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

Ranked by patent count

Showing 12,201–12,250 of 140,708 inventors

Rank Name Patents Location Company
#12201 Yukiyoshi Ajisawa 2 Okaya, JP Kissei Pharmaceutical Co.
#12202 Yoshiyuki Zama 2 Nagareyama, JP Kaken Pharmaceutical Co.
#12203 Yoshihito Yoshizawa 2 Mishima, JP Hitachi
#12204 You Yoshitoshi 2 Tokyo, JP Sony
#12205 Yoshimi Yoshino 2 Inuyama, JP Nippondenso Co.
#12206 Yoshikazu Yoshimoto 2 Tenri, JP Sharp Kabushiki Kaisha
#12207 Yozo Yoshida 2 Hiratsuka, JP Mitsubishi Gas Chemical Company
#12208 Yoshinori Yoshida 2 Kyoto, JP Kyoto University
#12209 Yoshihide Yoneda 2 Hirakata, JP Maruzen Sewing Machine Co.
#12210 Yoshiaki Yazawa 2 Hitachi, JP Hitachi
#12211 Yoshiyuki Yazawa 2 Kawasaki, JP Ajinomoto Co.
#12212 Yoshiaki Yato 2 Mitaka, JP Fujitsu Limited
#12213 Yoshinari Yasui 2 Ebina, JP Canon
#12214 Yoshiyuki Yasui 2 Nagoya, CA Advics Co.
#12215 Yoshihiko Yamazaki 2 Kashiwa, JP Kokusai Denshin Denwa Co.
#12216 Yoshihiko Yamauchi 2 Ebeye Ikeda Bussan Co.
#12217 Yoshikiyo Yamasaki 2 Osaka, JP Kabushiki Kaisha Fuji Iryoki
#12218 Yoshinori Yamanoi 2 Saitama, JP Honda Motor Co.
#12219 Yoshiharu Yamamoto 2 Toyama, JP Sumitomo Electric Industries
#12220 Yoichi Yamamoto 2 Osaka, MI Sharp Kabushiki Kaisha
#12221 Yoshiaki Yamamoto 2 Nagano, CA Semiconductor Energy Laboratory
#12222 Yoshio Yamamoto 2 Chiyoda, JP Honda Motor Co.
#12223 Yoshiya Yamahira 2 Osaka, JP Sumitomo Chemical
#12224 Yoshihiro Yamaguchi 2 Yokohama, NJ Kabushiki Kaisha Toshiba
#12225 Yoshinori Yamaguchi 2 Yokohama, JP —
#12226 Yoichi Yamaguchi 2 Gotenba, JP Toshiba Tec Kabushiki Kaisha
#12227 Youji Yamagishi 2 Tokyo, JP Eisai
#12228 Yoshihiro Yamada 2 Kozushima, JP Shimadzu
#12229 Youichi Yamada 2 Tokyo, JP Pioneer
#12230 Yoshitaka Yamada 2 Osaka, JP Konica
#12231 Yoshio Yabuhara 2 Tokushima, JP Otsuka Kagaku Kabushiki Kaisya
#12232 Yoshie Watari 2 Osaka, JP Panasonic
#12233 Yohji Watanabe 2 Kawasaki, NY Kabushiki Kaisha Toshiba
#12234 Yoshihiko Watanabe 2 Susono, JP Canon
#12235 Yoshiharu Waku 2 Ube, JP Ube Industries
#12236 Yoshio Wakatsuki 2 Tokyo, JP Man Design Co.
#12237 Yordan Vulich 2 Oak Lawn, IL Ait Industries
#12238 Yoichi Uosaki 2 Machida, JP Kyowa Hakko Kogyo Co.
#12239 Yoshio Umeda 2 Kasai, JP Panasonic
#12240 Yoshiji Ueyama 2 Kasai, JP Mitsubishi Electric
#12241 Youichi Ueda 2 Kawasaki, JP Sumitomo Chemical
#12242 Yoshihiro Ueda 2 Yokohama, GA Kabushiki Kaisha Toshiba
#12243 Yoshinobu Ueba 2 Osaka, JP Sumitomo Electric Industries
#12244 Yoshio Udagawa 2 Tokyo, JP Blue Box Toy Factory Limited
#12245 Yoshitsugu Tsutsumi 2 Ibaraki, JP Hitachi
#12246 Yoshikazu Tsuru 2 Hirakata, JP Sumitomo Electric Industries
#12247 Yoshikazu Tsujino 2 Sakai, JP Sanyo Electric Co.
#12248 Yoshiharu Tsujimoto 2 Suita, JP Sharp Kabushiki Kaisha
#12249 Yoshiaki Tsuda 2 Tokyo, JP Mitsubishi Electric
#12250 Yoshiaki Tsuchihashi 2 Kokubunji, JP Hitachi