NE

Nobuyasu Ezawa

TK Tanaka Kikinzoku Kogyo K.K.: 1 patents #3 of 11Top 30%
Overall (1989): #73,187 of 140,708Top 55%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4859293 Process for refining gold and apparatus employed therefor Mamoru Hirako 1989-08-22