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

Ranked by patent count

Showing 13,951–14,000 of 140,708 inventors

Rank Name Patents Location Company
#13951 Toshihiro Rifu 2 Suwon-si, WI Samsung
#13952 Tor Petterson 2 Lomita, CA Rayovac
#13953 Todd A. Pett 2 Longmont, CO Ball
#13954 Tomotaka Ozeki 2 Toride, JP Hitachi Maxell
#13955 Toru Otsubo 2 Fujisawa, JP Hitachi
#13956 Tohei Ototani 2 Tokyo, JP Metal Research
#13957 Toshio Osada 2 Hitachinaka, JP Nitto Kohki Co.
#13958 Toru Onaka 2 Hiroshima, JP Mazda Motor
#13959 Tomohide Omura 2 Shizuoka, JP Hamamatsu Photonics K.K.
#13960 Toshiharu Okuyama 2 Tokyo, JP Man Design Co.
#13961 Toshimitu Okutu 2 Odawara, JP Fujitsu Limited
#13962 Toyoharu Okumoto 2 Hitachinaka, JP Hitachi
#13963 Toshiro Okamura 2 Tokyo, JP Hitachi Chemical Company
#13964 Toshihide Okamura 2 Nagano, JP Seiko Epson
#13965 Toshiaki Okamoto 2 Okazaki, JP Sanyo Chemical Industries
#13966 Toshihiro Oikawa 2 Tokyo, JP Honda Motor Co.
#13967 Toshimi Ohwatari 2 Ryuo, JP —
#13968 Tomonari Ohtsuki 2 Itabashi, JP Daiichi Denshi Kogyo Kabushiki Kaisha
#13969 Toshio Ohtani 2 Tokushima, JP Taiho Pharmaceutical Co.
#13970 Toshio Ohji 2 Mito, JP Hitachi
#13971 Toshio Ohashi 2 Okaya, JP Nissan Motor Co.
#13972 Toshio Ohara 2 Kariya, JP Nippondenso Co.
#13973 Tomokatsu Oguro 2 Mobara, JP Hitachi
#13974 Toyosaku Ogura 2 Kurobe, JP Ykk
#13975 Tomoyuki Ogura 2 Funabashi, JP Nissan Chemical Industries
#13976 Toru Ogawa 2 Kozushima, JP Mitsubishi Electric
#13977 Toshichika Ogasawara 2 Tokyo, JP Chugai Pharmaceutical
#13978 Toshiaki Oda 2 Tokyo, JP Kowa Company
#13979 Toshi Numata 2 Nagaokakyo, JP Murata Manufacturing Co.
#13980 Tomoji Nukiyama 2 Tokyo, JP Nec
#13981 Tore H. Noren 2 Petaluma, CA The Stero
#13982 Toyosaburo Noguchi 2 Miyazaki, JP —
#13983 Toshiaki Noguchi 2 Yokohama, JP Olympus Optical Co.
#13984 Toshiharu Nogi 2 Hitachi, MI Hitachi
#13985 Toyoichiro Nogami 2 Osaka, JP Showa Aluminum
#13986 Toivo Niskanen 2 Hamina, FI A. Ahlstrom
#13987 Toshinori Nishizawa 2 Mitaka, JP Kabushiki Kaisha Toshiba
#13988 Toshikazu Nishiyama 2 Akashi, JP Hitachi
#13989 Tomio Nishikawa 2 Takatsuki, JP Sumitomo Metal Industries
#13990 Toshihide Nishikawa 2 Higashi Hiroshima, JP Mazda Motor
#13991 Toshio Niihara 2 Ome, JP Hitachi
#13992 Toshiya Natsuhara 2 Takarazuka, JP Konica Minolta
#13993 Toshikazu Narahara 2 Naka, JP Hitachi
#13994 Toshihiko Nara 2 Hitachinaka, JP Hitachi
#13995 Toshiro Nanbu 2 Kobe, JP Kanegafuchi Kagaku Kogyo
#13996 Toshihiko Nakazawa 2 Yokohama, JP Konica
#13997 Tokuji Nakatani 2 Saitama, JP Nippon Kayaku
#13998 Toru Nakao 2 Yokohama, JP Fujifilm
#13999 Toshiyuki Nakao 2 Yokohama, JP Hitachi High-Technologies
#14000 Tomohiro Nakajima 2 Kawasaki, JP Ricoh Company