YK

Yoshirou Kojima

SO Sony: 1 patents #385 of 1,361Top 30%
Overall (1997): #56,010 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

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