Patents by Inventor Yoko Hirai
Yoko Hirai 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: 9914317Abstract: There is provided a heat-sensitive transfer recording medium which is able to better suppress the occurrence of abnormal transfer during high-speed printing using a high-speed printer of sublimation transfer type and is able to improve transfer sensitivity in high-speed printing. The heat-sensitive transfer recording medium includes a base (10), a heat-resistant lubricating layer (20) formed on one surface of the base (10), an underlying layer (30) formed on the other surface of the base (10), and a dye layer (40) formed on a surface of the underlying layer (30), which is on the other side of a surface facing the base (10). In the heat-sensitive transfer recording medium, the underlying layer (30) has a major component that is a copolymer of polyester having a sulfonic group on a side chain and acrylic having at least one of a glycidyl group and a carboxyl group.Type: GrantFiled: September 28, 2016Date of Patent: March 13, 2018Assignee: TOPPAN PRINTING CO., LTD.Inventors: Godai Fukunaga, Yasunori Ono, Takehito Yamato, Yasuhiro Miyauchi, Yoko Hirai
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Patent number: 9878566Abstract: There is provided a heat-sensitive transfer recording medium which is able to better suppress the occurrence of abnormal transfer during high-speed printing using a high-speed printer of sublimation transfer type and is able to improve transfer sensitivity in high-speed printing. The heat-sensitive transfer recording medium includes a base (10), a heat-resistant lubricating layer (20) formed on one surface of the base (10), an underlying layer (30) formed on the other surface of the base (10), and a dye layer (40) formed on a surface of the underlying layer (30), which is on the other side of a surface facing the base (10). In the heat-sensitive transfer recording medium, the underlying layer (30) has a major component that is a copolymer of polyester having a sulfonic group on a side chain and acrylic having at least one of a glycidyl group and a carboxyl group.Type: GrantFiled: January 26, 2015Date of Patent: January 30, 2018Assignee: TOPPAN PRINTING CO., LTD.Inventors: Godai Fukunaga, Yasunori Ono, Takehito Yamato, Yasuhiro Miyauchi, Yoko Hirai
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Publication number: 20170015126Abstract: There is provided a heat-sensitive transfer recording medium which is able to better suppress the occurrence of abnormal transfer during high-speed printing using a high-speed printer of sublimation transfer type and is able to improve transfer sensitivity in high-speed printing. The heat-sensitive transfer recording medium includes a base (10), a heat-resistant lubricating layer (20) formed on one surface of the base (10), an underlying layer (30) formed on the other surface of the base (10), and a dye layer (40) formed on a surface of the underlying layer (30), which is on the other side of a surface facing the base (10). In the heat-sensitive transfer recording medium, the underlying layer (30) has a major component that is a copolymer of polyester having a sulfonic group on a side chain and acrylic having at least one of a glycidyl group and a carboxyl group.Type: ApplicationFiled: September 28, 2016Publication date: January 19, 2017Applicant: TOPPAN PRINTING CO., LTD.Inventors: Godai FUKUNAGA, Yasunori ONO, Takehito YAMATO, Yasuhiro MIYAUCHI, Yoko HIRAI
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Patent number: 9493023Abstract: The heat-sensitive transfer recording medium of the invention is such that an equilibrium moisture absorption rate at 23° C./50% of an undercoating layer containing a water-soluble polymer as a main component is about 15% or less, preferably 13% or less, and more preferably, a mean value (?) of the surface roughness (root mean square deviation Sq) of the heat-resistant lubricating layer is about 0.05-0.40 ?m, a mean value (?) of the surface roughness (root mean square deviation Sq) of the heat-resistant lubricating layer after being allowed to stand for 10 minutes at 150° C. is about 0.00-0.70 ?m, and a difference between the mean value (?) and the mean value (?) is about 0.00-0.30 ?m.Type: GrantFiled: July 31, 2014Date of Patent: November 15, 2016Assignee: TOPPAN PRINTING CO., LTD.Inventors: Godai Fukunaga, Takehito Yamato, Yasuo Sugishita, Yoko Hirai
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Patent number: 9269741Abstract: The present invention provides a production method of a radiation image detector, comprising a scintillator panel preparation step, a composite rigid plate preparation step of bonding a flexible polymer film to a rigid plate with an adhesive to prepare the composite rigid plate, a preparation step of a scintillator panel provided with a composite rigid plate of bonding the composite rigid plate to a scintillator panel to prepare the scintillator panel provided with a composite rigid plate, and a preparation step of a radiation image detection member of opposing the surface of the photoelectric conversion base plate in which the photoelectric conversion elements are disposed to the surface of the side of the scintillator layer of the scintillator panel provided with the composite rigid plate and bonding the photoelectric conversion base plate to the scintillator panel to prepare a radiation image detection member; whereby there are provided a production method of a radiation image detector which can be easilyType: GrantFiled: February 18, 2011Date of Patent: February 23, 2016Assignee: KONICA MINOLTA MEDICAL & GRAPHIC, INC.Inventors: Koji Furui, Yoko Hirai
