TH

Takumi Hirosawa

DC Dainippon Ink And Chemicals: 1 patents #446 of 1,002Top 45%
📍 Suita, JP: #751 of 1,253 inventorsTop 60%
Overall (All Time): #3,926,857 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4826898 Colored polypropylene resin Yuzo Hirayama, Keiki Sagara, Mituhiro Isomichi, Junichi Kumabe 1989-05-02