SH

Seiichi Hamanaka

NC Nisshin Steel Co.: 1 patents #240 of 514Top 50%
SO Sony: 1 patents #17,262 of 25,231Top 70%
📍 Kure, JP: #448 of 736 inventorsTop 65%
Overall (All Time): #3,507,548 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6544356 Steel sheet for use as an electrode-supporting frame member of a color picture tube and manufacturing method thereof Yukio Katagiri, Akito Kawamoto, Nobuo Ozawa, Takahide Sanma 2003-04-08