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

Toshihiko Kawakubo

SC Shin-Etsu Chemical Co.: 2 patents #25 of 212Top 15%
📍 Kamisu, TX: #1 of 1 inventorsTop 100%
Overall (2025): #79,865 of 469,880Top 20%
2
Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12252564 Method for producing vinyl chloride type polymer Hiroshi Fukudome, Kazuhiro Kumakura 2025-03-18
12240972 Method for producing vinyl chloride type polymer Hiroshi Fukudome, Kazuhiro Kumakura 2025-03-04