JT

Junzo Takano

SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #3,726,334 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5674115 Apparatus for grinding a master disc Eiki Yamashita, Masato Iwai, Kiyohiko Miyahara 1997-10-07