Patents by Inventor Shinji Muro
Shinji Muro has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11186701Abstract: A biaxially oriented polyester film, which exhibits an excellent winding property in a manufacturing process, and realizes an excellent electromagnetic conversion property and less failure of signals of a magnetic recording tape to be produced thereof, is provided. This biaxially oriented polyester film satisfies the formula y??24.9X+3.8, where the protrusion height X is 0.075 ?m, 0.100 ?m, and 0.125 ?m, and y denotes a base-10 logarithm value of the number of protrusions having protrusion heights of X or more in a visual field of a region of 282 ?m×211 ?m, and a protrusion height that corresponds to a 0.4% area of a bearing curve based on protrusion height distribution is 65-90 nm.Type: GrantFiled: August 28, 2020Date of Patent: November 30, 2021Assignee: TOYOBO CO., LTD.Inventors: Makoto Handa, Shinji Muro
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Publication number: 20210061974Abstract: A biaxially oriented polyester film, which exhibits an excellent winding property in a manufacturing process, and realizes an excellent electromagnetic conversion property and less failure of signals of a magnetic recording tape to be produced thereof, is provided. This biaxially oriented polyester film satisfies the formula y??24.9X+3.8, where the protrusion height X is 0.075 ?m, 0.100 ?m, and 0.125 ?m, and y denotes a base-10 logarithm value of the number of protrusions having protrusion heights of X or more in a visual field of a region of 282 ?m×211 ?m, and a protrusion height that corresponds to a 0.4% area of a bearing curve based on protrusion height distribution is 65-90 nm.Type: ApplicationFiled: August 28, 2020Publication date: March 4, 2021Applicant: TOYOBO FILM SOLUTIONS LIMITEDInventors: Makoto HANDA, Shinji MURO
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Patent number: 8485460Abstract: A polyester film roll is rolled on a core, wherein the difference R (m) between the maximum value and the minimum value of the diameters of the roll is not more than 2W×10?3 and not more than L×10?7, when the diameters of said roll are measured in the width direction of the roll, (therein, W is the width (m) of the film roll, and L is the length (m) of the rolled film). Alternatively, among the lengths of lines which are obtained by measuring the diameters of said roll in the width direction of the roll, drawing a straight line between both the ends of the curved line of the obtained roll diameters, the maximum distance on the convex portion between the curved and straight lines is not more than 500 ?m, and the maximum distance on the concave portion of the same is not more than 300 ?m.Type: GrantFiled: December 18, 2000Date of Patent: July 16, 2013Assignee: Teijin LimitedInventors: Ieyasu Kobayashi, Mitsuo Tojo, Tsuyonari Nohira, Shinji Muro, Hirofumi Murooka
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Patent number: 8404371Abstract: A biaxially oriented polyester film which has a Young's modulus (YMD) in the film machine direction (YMD) of 6.5 GPa or more and a Young's modulus in the width direction (YTD) of 8.2 to 9.8 GPa and is used as a base film for magnetic recording tapes of linear recording system, and a magnetic recording tape of linear recording system comprising the same as a base film. There are provided a biaxially oriented polyester film which has excellent dimensional stability, especially dimensional stability in the width direction and is suitable for use as a base film for magnetic recording tapes of linear recording system and a magnetic recording tape comprising the same.Type: GrantFiled: May 27, 2011Date of Patent: March 26, 2013Assignee: Teijin Dupont Films Japan LimitedInventors: Ieyasu Kobayashi, Shinji Muro, Takeshi Ishida
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Patent number: 8367199Abstract: An object of the present invention is to provide a thin biaxially oriented film excellent in dimensional stability against humidity change, as well as a magnetic recording medium and a film capacitor using the same. The present invention provides a single layered or laminated biaxially oriented film comprising an aromatic polyester (a) and a polyolefin (b) having a melting point of from 230 to 280° C., wherein the ratio of the polyolefin (b) is from 5 to 30% based on the entire weight of the film, and the film thickness is from 1 to 10 ?m.Type: GrantFiled: October 19, 2011Date of Patent: February 5, 2013Assignee: Teijin Dupont Films Japan LimitedInventors: Tetsuo Yoshida, Katsuyuki Hashimoto, Ieyasu Kobayashi, Shinji Muro, Takeshi Ishida
