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

Ranked by patent count

Showing 13,251–13,300 of 185,788 inventors

Rank Name Patents Location Company
#13251 Mark Peyser 3 Easton, CT Eveready Battery Company
#13252 Marnix Peferoen 3 Gent, BE Plant Genetic Systems N.V.
#13253 Mark Peairs 3 Menlo Park, CA Ricoh Company
#13254 Marius A. Paul 3 Bucharest, CA —
#13255 Maximo M. Panitch 3 Skokie, IL Helene Curtis
#13256 Masamitsu Ozawa 3 Kawasaki, JP Nikon
#13257 Masaru Ozaki 3 Ichihara, PA Toray Silicone Co.
#13258 Masaharu Ozaki 3 Yokohama, CA —
#13259 Marian W. Osiecki 3 Marianna, FL Oglesby Plants International
#13260 Masahiko Osaka 3 Chigasaki, JP Panasonic
#13261 Masuhiro Onoyama 3 Ebeye Sankyo Seiki Mfg. Co.
#13262 Masahide Okazaki 3 Kyoto, JP Dainippon Screen Mfg. Co.
#13263 Masami Okamura 3 Yokohama, JP Kabushiki Kaisha Toshiba
#13264 Masatoshi Okamura 3 Tokyo, JP Tdk
#13265 Manabu Okamoto 3 Yokohama, JP Hitachi
#13266 Masahiro Okajima 3 Kariya, JP Denso
#13267 Masahide Oka 3 Kawanishi, JP Takeda Chemical Industries
#13268 Masaki Ohura 3 Odawara, JP Hitachi
#13269 Masanori Ohtsuka 3 Yokohama, JP Canon
#13270 Masahiro Ohta 3 Saitama, JP Mitsui Toatsu Chemicals, Incorporated
#13271 Masashi Ohta 3 Hamamatsu, MO Sony
#13272 Masayuki Ohta 3 Osaka, JP Sharp Kabushiki Kaisha
#13273 Masaru Ohnishi 3 Nagano, JP Mimaki Engineering Co.
#13274 Masaharu Ohkubo 3 Yokohama, JP Canon
#13275 Makoto Ogura 3 Tsukuba, CA Canon
#13276 Masaki Ogihara 3 Yokohama, JP Kabushiki Kaisha Toshiba
#13277 Masato Ogawa 3 Yokohama, JP Ricoh Company
#13278 Masatsugu Ogata 3 Hitachi, JP Hitachi
#13279 Masaru Ogata 3 Tokyo, JP Shionogi & Co.
#13280 Markus Oechsle 3 Heubach, DE Voith Sulzer Papiermaschinen Gmbh
#13281 Masaru Odagiri 3 Kawanishi, JP Sumitomo Electric Industries
#13282 Masayuki Ochiai 3 Kawasaki, JP Fujitsu Limited
#13283 Masahisa Ochiai 3 Fukaya, JP Hitachi
#13284 Masafumi Nozawa 3 Odawara, JP Hitachi
#13285 Masahiro Nozaki 3 Utsunomiya, JP Toyoda Gosei Co.
#13286 Masayoshi Noguchi 3 Chiba, JP Sony
#13287 Masakazu Nishino 3 Fukui, JP Nicca Chemical Co.
#13288 Masato Nishigaki 3 Iwata, JP Yamaha Motor
#13289 Manfred Neumann 3 Marl, WI Evonik Degussa Gmbh
#13290 Mara Nemas 3 Gdera, IL Neuroderm
#13291 Masayoshi Nawa 3 Wakayama, JP Kao
#13292 Masanobu Naruto 3 Kamakura, JP Toray Industries
#13293 Masumi Narita 3 Yokohama, JP Ricoh Company
#13294 Masatoshi Nakayama 3 Kyoto, JP Tdk
#13295 Mamoru Nakasuji 3 Tokyo, JP Nikon
#13296 Makoto Nakase 3 Tokyo, JP Kabushiki Kaisha Toshiba
#13297 Masanori Nakao 3 Osaki, JP Alps Electric Co.
#13298 Masaki Nakano 3 Tokyo, JP Nissan Motor Co.
#13299 Masahiro Nakano 3 Osaka, CA Tdk
#13300 Masakazu Nakamura 3 Hachioji, JP Konica Minolta