TT

Toshihiko Takegawa

SO Sony: 1 patents #17,262 of 25,231Top 70%
📍 Rifu, JP: #1,311 of 2,101 inventorsTop 65%
Overall (All Time): #3,616,617 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6068906 Mold for making disc substrate, process for producing mold and disc substrate Takeshi Sasa, Eiki Oyanagi, Takehisa Ishida 2000-05-30