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USPTO Patent Rankings Data through Sept 30, 2025
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Top Inventors 1997

Ranked by patent count

Showing 7,401–7,450 of 185,788 inventors

Rank Name Patents Location Company
#7401 Kazuhisa Kawakami 4 Yokohama, JP Seiko Epson
#7402 Katsuyoshi Iwamatsu 4 Yokohama, JP Meiji Seika Kaisha
#7403 Kazuo Inoue 4 Osaka, JP Honda Motor Co.
#7404 Kazushige Inoue 4 Ibaraki, JP GE
#7405 Kazunobu Imoto 4 Tokyo, JP Dai Nippon Printing Co.
#7406 Kazuo Hirota 4 Tsukuba, JP Eisai
#7407 Kazuhisa Hirono 4 Nagoya, JP Brother Kogyo
#7408 Katsumitsu Himukashi 4 Kasai, JP Mitsubishi Electric
#7409 Kaj Henricson 4 Orivesi, FI A. Ahlstrom
#7410 Karin Hassenruck 4 Düsseldorf, SC Bayer Healthcare
#7411 Kaoru Hashimoto 4 Yamato, JP Fujitsu Limited
#7412 Karl D. Hargrave 4 Durham, NC BOE
#7413 Kazuhiko Hara 4 Shiojiri, JP Seiko Epson
#7414 Karl A. Hansen 4 Seattle, WA The Boeing
#7415 Kazuyoshi Fujioka 4 Tokyo, JP Sharp Kabushiki Kaisha
#7416 Kazuo Fujioka 4 Hiroshima, JP Toda Kogyo
#7417 Katsuhiro Echigo 4 Yokohama, JP Ricoh Company
#7418 Karol Doktor 4 Elmore, AU Financial Systems Technology Pty.
#7419 Kathleen M. Carmichael 4 Williamson, NY Xerox
#7420 Kathy L. Bradley 4 Taylorsville, KY Porcelain Metals Corporation
#7421 Kazuyuki Asakura 4 Joetsu, JP Shin-Etsu Chemical Co.
#7422 Kartar S. Arora 4 Darien, IL Henkel Limited
#7423 Katsuya Arai 4 Agbor, NG Panasonic
#7424 Kazuhiko Amano 4 Tokyo, JP Seiko Epson
#7425 Kazuyuki Aburazaki 4 Tenri, JP Sharp Kabushiki Kaisha
#7426 Jyrki Huovila 4 Jyväskylä, FI Valmet Aktiebolag
#7427 Junji Yamada 4 Sha Tin, CN Mitsubishi Electric
#7428 Jurgen Wolf 4 Schlieben, DE The Braun
#7429 Junichi Takagi 4 Suita, JP Fujitsu Limited
#7430 Junaid Ahmed Siddiqui 4 Richmond, VA Dupont Air Products Nanomaterials
#7431 Jun-Chul Shin 4 Incheon, KR Daewoo Electronics
#7432 Jurgen Schweizer 4 Stuttgart, DE Carl Zeiss Stiftung
#7433 Junichi Sato 4 Tokyo, JP Sony
#7434 Jun Sasaki 4 Kyoto, JP Murata Manufacturing Co.
#7435 Junichirou Sameshima 4 Yokohama, JP —
#7436 Junji Saito 4 Machida, JP Mitsui Chemicals
#7437 Jurg R. Pfister 4 South San Francisco, CA Syntex (U.S.A.)
#7438 Juan Carlos Parodi 4 Kendall, FL Arteria Medical Sciences
#7439 Jun Hyun Park 4 Yongin-si, KR Samsung
#7440 Jun Ohya 4 Hiroshima, JP Sumitomo Electric Industries
#7441 Junichi Ohwada 4 Hitachi, JP Hitachi
#7442 Junichi Nakano 4 Tokyo, OH Olympus Optical Co.
#7443 Judy A. Magruder 4 Palo Alto, CA Alza
#7444 Jun Maeda 4 Kawasaki, JP Fujitsu Limited
#7445 Juergen A. Kortenbach 4 Hialeah, FL Symbiosis
#7446 Jung-wan Ko 4 Yongin-si, NJ Samsung
#7447 Junichi Kimura 4 Koganei, JP Hitachi
#7448 Judith Kerschner 4 Hawthorne, NJ Lever Brothers Company, Division Of Conopco
#7449 Juergen Kaesser 4 Bad Salzdetfurth, DE Blaupunkt-Werke Gmbh
#7450 Jurgen Heidlas 4 Trostberg, DE Skw Trostberg