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

Ranked by patent count

Showing 8,951–9,000 of 140,708 inventors

Rank Name Patents Location Company
#8951 Kouichi Nagasawa 3 Itami, JP Hitachi
#8952 Koichi Mizushima 3 Kamakura, JP Kabushiki Kaisha Toshiba
#8953 Kousei Mizumoto 3 Saitama, JP Honda Motor Co.
#8954 Kouji Matsushita 3 Toyokawa, JP Minolta Co.
#8955 Koichi Matsushita 3 Yokohama, JP Canon
#8956 Kouichi Mashiko 3 Tokyo, JP Fujikura
#8957 Kouji Maruyama 3 Tokyo, JP Toa Nenryo Kogyo
#8958 Kou-Chang Liu 3 Creve Coeur, MO Isp Investments
#8959 Kock-Yee Law 3 Penfield, NY Xerox
#8960 Kozo Kotani 3 Toyonaka, JP Sumitomo Chemical
#8961 Koichiro Kitamura 3 Takaoka, JP Kitamura Machinery Co.
#8962 Kohei Kimura 3 Saitama, JP Canon
#8963 Koji Kato 3 Yokohama, JP Ricoh Company
#8964 Koji Izawa 3 Yokohama, JP Kabushiki Kaisha Toshiba
#8965 Koichi Ito 3 Yokkaichi, JP Kabushiki Kaisha Toshiba
#8966 Koichiro Ishibashi 3 Warabi, JP Hitachi
#8967 Koji Hayashi 3 Miyoshi, NY Toyota
#8968 Kosei Hata 3 Osaka, JP Seikenkai
#8969 Koichi Hashida 3 Kasai, JP Sumitomo Electric Industries
#8970 Koichi Fukuo 3 Saitama, JP Honda Motor Co.
#8971 Kouichi Etou 3 Toyokawa, JP Minolta
#8972 Konrad Bergmann 3 Neustadt in Sachsen, DE American Standard
#8973 Kouichiro Asao 3 Chiba, JP Sumitomo Chemical
#8974 Ko Aosaki 3 Tokyo, JP Fujitsu Limited
#8975 Konrad Albrecht 3 Kelkheim, DE Hoechst Gmbh
#8976 Koji Akiyama 3 Yamanashi, JP Sumitomo Electric Industries
#8977 Koichi Aizawa 3 Yokohama, JP Panasonic
#8978 Klaus Wunderlich 3 Leverkusen, DE Bayer Healthcare
#8979 Klaus Weber 3 North Canberra, AU Erwin Sick Gmbh Optik-Elektronik
#8980 Klaus von Laar 3 Lauf an der Pegnitz, DE Diehl Gmbh &
#8981 Klaus Theilacker 3 Friedberg, DE Man Roland Druckmaschinen Ag
#8982 Klaus Schumann 3 Neuwied, DE Henkel Kommanditgesellschaft Auf Aktien
#8983 Klaus Schulze 3 Gernrode, DE Mertik Maxitrol Gmbh & Co. Kg
#8984 Klaus Schrader 3 Heidelberg, DE Veb Kombinat Polygraph Werner Lamberz Leipzig
#8985 Klaus D. Schomann 3 Frankfurt, DE Basf Se
#8986 Klaus Schaller 3 Wuppertal, DE Bayer Healthcare
#8987 Klaus Ritter 3 Graz, AT Evg Entwicklungs—U. Verwertungs-Gesellschaft M.B.H.
#8988 Klaus Richter 3 Cologne, DE Huls Aktiengesellschaft
#8989 Klaus Otto 3 Nuremberg, MI Siemens Aktiengesellschaft
#8990 Klaus Niemann 3 Welzheim, DE Veba Oel Ag
#8991 Klaus Marquardt 3 Krailling, DE Wacker Chemie Ag
#8992 Klaus Kohnen 3 Mülheim, DE Krupp Koppers Gmbh
#8993 Klaus P. Kaspar 3 Tutzing, DE BOE
#8994 Klaus Hagemeister 3 Ebenhausen, DE Mtu Motoren-Und Turbinen-Union Mãƒâ¼Nchen Gmbh
#8995 Klaus M. Haeussler 3 Munich, DE Siemens Aktiengesellschaft
#8996 Klaus-Erwin Groeger 3 Hemmingen, DE Robert Bosch Gmbh
#8997 Klaus Ebel 3 Lampertheim, DE Basf Se
#8998 Klaus Claar 3 Sindelfingen, DE Daimler-Benz Ag
#8999 Klaus Birgmeir 3 Munich, DE Agfa-Gevaert Nv
#9000 Klaus Berg 3 Krefeld, DE Agfa-Gevaert Nv