Inventor

TEZUKA SHIN-ICHI

JP4 patents

Patents

4 patents

US5487926AJan 30, 1996

Optical disk

TDK CORP34 citations91

US5292568AMar 8, 1994

Optical disk having a hard coat layer

TDK CORP36 citations90

US5279877AJan 18, 1994

Magneto optical disc

TDK CORP21 citations90

US5546802AAug 20, 1996

Humidity sensor and method for making

TDK CORP22 citations87