Inventor
ETCHU MASAMI
JP17 patents
Patents
17 patentsUS5731071AMar 24, 1998
Biaxially oriented polyester film
TEIJIN LTD23 citations92
US5665454ASep 9, 1997
Biaxially oriented polyethylene-2,6-naphthalate film and magnetic tape formed therefrom
TEIJIN LTD34 citations92
US5620774AApr 15, 1997
Biaxially oriented laminated polyester film
TEIJIN LTD29 citations92
US5252388AOct 12, 1993
Biaxially oriented polyester film for magnetic recording media
TEIJIN LTD22 citations92
US5656356AAug 12, 1997
Biaxially oriented laminated polyester film
TEIJIN LTD27 citations87
US5431983AJul 11, 1995
Magnetic recording tape comprising a polyethylene-2,6-napthalate substrate, magnetic metal thin film, and a backcoat layer
TEIJIN LTD7 citations73
US5368932ANov 29, 1994
Biaxially oriented polyester film for magnetic recording media containing theta or mixed alpha plus gamma aluminum oxide and inert organic particles
TEIJIN LTD9 citations73
US5316823AMay 31, 1994
Magnetic tape
TEIJIN LTD11 citations73
US5529832AJun 25, 1996
Biaxially oriented laminated polyester film
TEIJIN LTD11 citations72
US5516574AMay 14, 1996
Biaxially oriented laminated polyester film having different size particles in a layer thereof
TEIJIN LTD13 citations72
US4129630ADec 12, 1978
Process for producing thermoplastic resin films having reduced thickness unevenness
TEIJIN LTD8 citations72
US5534323AJul 9, 1996
Biaxially oriented film of polyethylene-2,6-naphtalenedicarboxylate for magnetic recording floppy disks
TEIJIN LTD14 citations71
US5702794ADec 30, 1997
Laminated polyester film for magnetic recording medium
TEIJIN LTD5 citations62
US5556691ASep 17, 1996
Biaxially oriented laminated polyester film and magnetic recording medium having the same as base film
TEIJIN LTD5 citations62
US5431976AJul 11, 1995
Laminated polyester film and magnetic recording medium using it as base film
TEIJIN LTD4 citations62
US5415930AMay 16, 1995
Biaxially oriented, unidirectionally long polyethylene-2,6-naphthalate film and magnetic tape therefrom
TEIJIN LTD5 citations62
US5958553ASep 28, 1999
Biaxially oriented, polyethylene-2, 6-naphthalate film and magnetic tape formed therefrom
TEIJIN LTD1 citations52