Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
NK

Natsuyo KAMIMOTO

OC Otsuka Chemical Co.: 1 patents #5 of 13Top 40%
Overall (2025): #269,904 of 469,880Top 60%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12275836 Sulfanyl sulfonic acid compound, viscoelastic modifier, rubber composition, and vulcanized rubber production method Takeshi Hara 2025-04-15