HS

Hiroki Sekiguchi

IC Idemitsu Kosan Co.: 1 patents #45 of 106Top 45%
Overall (2025): #368,311 of 469,880Top 80%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12394039 Lubricating oil degradation evaluation system and lubricating oil degradation evaluation method Genki OKUYAMA 2025-08-19