TH

Takumi Hirosawa

DC Dainippon Ink And Chemicals: 1 patents #20 of 90Top 25%
📍 Suita, JP: #22 of 96 inventorsTop 25%
Overall (1989): #53,601 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

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