MT

Masaharu Takegawa

DI Daicel Chemical Industries: 1 patents #24 of 79Top 35%
Overall (1997): #106,556 of 185,788Top 60%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5618620 Filter rod for filtering the smoke of a cigarette Akihisa Matsuda 1997-04-08