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

Hayato Matsuyama

AS Asahi Kasei Battery Separator: 1 patents #5 of 14Top 40%
Overall (2025): #374,310 of 469,880Top 80%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12431588 Composite-type stacked chemically-crosslinked separator Xun Zhang, Yusuke Akita, Hiromi Kobayashi 2025-09-30