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

Ranked by patent count

Showing 12,301–12,350 of 140,708 inventors

Rank Name Patents Location Company
#12301 Yoshikazu Shimosato 2 Yawata, JP Chugai Ro Co.
#12302 Yoshihiro Shimizu 2 Amagasaki, JP Oji Paper Co.
#12303 Youji Shimizu 2 Kyoto, JP Yamada Chemical Co.
#12304 Yoshihiro Shimada 2 Santa Clara, CA Olympus
#12305 Yoshio Shimada 2 Kakogawa, JP Kanegafuchi Kagaku Kogyo
#12306 Yoshiaki Shida 2 Ikoma, JP Sumitomo Metal Industries
#12307 Yoshio Shibata 2 Yokohama, JP Mitsubishi Electric
#12308 Yoichi Shibata 2 Tokyo, JP Mitsubishi Electric
#12309 Yoji Shibata 2 Yokohama, JP Hitachi
#12310 Yosef Y. Shacham 2 Haifa, NY Zoran
#12311 Yoshikazu Sato 2 Nagareyama, JP Honda Motor Co.
#12312 Yoshihisa Sato 2 Saitama, JP Denso
#12313 Yoshitake Sato 2 Suwa, CA Seiko Epson
#12314 Yoshiyuki Sasaki 2 Takatsuki, JP Ricoh Company
#12315 Yoshio Sano 2 Okazaki, JP Nec
#12316 Yoji Sakito 2 Ibaraki, JP Sumitomo Chemical
#12317 Yoshitsugu Sakata 2 Otsu, JP Wako Pure Chemical Industries
#12318 Yoshiro Saji 2 Suita, JP Koatsu Gas Kogyo Co.
#12319 Yoshio Saitou 2 Ome, JP Kabushiki Kaisha Toshiba
#12320 Yokuo Saitoh 2 Yokohama, JP Hitachi
#12321 Yoshitane Saito 2 Kameoka, JP Omron Tateisi Electronics
#12322 Yoshikazu Saito 2 Kawasaki, JP Canon
#12323 Yoshinori Saito 2 Yokohama, JP Toyota
#12324 Yoshiharu Saiki 2 Hachioji, JP Fanuc
#12325 Yoshihiro Saijo 2 Akitakata, JP Shikoku Kakoki Co.
#12326 Yolanda M. Reifein 2 Madison, WI Oscar Mayer Foods
#12327 Yoshio Ozawa 2 Osaka, JP Kabushiki Kaisha Toshiba
#12328 Yoshiaki Ouchi 2 Tokorozawa, JP Kabushiki Kaisha Toshiba
#12329 Yoshifumi Ota 2 Yachimata, JP Nihon Shinku Gijutsu
#12330 Yoshio Ota 2 Gifu, JP Orthorebirth Co.
#12331 Yoichi Osato 2 Yokohama, JP Canon
#12332 Yoshihisa Ooie 2 Osaka, JP Sharp Kabushiki Kaisha
#12333 Yoichi Onodera 2 Hachioji, JP Hitachi Medical
#12334 Yoshihiro Okuno 2 Tokyo, JP Mitsubishi Electric
#12335 Yoshiharu Okumura 2 Kawagoe, JP Toa Nenryo Kogyo
#12336 Yoshiharu Okino 2 Yokohama, JP Fujitsu Limited
#12337 Yoshikazu Okahashi 2 Ikoma, JP Sumitomo Electric Industries
#12338 Yoshihiro Okada 2 Susono, JP Fujifilm
#12339 Yoshimi Okada 2 Tokyo, JP Chiyoda
#12340 Yoshimi Okabe 2 Tokyo, JP Tokyo Electric Power Company Holdings, Incorporated
#12341 Yoshimasa Oiji 2 Shizuoka, JP Kyowa Hakko Kogyo Co.
#12342 Youichi Ohshita 2 Hitachi, JP Hitachi
#12343 Yoshiyuki Ohnuma 2 Kawasaki, JP Kabushiki Kaisha Toshiba
#12344 Yoshio Ohmura 2 Funabashi, JP Kureha Kagaku Kogyo
#12345 Youichi Ohhira 2 Iwaki, JP Kureha Kagaku Kogyo
#12346 Yoshihiko Ohashi 2 Tokyo, JP Tdk
#12347 Yoshinobu Ohashi 2 Nishinomiya, JP The Yokohama Rubber Co.
#12348 Youichi Ogawa 2 Saitama, JP Pioneer Electronic
#12349 Yoshihiro Ogawa 2 Tokyo, JP Canon
#12350 Yoshinori Oana 2 Tokyo, JP Tokyo Kogaku Kikai