Inventor
SAKAMOTO SEIJI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “SAKAMOTO SEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DIAFOIL CO LTD
11 patentsUS5096773AMar 17, 1992
Biaxially oriented polyester film
DIAFOIL CO LTD31 citations92
US5006589AApr 9, 1991
Polyester film for magnetic recording media
DIAFOIL CO LTD29 citations92
US4320207AMar 16, 1982
Polyester film containing fine powder of crosslinked polymer
DIAFOIL CO LTD34 citations92
US4732799AMar 22, 1988
Polyethylene naphthalate film
DIAFOIL CO LTD20 citations82
US5164439ANov 17, 1992
Polyester film for magnetic recording media
DIAFOIL CO LTD20 citations81
US5061571AOct 29, 1991
Biaxially oriented polyester film
DIAFOIL CO LTD10 citations74
US4729915AMar 8, 1988
Electrical insulating material
DIAFOIL CO LTD6 citations74
US4767657AAug 30, 1988
Polyester films suitable for use in magnetic tapes
DIAFOIL CO LTD12 citations73
US5023291AJun 11, 1991
Polyester composition
DIAFOIL CO LTD15 citations71
US4886705ADec 12, 1989
Polyphenylene sulfide film
DIAFOIL CO LTD5 citations63
US4840830AJun 20, 1989
Polyester film for magnetic recording tape
DIAFOIL CO LTD6 citations54
HARISON TOSHIBA LIGHTING CORP
6 patentsUSD598158SAug 11, 2009
Tubular lamp
HARISON TOSHIBA LIGHTING CORP6 citations71
USD586941SFeb 17, 2009
Tubular lamp
HARISON TOSHIBA LIGHTING CORP3 citations61
USD586940SFeb 17, 2009
Tubular lamp
HARISON TOSHIBA LIGHTING CORP2 citations61
USD586495SFeb 10, 2009
Tubular lamp
HARISON TOSHIBA LIGHTING CORP4 citations60
USD586939SFeb 17, 2009
Tubular lamp
HARISON TOSHIBA LIGHTING CORP1 citations49
USD586494SFeb 10, 2009
Tubular lamp
HARISON TOSHIBA LIGHTING CORP1 citations49
DIAFOIL HOECHST CO LTD
5 patentsUS5863641AJan 26, 1999
Polyester film for sublimation type thermal transfer printing
DIAFOIL HOECHST CO LTD12 citations74
US5401558AMar 28, 1995
Biaxially oriented polyester film for capacitor dielectric
DIAFOIL HOECHST CO LTD9 citations74
US5670236ASep 23, 1997
Biaxially oriented polyester film for magnetic recording medium
DIAFOIL HOECHST CO LTD9 citations73
US5364684ANov 15, 1994
Magnetic recording medium comprising a polyethylene-2,6-naphthalate multilayered film coated on both sides by a coating layer
DIAFOIL HOECHST CO LTD6 citations62
US5324574AJun 28, 1994
Biaxially stretched polyester film
DIAFOIL HOECHST CO LTD4 citations56