Inventor

NARA MASAJI

JP4 patents

Patents

4 patents

US5914073AJun 22, 1999

Protective film for polarizing plate

KONISHIROKU PHOTO IND55 citations94

US6008940ADec 28, 1999

Protective film of polarizing plate

KONISHIROKU PHOTO IND38 citations92

US4684572AAug 4, 1987

Magnetic recording medium

KONISHIROKU PHOTO IND14 citations72

US4652496AMar 24, 1987

Magnetic recording medium

KONISHIROKU PHOTO IND13 citations72