YK

Yoshirou Kojima

SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #3,730,730 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5692941 Method of and apparatus for welding spring to aperture grill Masami Takeda, Tomoyuki Kurihara, Kazuhiko Otsuka 1997-12-02