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 3,901–3,950 of 4,033 inventors

RankNamePatents
#2469 Kunio Kogami 1
#2469 Isao Kameda 1
#2469 Shigeki Kriyama 1
#2469 Hajime Muraguchi 1
#2469 Syozo Senguro 1
#2469 Yoshitaka Owatari 1
#2469 Kenji Kagaoka 1
#2469 Sachiko Imazu 1
#2469 Satoru Funkakoshi 1
#2469 Kunihiko Shigematsu 1
#2469 Junichi Kenmei 1
#2469 Seiji Koono 1
#2469 Tatsuya Momobayashi 1
#2469 Naoto Konyo 1
#2469 Norimitsu Numadate 1
#2469 Hiroshi Kakisawa 1
#2469 Hideyuki Hao 1
#2469 Hirofumi Jyohoji 1
#2469 Hironobu Shigematu 1
#2469 Sasaki Mitsuru 1
#2469 Yukinori Dairaku 1
#2469 Koichi Kamemoto 1
#2469 Tumay Tekin 1
#2469 Masahiko Tatsuma 1
#2469 Shigetoshi Muneishi 1
#2469 Yasushi Chosokabe 1
#2469 Hirotaka Tanako 1
#2469 Kiyokazu Jimpo 1
#2469 Masao Owaga 1
#2469 Takeo Tsukii 1
#2469 Jyunzou Otera 1
#2469 Tukio Mizuno 1
#2469 Tadashi Higasa 1
#2469 Joji Fuji 1
#2469 Junpei Kozima 1
#2469 Yamada Taiji 1
#2469 Chikako Matsusaka 1
#2469 Masaki Nakazyo 1
#2469 Noboru Ukishiro 1
#2469 Wataru Tohoma 1
#2469 Osamu Hiroaki 1
#2469 Hirofumi Johohji 1
#2469 Ebara Takeshi 1
#2469 Asako Tanahashi 1
#2469 Kazuo Kasabo 1
#2469 Michihisa Toriba 1
#2469 Motohiko Sammizzo 1
#2469 Seiichi Tuji 1
#2469 Masahisa Shinoya 1
#2469 Washohati Abo 1