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USPTO Patent Rankings Data through Dec 31, 2025
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Seiren Co. — 8 Patents in 2021

Rank (2021): #4,368 of 31,441Top 15%
11 inventors
8 Patents 2021

Top Inventors at Seiren Co. 2021

Showing 1–11 of 11 inventors

RankNamePatents
1 Daisuke Kawabata 1
1 Isao Honda 1
1 Michio Shinozaki 1
1 Nobuaki Ankyu 1
1 Shuya Takashima 1
1 Tatsuya Shirasaki 1
1 Tsuyoshi Houraiya 1
1 Tsuyoshi Kayanoki 1
1 Yoshihiro Shimizu 1
1 Yuichi Taniguchi 1
1 Yusuke Wanibuchi 1