR Petróleo Brasileiro S.A.—Petrobras
#12008 Yves Thenoz 2 Grenoble, FR Thomson-Csf
#12009 Yves Piegay 2 Voiron, FR Skis Rossignol Sa
#12010 Yves Laumond 2 Belfort, FR Alsthom
#12011 Yves Labat 2 Pau, FR Societe Nationale Elf Aquitaine
#12012 Yves Girard 2 Dollard-Des-Ormeaux, CA Merck
#12013 Yves Drutel 2 Brignais, FR Renault Vehicules Industriels
#12014 Yvonick Chevallier 2 Spéracèdes, FR Rhone-Poulenc Chimie
#12015 Yves Chauvin 2 Le Pecq, FR Institut Francais Du Petrole
#12016 Yves Camberlin 2 Caluire, FR Rhone-Poulenc Chimie
#12017 Yves Brunet 2 Gières, FR Alsthom
#12018 Yuval Zur 2 Haifa, CO GE
#12019 Yukitomo Yuhara 2 Amagasaki, JP Yoshida Industry Co.
#12020 Yutaka Yoshino 2 Toyohashi, JP Anritsu
#12021 Yuji Yoshida 2 Rifu, CA Sumitomo Electric Industries
#12022 Yuko Yoneda 2 Rochester, NY University Of Rochester
#12023 Yuji Yatsuda 2 Tokyo, JP Hitachi
#12024 Yukitoshi Yanagida 2 Matsusaka, JP Central Glass Company, Limited
#12025 Yukio Yamauchi 2 Shizuoka, JP Semiconductor Energy Laboratory
#12026 Yushin Yamamoto 2 Minato, JP Toshiba Mitsubishi-Electric Industrial Systems
#12027 Yuichi Yamamoto 2 Yokohama, JP Canon
#12028 Yukiyoshi Yamakoshi 2 Machida, JP Minolta
#12029 Yuji Yamaguchi 2 Okayama, JP Toyota
#12030 Yuzo Yamaguchi 2 Hitachi, JP Hitachi
#12031 Yukio Yamada 2 Hitachinaka, JP Sony
#12032 Yuji Yamada 2 Osaka, JP Sony
#12033 Yuji Yamada 2 Tokushima, MD Taiho Pharmaceutical Co.
#12034 Yukihiro Watase 2 Shizuoka, JP Ihara Chemical Industry Co.
#12035 Yuichi Watanabe 2 Ohara, JP Furukawa Electric Co.
#12036 Yuji Watanabe 2 Yokohama, JP IBM
#12037 Yukihide Ushio 2 Higashi, JP Canon
#12038 Yukinori Ueda 2 Fukui, JP Murata Manufacturing Co.
#12039 Yukimasa Uchida 2 Yokohama, JP Toshiba
#12040 Yukio Uchida 2 Atsugi, JP Unisia Jecs
#12041 Yutaka Tsunemi 2 Suita, JP Takeda Chemical Industries
#12042 Yukihisa Tsumori 2 Kuwana, JP Ntn
#12043 Yuji Tsukamoto 2 Tokyo, MA Nec
#12044 Yukio Tsujimoto 2 Fukui, JP Sumitomo Electric Industries
#12045 Yuh-Geng Tsay 2 San Jose, CA 3M
#12046 Yukio Toyosawa 2 Hachioji, JP Fanuc
#12047 Yutaka Toyooka 2 川北町, JP Mitsubishi Electric
#12048 Yukio Tokunaga 2 Tokyo, JP Mitsubishi Paper Mills Limited
#12049 Yuuichi Tokumoto 2 Yokohama, JP Nippon Petrochemicals, Co.
#12050 Yutaka Teraoka 2 Sagamihara, JP Aisin Aw Co.