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

Ranked by patent count

Showing 8,051–8,100 of 140,708 inventors

Rank Name Patents Location Company
#8051 Ottfried Schlak 3 Leverkusen, DE Bayer Healthcare
#8052 Otto Heinemann 3 Ennigerloh, DE Krupp Polysius Ag
#8053 Otto Braach 3 Heiligenhaus, DE Hochtief Aktiengesellschaft Vorm. Gebr. Helfmann
#8054 Osamu Yamada 3 Toyohashi, JP Canon
#8055 Osamu Takahashi 3 Takasaki, TX Fujitsu Limited
#8056 Osamu Shindo 3 Kawasaki, JP Tdk
#8057 Osamu Shimizu 3 Tokyo, JP Fujitsu Limited
#8058 Oskar Schatz 3 Planegg, DE Schatz Thermo Gastech Gmbh
#8059 Osamu Sato 3 Shizuoka, JP Canon
#8060 Oskar Noe 3 Mülheim an der Ruhr, DE Bwg Bergwerk—Und Walzwerk—Maschinenbau Gmbh
#8061 Osamu Nakaguchi 3 Toyonaka, JP Fujisawa Pharmaceutical Co.
#8062 Osamu Koyama 3 Matsumoto, JP Canon
#8063 Oskar Kowarik 3 Grafing, DE Siemens Aktiengesellschaft
#8064 Osamu Koshinaka 3 Izumi, JP Maruzen Sewing Machine Co.
#8065 Osamu Kawasaki 3 Toyama, JP Sumitomo Electric Industries
#8066 Osamu Kano 3 Nagaokakyo, JP Murata Manufacturing Co.
#8067 Osami Kamigaito 3 Nagoya, JP Toyota Central R&D Labs
#8068 Osamu Inagoya 3 Ibaraki, JP Hitachi Maxell
#8069 Osamu Hoshino 3 Nagano, JP Canon
#8070 Osamu Hayaishi 3 Kyoto, JP Research Development Corporation Of Japan
#8071 Oscar M. Grace 3 Madison Heights, MI Basf Se
#8072 Oswald Gasser 3 Hanerau-Hademarschen, DE Espe Stiftung & Co. Produktions-Und Vertriebs Kg
#8073 Oswald Bayer 3 Aidhausen, DE Fag Kugelfischer Georg Shäfer Ag
#8074 Osamu Asano 3 Chiba, JP Nitto Kohki Co.
#8075 Oren Frankel 3 Ocean Township, NJ AT&T
#8076 On K. Chang 3 San Jose, CA Valence Technology
#8077 Omar M. Boutni 3 Greenwood, IN GE
#8078 Olaf B. Raiskums 3 Milton, CA Rainbow Star Licensing, S.A.
#8079 Oliver Laing 3 Herrenberg, CA Itt Manufacturing Enterprises
#8080 Oleh Kutowy 3 North Gower, CA National Research Council Of Canada
#8081 Olindo Baruffa 3 Thônex, CH Mefina Sa
#8082 Okitsugu Nakata 3 Yokohama, JP Shiseido Company, Limited
#8083 Odd Kristiansen 3 Möhlin, CH Ciba-Geigy
#8084 O. William Lever, Jr. 3 Skillman, NJ Bausch & Lomb Incorporated
#8085 Norbert Zeller 3 Burghausen, DE Wacker Chemie Ag
#8086 Nobuo Yoshino 3 Utsunomiya, JP Nihon Metal Gasket Co.
#8087 Nozomi Yasuda 3 Tokyo, JP Asahi Denka Kogyo
#8088 Norimasa Yamaya 3 Yokohama, JP Mitsui Toatsu Chemicals, Incorporated
#8089 Nobuyuki Yamaguchi 3 Saga, JP Daiwa Seiko Co.
#8090 Nobuo Yamada 3 Kariya, JP Nihon Technica Co.
#8091 Nobutoshi Yamada 3 Moriyama, JP Ishihara Sangyo Kaisha
#8092 Norbert Wingerath 3 Munich, DE Siemens Aktiengesellschaft
#8093 Noboru Usui 3 Ueda, JP Sanyo Electric Co.
#8094 Nobuo Tsuno 3 Kasugai, JP Ngk Insulators
#8095 Nobuaki Tsuji 3 Hamamatsu, JP Yamaha
#8096 Noboru Tsuboi 3 Kakogawa, JP Kobe Steel
#8097 Nobuyoshi Tsuboi 3 Ibaraki, JP Hitachi
#8098 Nozomu Torii 3 Hekinan, JP Aisin Seiki Kabushiki Kaisha
#8099 Norikazu Tokunaga 3 Hitachi, JP Hitachi
#8100 Noboru Tohyama 3 Tokyo, JP Canon