Inventor

SUGIYAMA MASANOBU

JP3 patents

Patents

3 patents

US5143317ASep 1, 1992

Tape cassette with dual hub lock torsion springs

SONY CORP10 citations65

US5140488AAug 18, 1992

Magnetic tape cassette

SONY CORP2 citations58

US6421203B1Jul 16, 2002

Magnetic tape cassette slider lock mechanism with tapered surfaces and coil spring bias

SONY CORP0 citations33