Inventor

OKABAYASHI NORIO

JP5 patents

Patents

5 patents

US5104501AApr 14, 1992

Electrolytic cleaning method and electrolytic cleaning solution for stamper

DAICEL CHEM50 citations89

US5024744AJun 18, 1991

Stamper cleaning apparatus

DAICEL CHEM18 citations71

US4539079ASep 3, 1985

Method and apparatus for electroforming a stamper for producing a high-density information recording carrier

DAICEL CHEM16 citations71

US4627809ADec 9, 1986

Metal mold and stamper for injection molding of a plastic disc for a high-density information recording carrier

DAICEL CHEM14 citations70

US5484324AJan 16, 1996

Stamper for injection molding

DAICEL CHEM13 citations69