Inventor

YAMANA KOJI

JP5 patents

⚠️ This page may combine multiple inventors who share the name “YAMANA KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUBISHI ELECTRIC CORP

3 patents

US5319626AJun 7, 1994

Method for rewriting defect management areas on optical disk according to ECMA standard

MITSUBISHI ELECTRIC CORP201 citations97

US5481517AJan 2, 1996

Track jump control means for a disk apparatus

MITSUBISHI ELECTRIC CORP9 citations73

US5438557AAug 1, 1995

Optical disk storage which provides pull-in of focus servo and pull-in of tracking servo

MITSUBISHI ELECTRIC CORP6 citations62

TANDY CORP

1 patent

US5090052AFeb 18, 1992

Telephone system with multiple extension telephones

TANDY CORP135 citations94

CASIO COMPUTER CO LTD

1 patent

US4437378AMar 20, 1984

Electronic musical instrument

CASIO COMPUTER CO LTD55 citations90