AC

An-Hsiung Chang

Overall (All Time): #1,805,986 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11732122 Modified polyvinyl butyral material, and preparation and applications thereof — 2023-08-22
11639437 Modified polyvinyl butyral material, and preparation and applications thereof — 2023-05-02