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

Ranked by patent count

Showing 12,151–12,200 of 140,708 inventors

Rank Name Patents Location Company
#12151 Yuji Kano 2 Hitachinaka, JP Hitachi Automotive Systems
#12152 Yuzo Kanazawa 2 Yokohama, JP Ikeda Bussan Co.
#12153 Yukihiko Kameda 2 Kanazawa, JP Takeda Chemical Industries
#12154 Yutaka Kakuishi 2 Yokohama, JP Fujitsu Limited
#12155 Yutaka Kakehi 2 Chiba, JP Canon
#12156 Yutaka Ito 2 Kyoto, WA Hitachi
#12157 Yuji Ito 2 Tokyo, JP Kabushiki Kaisha Toshiba
#12158 Yutaka Isobe 2 Nishinomiya, JP Sony
#12159 Yuji Ishihara 2 Saku, JP Nissan Motor Co.
#12160 Yukio Ishida 2 Yokohama, JP Fujitsu Limited
#12161 Yutaka Inuzuka 2 Toyota, MI Toyota
#12162 Yuji Inada 2 Fuji, JP Alps Electric Co.
#12163 Yuzo Imoto 2 Takasaki, JP Nippondenso Co.
#12164 Yukio Ikeda 2 Tokyo, JP Hitachi
#12165 Yuji Ido 2 Yokohama, JP Kabushiki Kaisha Toshiba
#12166 Yuichi Ide 2 Fuji, JP Kabushiki Kaisha Toshiba
#12167 Yukio Idaka 2 Kadoma, JP Panasonic
#12168 Yu-Tsang G. Hwang 2 Dix Hills, NY —
#12169 Yuuji Honda 2 Chiba, JP Youtec Co.
#12170 Yuzo Hitachi 2 Shizuoka, JP Usui Kokusai Sangyo Kaisha Limited
#12171 Yukio Hishinuma 2 Hitachi, JP Hitachi
#12172 Yuichi Hishi 2 Rifu, JP Alps Electric Co.
#12173 Yusuke Hirose 2 Ichikawa, JP Nisshin Steel Co.
#12174 Yutaka Hirao 2 Toyama, JP Green Cross
#12175 Yuji Higo 2 Nagoya, JP Toyo Soda Manufacturing Co.
#12176 Yuzo Higaki 2 Machida, JP Nisshin Oil Mills
#12177 Yuji Hayakawa 2 Moriyama, JP Panasonic
#12178 Yuichi Harada 2 Matsumoto, JP Fuji Electric Co.
#12179 Yuichi Handa 2 Fuji, JP Denso
#12180 Yukihisa Goto 2 Himeji, JP Daicel Chemical Industries
#12181 Yuri Goldstein 2 Southbury, CT Pctel
#12182 Yuji Furumura 2 Yokohama, JP Philtech
#12183 Yuichi Funahashi 2 Kaavi, FI Toshiba Silicone Co.
#12184 Yukio Fukui 2 Ibaraki, JP Hitachi
#12185 Yujiro Fukuda 2 Tokyo, NY Diafoil Company, Limited
#12186 Yukio Fukayama 2 Hiroshima, JP Babcock-Hitachi
#12187 Yutaka Fujiwara 2 Okazaki, JP Mitsubishi Motors
#12188 Yuji Enomoto 2 Tokyo, JP Hitachi
#12189 Yutaka Ebi 2 Tokyo, JP Ricoh Company
#12190 Yukichi Deguchi 2 Tokyo, JP Toray Industries
#12191 Yuan C. Chu 2 Plainsboro, NJ Caschem
#12192 Yukio Chida 2 Tokyo, JP Mitsubishi Kasei
#12193 Yuan-Ching P. Chiang 2 Piscataway, NJ Merck
#12194 Yu-Ling Cheng 2 Tainan, CA Alza
#12195 Yuehsiung Chang 2 Naperville, IL Amoco
#12196 Yuzaburo Ban 2 Osaka, JP Sumitomo Electric Industries
#12197 Yusaku Azuma 2 Higashimurayama, JP Canon
#12198 Yutaka Arai 2 Kawasaki, JP Canon
#12199 Yuji Aoki 2 Tokyo, JP Seiko Epson
#12200 Yuichiro Akatsuka 2 Tama, JP Olympus Optical Co.