SI

Seimi Ishii

SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #3,767,237 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5402314 Printed circuit board having through-hole stopped with photo-curable solder resist Hirohisa Amago, Nobuo Komatsu, Nobuyuki Yasuda 1995-03-28