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Patent number: 8191812Abstract: The polyester film roll, which is free from wrinkles and slacks generated with the passage of time and is having a good roll appearance, is provided without changing the characteristics of the film.Type: GrantFiled: April 27, 2004Date of Patent: June 5, 2012Assignee: Teijin LimitedInventors: Ieyasu Kobayashi, Mitsuo Tojo, Tsuyonari Nohira, Shinji Muro, Hirofumi Murooka
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Publication number: 20120040208Abstract: An object of the present invention is to provide a thin biaxially oriented film excellent in dimensional stability against humidity change, as well as a magnetic recording medium and a film capacitor using the same. The present invention provides a single layered or laminated biaxially oriented film comprising an aromatic polyester (a) and a polyolefin (b) having a melting point of from 230 to 280° C., wherein the ratio of the polyolefin (b) is from 2 to 60% based on the entire weight of the film, and the film thickness is from 1 to 10 ?m.Type: ApplicationFiled: October 19, 2011Publication date: February 16, 2012Applicant: TEIJIN DUPONT FILMS JAPAN LIMITEDInventors: Tetsuo Yoshida, Katsuyuki Hashimoto, Ieyasu Kobayashi, Shinji Muro, Takeshi Ishida
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Patent number: 8067105Abstract: A thin biaxially oriented film excellent in dimensional stability against humidity change, as well as a magnetic recording medium and a film capacitor using the same. The present invention provides a laminated biaxially oriented film comprising: at least one layer comprising an aromatic polyester (a); and at least one layer of a polyolefin (b) having a melting point of from 230 to 280° C.; wherein the ratio of the polyolefin (b) is from 2 to 60% based on the entire weight of the film, and the film thickness is from 1 to 10 ?m.Type: GrantFiled: January 28, 2005Date of Patent: November 29, 2011Assignee: Teijin Dupont Films Japan LimitedInventors: Tetsuo Yoshida, Katsuyuki Hashimoto, Ieyasu Kobayashi, Shinji Muro, Takeshi Ishida
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Publication number: 20110229738Abstract: A biaxially oriented polyester film which has a Young's modulus (YMD) in the film machine direction (YMD) of 6.5 GPa or more and a Young's modulus in the width direction (YTD) of 8.2 to 9.8 GPa and is used as a base film for magnetic recording tapes of linear recording system, and a magnetic recording tape of linear recording system comprising the same as a base film. There are provided a biaxially oriented polyester film which has excellent dimensional stability, especially dimensional stability in the width direction and is suitable for use as a base film for magnetic recording tapes of linear recording system and a magnetic recording tape comprising the same.Type: ApplicationFiled: May 27, 2011Publication date: September 22, 2011Applicant: TEIJIN DUPONT FILMS JAPAN LIMITEDInventors: Ieyasu KOBAYASHI, Shinji MURO, Takeshi ISHIDA
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Patent number: 7801989Abstract: Various approaches for updating system monitoring policy parameters. In one approach, updates to the monitoring policy parameters are transmitted to an event server via an event report. The event server transmits the event report to a subcomponent manager executing on the monitored system. The subcomponent manager determines to which of a plurality of monitoring subcomponents the update is to be applied. The subcomponent manager then suspends the execution thread of the monitoring subcomponents, updates monitoring policy parameters of the subcomponent with data from the event report, and thereafter resumes the execution thread of the subcomponents. The subcomponent then operates with the updated monitoring policy parameters.Type: GrantFiled: December 12, 2008Date of Patent: September 21, 2010Assignee: Unisys CorporationInventors: David J. Edwardson, Shinji Muro, Kate H. Tsai, Tyson R. Midboe
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Publication number: 20100167092Abstract: A biaxially oriented polyester film which has a Young's modulus (YMD) in the film machine direction (YMD) of 6.5 GPa or more and a Young's modulus in the width direction (YTD) of 8.2 to 9.8 GPa and is used as a base film for magnetic recording tapes of linear recording system, and a magnetic recording tape of linear recording system comprising the same as a base film. There are provided a biaxially oriented polyester film which has excellent dimensional stability, especially dimensional stability in the width direction and is suitable for use as a base film for magnetic recording tapes of linear recording system and a magnetic recording tape comprising the same.Type: ApplicationFiled: December 27, 2006Publication date: July 1, 2010Applicant: TEIJIN DUPONT FILMS JAPAN LIMITEDInventors: Ieyasu Kobayashi, Shinji Muro, Takeshi Ishida
