Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Sumitomo Chemical

Rank (All Time): #120 of 106,127Top 1%
4,033 inventors
6,467 Patents All Time

Top Inventors at Sumitomo Chemical All Time

Showing 4,001–4,033 of 4,033 inventors

RankNamePatents
#2469 Akio Sakai 1
#2469 Akiko Sakurai 1
#2469 Akio Sasaki 1
#2469 Akira Sasaki 1
#2469 Akinori Seta 1
#2469 Akira Sugiura 1
#2469 Akihide Suzuki 1
#2469 Akihiro Tachibana 1
#2469 Akira Takagi 1
#2469 Akira Takase 1
#2469 Akira Takata 1
#2469 Akira Tasaka 1
#2469 Akihisa Terano 1
#2469 Akihiro Tomita 1
#2469 Akio Uemura 1
#2469 Akihiro YAMAMORI 1
#2469 Akira Yashima 1
#2469 Akiko Yokoyama 1
#2469 Akira Yokoyama 1
#2469 Akihiro Yuasa 1
#2469 Alejandro Andreatta 1
#2469 Alexander Doust 1
#2469 Aleksander Edward Karczewski 1
#2469 Antonio Guerrero Castillejo 1
#2469 Andrey Nikolaenko 1
#2469 Annelies Roobrouck 1
#2469 Andre Sbresny 1
#2469 Anusom Seubsai 1
#2469 Asako Kubo 1
#2469 Atsushi Asano 1
#2469 Atsushi Fukuchi 1
#2469 Atsushi Hirakawa 1
#2469 Atsuhiko Imai 1