Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Home › Inventors

Top Inventors 1989

Ranked by patent count

Showing 13,851–13,900 of 140,708 inventors

Rank Name Patents Location Company
#13851 Toshinao Usui 2 Gifu, JP Sanwa Kagaku Kenkyusho Co.
#13852 Toshio Umino 2 Yokohama, JP Canon
#13853 Tomokazu Umezaki 2 Himeji, JP Mitsubishi Electric
#13854 Toshihiko Umaba 2 Takaishi, JP Dainippon Ink And Chemicals
#13855 Toru Ueki 2 Yokohama, JP Mitsui Toatsu Chemicals, Incorporated
#13856 Toshiaki Uchida 2 Hitachinaka, JP Hitachi Koki Co.
#13857 Tomio Uchida 2 Ebetsu, JP Sanyo Electric Co.
#13858 Tokuichi Tsunekawa 2 Yokohama, JP Canon
#13859 Tokuhiro Tsukiyama 2 Yokohama, JP Hitachi
#13860 Tokio Tsukada 2 Matsusaka, JP Central Glass Company, Limited
#13861 Toshiaki Tsuji 2 Saitama, JP Sumitomo Electric Industries
#13862 Toshio Tsuchiya 2 Tokyo, JP Disco
#13863 Torence J. Trout 2 Wilmington, DE E.I. Du Pont De Nemours And
#13864 Toshio Tomite 2 Hitachinaka, JP Hitachi
#13865 Toru Tojo 2 Yamato, JP Kabushiki Kaisha Toshiba
#13866 Tom Thinesen 2 Sunnyvale, CA Timex
#13867 Toshiyasu Terui 2 Iwata, JP Yamaha Motor
#13868 Toru Tatsuzaki 2 Funabashi, JP Hitachi
#13869 Toshio Tatsuoka 2 Kasai, JP Suntory Holdings Limited
#13870 Tokuo Tatsuda 2 Niihama, JP Sumitomo Naugatuck Co.
#13871 Tomohiko Taniguchi 2 Tokyo, CA Fujitsu Limited
#13872 Toshiyuki Tanaka 2 Tokyo, NJ Sharp Kabushiki Kaisha
#13873 Toru Tanaka 2 Kumamoto, TX Hitachi
#13874 Toshio Tanaka 2 Osaka, MI Seiko Epson
#13875 Toshihiro Tanaka 2 Tokyo, JP Hitachi
#13876 Tooru Tanahashi 2 Gifu, JP Mitsubishi Electric
#13877 Toshiyuki Tamura 2 Tokyo, JP Nec
#13878 Toru Tamura 2 Ebeye Aisin Seiki Kabushiki Kaisha
#13879 Toshio Tamamura 2 Hachioji, JP —
#13880 Toyokazu Takubo 2 Chiba, JP Idemitsu Petrochemical Co.
#13881 Toshimitsu Takizawa 2 Tachikawa, JP Kabushiki Kaisha Toshiba
#13882 Toshiki Takizawa 2 Kodaira, JP Bridgestone
#13883 Toru Takeuchi 2 Machida, JP Asahi Seiko Co.
#13884 Toyoaki Takeuchi 2 Tokyo, JP Olympus Optical Co.
#13885 Toichi Takenaka 2 Tokyo, JP Yamanouchi Pharmaceutical Co.
#13886 Toyoki Takemoto 2 Kitakyushu, JP Sumitomo Electric Industries
#13887 Tohru Takekoshi 2 Scotia, NY GE
#13888 Tomoaki Takekoshi 2 Shizuoka, JP Fujitsu Limited
#13889 Toshihiro Takei 2 Kariya, JP Nippondenso Co.
#13890 Toshio Takei 2 Yokohama, JP Dainippon Ink And Chemicals
#13891 Toyohiko Takeda 2 Kasai, JP Shionogi & Co.
#13892 Toru Takeda 2 Chiyoda, JP Sony
#13893 Toshio Takayama 2 Yokohama, JP Tokico
#13894 Toshihiko Takaya 2 Yokohama, JP Sharp Kabushiki Kaisha
#13895 Toshimasa Takata 2 Ichihara, JP Mitsui Petrochemical Industries
#13896 Toshihiko Takakura 2 Koganei, JP Rohm Co.
#13897 Tomoaki Takahashi 2 Yokohama, JP Seiko Epson
#13898 Toshio Takahashi 2 Rancho Palos Verdes, CA International Rectifier
#13899 Tokihiro Takahashi 2 Saitama, JP Pioneer Electronic
#13900 Toshio Takago 2 Annaka City, JP —