Inventor

OBINATA KENICHI

JP3 patents

Patents

3 patents

US6010761AJan 4, 2000

Optical disc

SONY CORP16 citations80

US5186994AFeb 16, 1993

Optical disc

SONY CORP4 citations59

US5800864ASep 1, 1998

Optical disc

SONY CORP0 citations48