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Publication number: 20090089424Abstract: Various approaches for updating system monitoring policy parameters. In one approach, updates to the monitoring policy parameters are transmitted to an event server via an event report. The event server transmits the event report to a subcomponent manager executing on the monitored system. The subcomponent manager determines to which of a plurality of monitoring subcomponents the update is to be applied. The subcomponent manager then suspends the execution thread of the monitoring subcomponents, updates monitoring policy parameters of the subcomponent with data from the event report, and thereafter resumes the execution thread of the subcomponents. The subcomponent then operates with the updated monitoring policy parameters.Type: ApplicationFiled: December 12, 2008Publication date: April 2, 2009Inventors: DAVID J. EDWARDSON, SHINJI MURO, KATE H. TSAI, Tyson R. Midboe
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Patent number: 7509416Abstract: Various approaches for updating system monitoring policy parameters. In one approach, updates to the monitoring policy parameters are transmitted to an event server via an event report. The event server transmits the event report to a subcomponent manager executing on the monitored system. The subcomponent manager determines to which of a plurality of monitoring subcomponents the update is to be applied. The subcomponent manager then suspends the execution thread of the monitoring subcomponents, updates monitoring policy parameters of the subcomponent with data from the event report, and thereafter resumes the execution thread of the subcomponents. The subcomponent then operates with the updated monitoring policy parameters.Type: GrantFiled: November 3, 2006Date of Patent: March 24, 2009Assignee: Unisys CorporationInventors: David J. Edwardson, Shinji Muro, Kate H. Tsai, Tyson R. Midboe
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Publication number: 20070281186Abstract: An object of the present invention is to provide a thin biaxially oriented film excellent in dimensional stability against humidity change, as well as a magnetic recording medium and a film capacitor using the same. The present invention provides a single layered or laminated biaxially oriented film comprising an aromatic polyester (a) and a polyolefin (b) having a melting point of from 230 to 280° C., wherein the ratio of the polyolefin (b) is from 2 to 60% based on the entire weight of the film, and the film thickness is from 1 to 10 ?m.Type: ApplicationFiled: January 28, 2005Publication date: December 6, 2007Applicant: Teijin Dupont Films Japan LimitedInventors: Tetsuo Yoshida, Katsuyuki Hashimoto, Ieyasu Kobayashi, Shinji Muro, Takeshi Ishida
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Patent number: 7122241Abstract: A biaxially oriented polyester film for a high-density magnetic recording medium, particularly a high-density magnetic recoding medium of linear recording system, which has high strength in longitudinal and transverse directions, excellent dimensional stability in a crosswise direction and is flat and excellent in output characteristics and a process for producing the same. The biaxially oriented film is made from polyethylene-2,6-naphthalate and has a Young's modulus in a longitudinal direction of 8 GPa or more, a Young's modulus in a transverse direction of 6 GPa or more, a temperature expansion coefficient in the transverse direction (?t) of ?5×10?6/° C. to +12×10?6/° C., a humidity expansion coefficient in the transverse direction (?h) of 5×10?6/% RH to 12×10?6/% RH and a thermal shrinkage factor in the transverse direction at 105° C. of ?0.5 to +1.5%.Type: GrantFiled: September 16, 2004Date of Patent: October 17, 2006Assignee: Teijin LimitedInventors: Ieyasu Kobayashi, Shinji Muro, Hirofumi Murooka
