Utsumi; Shigeo

Patent Applications and Registrations

Patent applications and USPTO patent grants for Utsumi; Shigeo.The latest application filed is for "laminated polyester film for magnetic tape".

Company Profile

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Utsumi; Shigeo - Yamato JP
Utsumi; Shigeo - Kanagawa JP
Utsumi; Shigeo - Yokohama JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Laminated polyester film for magnetic tape Grant 5,441,800 - Utsumi * August 15, 1	1995-08-15
Laminated polyester film for magnetic tape having specific surface properties Grant 5,366,783 - Utsumi , et al. * November 22, 1	1994-11-22
Polyester multilayered film for high-density magnetic disc Grant 5,318,823 - Utsumi , et al. June 7, 1	1994-06-07
Process for producing biaxially oriented polyester film Grant 5,139,727 - Utsumi , et al. August 18, 1	1992-08-18
Low-shrinkage polyester film and preparation thereof Grant 5,093,064 - Utsumi , et al. * March 3, 1	1992-03-03
Shrinkable copolyester film Grant 5,070,180 - Fukuda , et al. December 3, 1	1991-12-03
Polyester film for high density magnetic recording medium Grant 5,045,379 - Kotani , et al. September 3, 1	1991-09-03
Polyester films, magnetic recording media and film capacitors produced therefrom Grant 4,990,400 - Endo , et al. February 5, 1	1991-02-05
Shrinkable polyester film Grant 4,985,538 - Fukuda , et al. January 15, 1	1991-01-15
Process of making a biaxially stretched polyester film and biaxially stretched polyester film Grant 4,985,537 - Utsumi , et al. January 15, 1	1991-01-15
Transfer material for use with printer Grant 4,977,020 - Utsumi December 11, 1	1990-12-11
Polyethylene naphthalate film for high-density magnetic recording media of floppy disk Grant 4,876,137 - Utsumi October 24, 1	1989-10-24
Polyester film for magnetic recording media Grant 4,865,898 - Fukuda , et al. September 12, 1	1989-09-12
Polyethylene-2,6-naphthalate film for capacitor Grant 4,814,221 - Utsumi March 21, 1	1989-03-21
Shrinkable polyester film for packaging Grant 4,814,426 - Utsumi , et al. March 21, 1	1989-03-21
Thermal transfer (printing) material Grant 4,812,360 - Utsumi March 14, 1	1989-03-14
Polyethylene-2,6-naphthalate film for magnetic recording tapes Grant 4,804,736 - Utsumi February 14, 1	1989-02-14
Uniaxially high-oriented polyethylene naphthalate film for liquid crystal panel substrates Grant 4,799,772 - Utsumi January 24, 1	1989-01-24
Uniaxially high-oriented polyethylene naphthalate film for polarizing plates Grant 4,756,953 - Utsumi July 12, 1	1988-07-12
Polyethylene naphthalate film for membrane switch Grant 4,725,479 - Utsumi February 16, 1	1988-02-16
Polyester films suitable for use in magnetic recording media Grant 4,708,902 - Utsumi , et al. November 24, 1	1987-11-24
Transparent slippery biaxially stretched polyester film Grant 4,677,188 - Utsumi , et al. June 30, 1	1987-06-30
Process for stretching polyester films Grant 4,617,164 - Kanesaki , et al. October 14, 1	1986-10-14

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