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USPTO Patent Rankings Data through Dec 31, 2025
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Japan Polypropylene — 4 Patents in 2021

Rank (2021): #8,711 of 31,441Top 30%
11 inventors
4 Patents 2021

Top Inventors at Japan Polypropylene 2021

Showing 1–11 of 11 inventors

RankNamePatents
1 Hiroyuki Shimizu 2
1 Kazunari Abe 2
1 Masahiro Uematsu 2
1 Minoru Kobayashi 2
1 Tetsuya Morioka 2
#6 Hideshi Uchino 1
#6 Naoshi Iwama 1
#6 Satoshi Katsuno 1
#6 Shinichi Kitade 1
#6 Tomohiko Satou 1
#6 Yoshika YAMADA 1