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Publication number: 20050147795Abstract: A biaxially oriented polyester film, comprising a polyester containing inert particles, wherein (A) the smallest value of Young's modulus in the planar direction is 5 GPa or more, and the difference between the largest value and the smallest value is 1 GPa or less; (B) the largest value of thermal shrinkage factor when the film is heated at 105° C. for 30 minutes is 0.6% or less, and the difference between the largest value and the smallest value is 0.3% or less; (C) the center line average surface roughnesses (Ra) of the both surfaces of the film are in the range of 2 to 10 nm; and (D) the agglomeration ratio of the inert particles in the film is 30% or less. This film has a flat surface, few large projections formed by the agglomeration of particles, high strength, a small thermal shrinkage factor, rarely experienced an error (D/O), and had excellent head contact and dimensional stability as a base film for flexible disks, particularly high-density magnetic disks.Type: ApplicationFiled: October 23, 2003Publication date: July 7, 2005Applicant: Teijin Dupont Films Japan LimitedInventors: Ieyasu Kobayashi, Shinji Muro
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Patent number: 6890471Abstract: A biaxially oriented polyester film for a high-density magnetic recording medium, particularly a high-density magnetic recoding medium of linear recording system, which has high strength in longitudinal and transverse directions, excellent dimensional stability in a crosswise direction and is flat and excellent in output characteristics and a process for producing the same. The biaxially oriented film is made from polyethylene-2,6-naphthalate and has a Young's modulus in a longitudinal direction of 8 GPa or more, a Young's modulus in a transverse direction of 6 GPa or more, a temperature expansion coefficient in the transverse direction (?t) of ?5×10?6/° C. to +12×10?6/° C., a humidity expansion coefficient in the transverse direction (?h) of 5×10?6/% RH to 12×10?6/% RH and a thermal shrinkage factor in the transverse direction at 105° C. of ?0.5 to +1.Type: GrantFiled: December 7, 2001Date of Patent: May 10, 2005Assignee: Teijin LimitedInventors: Ieyasu Kobayashi, Shinji Muro, Hirofumi Murooka
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Publication number: 20050031880Abstract: A biaxially oriented polyester film for a high-density magnetic recording medium, particularly a high-density magnetic recoding medium of linear recording system, which has high strength in longitudinal and transverse directions, excellent dimensional stability in a crosswise direction and is flat and excellent in output characteristics and a process for producing the same. The biaxially oriented film is made from polyethylene-2,6-naphthalate and has a Young's modulus in a longitudinal direction of 8 GPa or more, a Young's modulus in a transverse direction of 6 GPa or more, a temperature expansion coefficient in the transverse direction (?t) of ?5×10?6/° C. to +12×10?6/° C., a humidity expansion coefficient in the transverse direction (?h) of 5×10?6/% RH to 12×10?6/% RH and a thermal shrinkage factor in the transverse direction at 105° C. of ?0.5 to +1.Type: ApplicationFiled: September 16, 2004Publication date: February 10, 2005Inventors: Ieyasu Kobayashi, Shinji Muro, Hirofumi Murooka
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Publication number: 20040197509Abstract: The polyester film roll, which is free from wrinkles and slacks generated with the passage of time and is having a good roll appearance, is provided without changing the characteristics of the film.Type: ApplicationFiled: April 27, 2004Publication date: October 7, 2004Inventors: Ieyasu Kobayashi, Mitsuo Tojo, Tsuyonari Nohira, Shinji Muro, Hirofumi Murooka
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Patent number: 6773802Abstract: A biaxially oriented layered polyester film which is excellent in suitability for winding and processability while retaining the flatness of the flat surface and which gives a magnetic recording medium, especially a metal coating type high-recording-density magnetic recording medium, having excellent electromagnetic characteristics. The biaxially oriented layered polyester film comprises a second polyester layer and superposed on one side thereof a first polyester layer containing an ester of a C12 or higher aliphatic monocarboxylic acid with a polyhydric alcohol and three inert particulate materials differing in average particle diameter. In the film, one of the Young's moduli respectively in the longitudinal direction and transverse direction is 6 GPa or higher and the other is 4 GPa or higher.Type: GrantFiled: July 31, 2002Date of Patent: August 10, 2004Assignee: Teijin LimitedInventors: Ieyasu Kobayashi, Shinji Muro, Hirofumi Murooka