MI

Masato Iwai

SO Sony: 1 patents #385 of 1,361Top 30%
Overall (1997): #109,933 of 185,788Top 60%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

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