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

Ranked by patent count

Showing 9,301–9,350 of 140,708 inventors

Rank Name Patents Location Company
#9301 Kazunari Kobayashi 3 Yokohama, JP Fujitsu Limited
#9302 Katsuhiko Kobayashi 3 Yokohama, JP Topcon
#9303 Kazuhiro Kobayashi 3 Nagano, OH Ricoh Company
#9304 Kazuaki Kira 3 Kobe, JP Kanegafuchi Kagaku Kogyo
#9305 Katsutaka Kimura 3 Sagamihara, JP Hitachi
#9306 Kazuyuki Kazami 3 Tokyo, JP Nikon
#9307 Kazunobu Katoh 3 Odawara, JP Fujitsu Limited
#9308 Kazuo Kato 3 Chiba, GA Hitachi
#9309 Kazuo Kashiwamura 3 Amagasaki, JP Mitsubishi Electric
#9310 Kazuo Karakawa 3 Ibaraki, JP Yamato Kogyo Co.
#9311 Kazutoshi Kaneyuki 3 Himeji, JP Mitsubishi Electric
#9312 Karl J. Kallenberg 3 Richfield, MN Lifetouch National School Studios
#9313 Kazuo Kakinuma 3 Yokohama, JP Nippon Oil & Fats Co.
#9314 Kazuo Kadotani 3 Kashiwara, JP —
#9315 Kazuo Itoh 3 Kasai, JP Itoh Denki Co.
#9316 Kazuhiro Itoh 3 Mishima, JP Toyota
#9317 Kazuhisa Ishiguro 3 Shinagawa, JP Sanyo Electric Co.
#9318 Kazuyoshi Ishiguro 3 Ebeye Mitsubishi Electric
#9319 Kazuhisa Ishibashi 3 Ozu, JP Toyo Seikan Co.
#9320 Katsuhiko Iseki 3 Kamakura, JP Toray Industries
#9321 Kazunori Imamura 3 Tokyo, JP Nippon Kogaku K.K.
#9322 Katsuhiro Imaki 3 Kosai, JP Ono Pharmaceutical Co.
#9323 Katsumi Iida 3 Konan, JP Diesel Kiki Co.
#9324 Katsuhiro Iida 3 Hiratsuka, JP Sharp Kabushiki Kaisha
#9325 Kazuyoshi Iida 3 Iruma, JP Bridgestone
#9326 Kazuo Ichinokawa 3 Tokyo, JP Nec
#9327 Katsumi Ichikawa 3 Akashi, JP Kobe Steel
#9328 Kai Hsu 3 Sugar Land, TX Schlumberger Technology
#9329 Kazunori Hoshi 3 Tokyo, JP Ricoh Company
#9330 Katsutoshi Hisada 3 Tokyo, JP Canon
#9331 Kazutoshi Hirayama 3 Kasai, JP Mitsubishi Electric
#9332 Kazuyoshi Hiraiwa 3 Yokohama, JP Nissan Motor Co.
#9333 Kazuo Higuchi 3 Tokyo, JP Max Co.
#9334 Kazumi Higashi 3 Osaka, JP Nitto Denko
#9335 Katsumi Higashi 3 Higashimatsuyama, JP Asahi Glass Co.
#9336 Kaoru Hashimoto 3 Yamato, JP Fujitsu Limited
#9337 Katsumi Hashimoto 3 Tokyo, MO Dai Nippon Printing Co.
#9338 Katsuhiko Goto 3 Mito, JP Mitsubishi Electric
#9339 Kazuyuki Fukui 3 Tainai, JP Minolta
#9340 Karl Fischer 3 Carlsbad, CA Unknown
#9341 Kate M. Ferriter 3 Atlanta, GA IBM
#9342 Karl Eberle 3 Cadolzburg, DE U.S. Philips
#9343 Kazuo Chiba 3 Tokyo, JP Furukawa Electric Co.
#9344 Karl Brotzmann 3 Amberg, DE Eisenwerk-Gesellschaft Maximillanshutte
#9345 Karl-Hermann Breyer 3 Ingelfingen, DE Carl Zeiss Stiftung
#9346 Kaspar Bott 3 Monsheim, DE Basf Se
#9347 Kazuo Bessho 3 Tobetsu, JP Kanazawa University
#9348 Karl-Heinz Baumann 3 Battenberg, DE Daimler Ag
#9349 Karoly Balogh 3 Miskolc, HU Eszakmagyarorszagi Vegyimuuek
#9350 Kazuo Asano 3 Kobe, JP Sumitomo Rubber Industries