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 3,851–3,900 of 4,033 inventors

RankNamePatents
#2469 Yuji Takaoka 1
#2469 Yuki Takekawa 1
#2469 Yutaka Takemoto 1
#2469 Yukie TAKEMOTO 1
#2469 Yuji Tanabe 1
#2469 Yuji Tanaka 1
#2469 Yuki Tanaka 1
#2469 Yukihito Tokuoka 1
#2469 Yukimitsu Wakasugi 1
#2469 Yuichi Yamamura 1
#2469 Yu YANAGISAWA 1
#2469 Yuuji Yoshii 1
#2469 Yutaka Yoshii 1
#2469 Yusuke Yukimoto 1
#2469 Zenichi Yoshida 1
#2469 Zhigang Cheng 1
#2469 Zhonglin Zhang 1
#2469 Jitsuo Kuroawa 1
#2469 Motomasa Ohsu 1
#2469 Michiaki Yoshidomi 1
#2469 Hidenori Danda 1
#2469 Mutsuo Oi 1
#2469 Kiyoto Chinushi 1
#2469 Yoshitaka Oowatari 1
#2469 Koichiro Tsunewaki 1
#2469 Yasuhiro Kayano 1
#2469 Junji Shiraiwa 1
#2469 Sigeyoshi Mathubara 1
#2469 Haruo Inatomi 1
#2469 Satoshi Ebisu 1
#2469 Syoich Nezu 1
#2469 Takahiko Fuzisaki 1
#2469 Haruo Sasayama 1
#2469 Akira Mahara 1
#2469 Kei Kagiya 1
#2469 Liau Chun-Eng 1
#2469 Kikuo Ioshizumi 1
#2469 Koichi Manable 1
#2469 Khoichi Okuno 1
#2469 Fumikazu Hosono 1
#2469 Ritsu Okajima 1
#2469 Ryo Yoshido 1
#2469 Satoshi Shimogama 1
#2469 Kouji Deuchi 1
#2469 Masao Sirosita 1
#2469 Tamio Sirafuji 1
#2469 Yasumoto Simazu 1
#2469 Kimio Nakaseko 1
#2469 Seiji Kouno 1
#2469 Megumi Akiyoshi 1