SA

Shigekazu AOYAMA

IH Ihi: 1 patents #624 of 1,178Top 55%
Overall (All Time): #2,430,334 of 4,157,543Top 60%
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Patent #TitleCo-InventorsDate
12345293 Thrust foil bearing Tsutomu Iida, Seiichiro Yoshinaga, Masahiro Nakajima, Naomichi Omori 2025-07-01