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USPTO Patent Rankings Data through Sept 30, 2025
MA

Marubun — 1 Patent in 2021

Rank (2021): #24,950 of 31,507Top 80%
8 inventors
1 Patents 2021

Top Inventors at Marubun 2021

Showing 1–8 of 8 inventors

RankNamePatents
1 Eriko Matsuura 1
1 Hideki Hirayama 1
1 Mitsunori Kokubo 1
1 Ryuichiro Kamimura 1
1 Takaharu Tashiro 1
1 Toshiro Morita 1
1 Yamato Osada 1
1 Yukio Kashima 1