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

Ranked by patent count

Showing 9,201–9,250 of 140,708 inventors

Rank Name Patents Location Company
#9201 Kazuki Wakamatsu 3 Niihama, JP Sumitomo Chemical
#9202 Karl D. Voss 3 Leverkusen, MI General Motors
#9203 Karel Diederick Van Der Mast 3 Helmond, OR Asml Netherlands B.V.
#9204 Kazuo Urata 3 Mori, JP Semiconductor Energy Laboratory
#9205 Kazuyuki Umebayashi 3 Tokyo, JP Aisin Seiki Kabushiki Kaisha
#9206 Kazuyoshi Ueki 3 Wenatchee, WA Hitachi
#9207 Kazuhiro Uehara 3 Kariya, JP Denso
#9208 Kazuhiko Ueda 3 Chofu, JP Sony
#9209 Kaoru Uchiyama 3 Hitachinaka, JP Hitachi
#9210 Kazumichi Uchida 3 Yokohama, JP Nippon Petrochemicals, Co.
#9211 Kazuhiro Tsuruoka 3 Hitachinaka, JP Hitachi
#9212 Kazuhiro Tsukamoto 3 Tokyo, JP Tdk
#9213 Kazuwo Tsuji 3 Itami, JP Sumitomo Electric Industries
#9214 Kamimura Toshio 3 Gifu, JP Teijin Seiki Co.
#9215 Kazushige Toshimitsu 3 Wako, JP Honda Motor Co.
#9216 Kaoru Torikoshi 3 Yokohama, JP —
#9217 Katsumi Torigai 3 Shizuoka, JP Sanshin Industries
#9218 Kaoru Tomii 3 Kawasaki, JP Sumitomo Electric Industries
#9219 Kazuo Tokubo 3 Yokohama, JP Shiseido Company, Limited
#9220 Kandasamy Thangavelu 3 Avon, CT Otis Elevator
#9221 Katsuhide Tanoshima 3 Tokyo, JP Oki Electric Industry Co.
#9222 Kaoru Tamura 3 Tokyo, JP Fujitsu Limited
#9223 Kazuya Tami 3 Chofu, JP Tokyo Juki Industrial Co.
#9224 Katsuyuki Tamai 3 Yokohama, JP Isuzu Motors Limited
#9225 Kazunori Takikawa 3 Numazu, JP Usui Kokusai Sangyo Kaisha Limited
#9226 Kaoru Takebe 3 Toyokawa, JP Minolta
#9227 Kazuya Takano 3 Kamakura, JP Bridgestone
#9228 Kazutoshi Takagi 3 Tokyo, JP Tokyo Kogaku Kikai
#9229 Katsuaki Takagi 3 Kokubunji, JP Hitachi
#9230 Kazuo Takada 3 Chiba, JP Sanyo Electric Co.
#9231 Katsuhiko Taguchi 3 Chofu, JP Juki
#9232 Katsuichi Tachi 3 Kawasaki, JP Sony
#9233 Kazuhiko Suzuki 3 Yokohama, JP Tombow Pencil Co.
#9234 Kazuhiro Sugiyama 3 Minokamo, JP Mitsubishi Electric
#9235 Kazutaka Suefuji 3 Ebina, JP Hitachi
#9236 Kai C. Su 3 Hsinchu, GA Ciba-Geigy
#9237 Katsuhide Shino 3 Nara, JP Sharp Kabushiki Kaisha
#9238 Kazuhiro Shimokawa 3 Yame, JP Daikin Industries
#9239 Kazuo Shiiki 3 Yokohama, JP Hitachi
#9240 Kazuo Shibata 3 Sagamihara, JP Honda Motor Co.
#9241 Kathy B. Sellstrom 3 Austin, TX Chevron
#9242 Karl Seitz 3 Oberwil, CT Ciba-Geigy
#9243 Karl Schepperle 3 Oberkochen, DE Carl Zeiss Stiftung
#9244 Kazuhiro Sato 3 Toyota, JP Sony
#9245 Kazuo Sato 3 Nara, JP Sankyo Holdings Co.
#9246 Katsuyuki Sato 3 Kyoto, JP Hitachi
#9247 Kan Sasaki 3 Toyota, JP Toyota
#9248 Katsumi Sasaki 3 Shisui, JP Fujikura
#9249 Kazuo Sakurai 3 São José dos Campos, BR Hitachi
#9250 Katsumi Sakitani 3 Kawachinagano, JP Daikin Industries