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

Ranked by patent count

Showing 8,501–8,550 of 140,708 inventors

Rank Name Patents Location Company
#8501 Mario Slongo 3 Tafers, CH Ciba-Geigy
#8502 Marvin Siegel 3 Great Neck, NY Schering
#8503 Makoto Shizukuishi 3 Sendai, CA Fujitsu Limited
#8504 Masaharu Shiroyama 3 Fukuoka, JP Nippon Tungsten Co.
#8505 Masao Shiroshita 3 Takarazuka, JP Sumitomo Chemical
#8506 Masayori Shinohara 3 Saitama, JP Pioneer Electronic
#8507 Masaaki Shin 3 Yokohama, JP Mitsui Toatsu Chemicals, Incorporated
#8508 Masashi Shimosato 3 Shizuoka, JP Toshiba Tec Kabushiki Kaisha
#8509 Masaki Shimoda 3 Itami, JP Mitsubishi Electric
#8510 Masami Shimizu 3 Tokyo, JP Canon
#8511 Mamoru Shimamoto 3 Nagoya, JP Nippondenso Co.
#8512 Masaru Shimada 3 Osaka, JP Ricoh Company
#8513 Masatomo Shigeta 3 Ichihara, JP Kureha Kagaku Kogyo
#8514 Masayuki Shigematsu 3 Yokohama, JP Sumitomo Electric Industries
#8515 Masaru Shibata 3 Yokohama, JP Sumitomo Bakelite Co.
#8516 Makoto Senoh 3 Ibaraki, JP Hitachi
#8517 Makoto Sekiya 3 Kawasaki, NJ Minolta
#8518 Makoto Sekine 3 Yokohama, JP Kabushiki Kaisha Toshiba
#8519 Marc Segre 3 Rhinebeck, NY IBM
#8520 Mark J. Sebastian 3 Plainfield, NJ Hoffmann-La Roche
#8521 Manfred Schuierer 3 Michelstadt, DE Bruckner Apparatebau Gmbh
#8522 Mark A. Schnatzmeyer 3 Lewisville, TX Otis Engineering
#8523 Marcia S. Schlesinger 3 Middlesex, NJ Amerimas Home Products
#8524 Mario A. Scarati 3 Milano, IT Montedison S.P.A.
#8525 Masataka Sawamura 3 Hino, JP Konishiroku Photo Industry Co.
#8526 Manfred Sauerwald 3 Bad Dürkheim, DE Basf Se
#8527 Masahiko Sato 3 Adumino, IN Hitachi
#8528 Masaki Sato 3 Yokohama, CA Canon
#8529 Masakazu Sato 3 Nishigo, JP Koito Manufacturing Co.
#8530 Masaki Satake 3 San Jose, CA Fujitsu Limited
#8531 Manji Sasaki 3 Ibaraki, JP Sumitomo Chemical
#8532 Masaomi Sasaki 3 Shizuoka, JP Ricoh Company
#8533 Masashi Sangen 3 Kasai, JP Panasonic
#8534 Masuji Sakaya 3 Narashino, JP Fujikura
#8535 Manabu Sakamoto 3 Tokyo, CA Sony
#8536 Masahiro Sakamoto 3 Kanazawa, MO Canon
#8537 Masanori Sakamoto 3 Kyoto, JP Subaru
#8538 Masahide Sakamoto 3 Hitachinaka, JP Hitachi
#8539 Masayuki Saitoh 3 Makinohara, JP Suntory Holdings Limited
#8540 Makoto Saito 3 Tokyo, MA Mitsubishi
#8541 Masato Saito 3 Tokyo, JP Mitsubishi Electric
#8542 Masato Sagawa 3 Kyoto, JP Intermetallics Co.
#8543 Masahito Saegusa 3 Mitaka, JP Hitachi
#8544 Marvin A. Sackner 3 Miami, FL Respitrace
#8545 Mark L. Robin 3 Middletown, DE Great Lakes Chemical
#8546 Martin Riediker 3 Riehen, CH Ciba-Geigy
#8547 Mark A. Reed 3 Toronto, CA Yale University
#8548 Manijeh Razeghi 3 Wilmette, IL Northwestern University
#8549 Manfred Rattner 3 Erlangen, DE Siemens Aktiengesellschaft
#8550 Manfred Pfalzgraf 3 Frankfurt am Main, DE Vdo Adolf Schindling Ag