Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Idemitsu Kosan Co.

Rank (2021): #478 of 31,507Top 2%
151 inventors
88 Patents 2021

Top Inventors at Idemitsu Kosan Co. 2021

Showing 151–151 of 151 inventors

RankNamePatents
#52 Yukio Yoshida 1