HY

Hisafumi Yamada

SO Sony: 2 patents #11 of 234Top 5%
📍 Tokyo, CA: #13 of 53 inventorsTop 25%
Overall (1982): #12,860 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4357631 Ghost cancelling system Kimitake Utsunomiya, Choei Kuriki 1982-11-02
4344089 Ghost cancelling system Kimitake Utsunomiya, Choei Kuriki 1982-08-10