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Patent number: 9174478Abstract: There is provided a thermal transfer recording medium capable of obtaining high transfer sensitivity during high-speed printing, that is, decreasing the amount of a dye used in a dye layer; and preventing abnormal transfer during printing even after storage in a high-temperature and high-humidity environment. The thermal transfer recording medium (1) contains: a heat-resistant sliding layer (40) that is formed on one surface of a substrate (10); and an undercoat layer (20) and a dye layer (30) that are sequentially laminated on the other surface of the substrate (10), in which the undercoat layer (20) contains, as major components, a polyvinyl pyrrolidone and a polyvinyl alcohol having a crystallinity degree of 15% or higher, and the dye layer (30) contains an anthraquinone-based thermal transfer dye.Type: GrantFiled: September 14, 2012Date of Patent: November 3, 2015Assignee: Toppan Printing Co., Ltd.Inventors: Godai Fukunaga, Makiko Nitanai, Yasuo Sugishita, Junichi Arai, Yoko Hirai, Emi Ando
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Publication number: 20150132510Abstract: There is provided a heat-sensitive transfer recording medium which is able to better suppress the occurrence of abnormal transfer during high-speed printing using a high-speed printer of sublimation transfer type and is able to improve transfer sensitivity in high-speed printing. The heat-sensitive transfer recording medium includes a base (10), a heat-resistant lubricating layer (20) formed on one surface of the base (10), an underlying layer (30) formed on the other surface of the base (10), and a dye layer (40) formed on a surface of the underlying layer (30), which is on the other side of a surface facing the base (10). In the heat-sensitive transfer recording medium, the underlying layer (30) has a major component that is a copolymer of polyester having a sulfonic group on a side chain and acrylic having at least one of a glycidyl group and a carboxyl group.Type: ApplicationFiled: January 26, 2015Publication date: May 14, 2015Inventors: Godai FUKUNAGA, Yasunori Ono, Takehito Yamato, Yasuhiro Miyauchi, Yoko Hirai
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Publication number: 20140356556Abstract: There is provided a thermal transfer recording medium capable of obtaining high transfer sensitivity during high-speed printing, that is, decreasing the amount of a dye used in a dye layer; and preventing abnormal transfer during printing even after storage in a high-temperature and high-humidity environment. The thermal transfer recording medium (1) contains: a heat-resistant sliding layer (40) that is formed on one surface of a substrate (10); and an undercoat layer (20) and a dye layer (30) that are sequentially laminated on the other surface of the substrate (10), in which the undercoat layer (20) contains, as major components, a polyvinyl pyrrolidone and a polyvinyl alcohol having a crystallinity degree of 15% or higher, and the dye layer (30) contains an anthraquinone-based thermal transfer dye.Type: ApplicationFiled: September 14, 2012Publication date: December 4, 2014Inventors: Godai Fukunaga, Makiko Nitanai, Yasuo Sugishita, Junichi Arai, Yoko Hirai, Emi Ando
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Publication number: 20140340459Abstract: The heat-sensitive transfer recording medium of the invention is such that an equilibrium moisture absorption rate at 23° C./50% of an undercoating layer containing a water-soluble polymer as a main component is about 15% or less, preferably 13% or less, and more preferably, a mean value (?) of the surface roughness (root mean square deviation Sq) of the heat-resistant lubricating layer is about 0.05-0.40 ?m, a mean value (?) of the surface roughness (root mean square deviation Sq) of the heat-resistant lubricating layer after being allowed to stand for 10 minutes at 150° C. is about 0.00-0.70 ?m, and a difference between the mean value (?) and the mean value (?) is about 0.00-0.30 ?m.Type: ApplicationFiled: July 31, 2014Publication date: November 20, 2014Inventors: Godai FUKUNAGA, Takehito Yamato, Yasuo Sugishita, Yoko Hirai
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Publication number: 20130154039Abstract: The present invention provides a production method of a radiation image detector, comprising a scintillator panel preparation step, a composite rigid plate preparation step of bonding a flexible polymer film to a rigid plate with an adhesive to prepare the composite rigid plate, a preparation step of a scintillator panel provided with a composite rigid plate of bonding the composite rigid plate to a scintillator panel to prepare the scintillator panel provided with a composite rigid plate, and a preparation step of a radiation image detection member of opposing the surface of the photoelectric conversion base plate in which the photoelectric conversion elements are disposed to the surface of the side of the scintillator layer of the scintillator panel provided with the composite rigid plate and bonding the photoelectric conversion base plate to the scintillator panel to prepare a radiation image detection member; whereby there arc provided a production method of a radiation image detector which can he easilyType: ApplicationFiled: February 18, 2011Publication date: June 20, 2013Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.Inventors: Koji Furui, Yoko Hirai
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Publication number: 20110121185Abstract: There is disclosed a radiation image detecting apparatus which has achieved enhanced moisture resistance of a scintillator and enhanced image quality such as sharpness of a radiation image. The radiation image detecting apparatus is provided with a scintillator panel comprising a phosphor layer on a substrate and a photoelectric conversion panel, in which the scintillator panel is held between the photoelectric conversion panel and an opposed base material, and the periphery of the photoelectric conversion panel adheres to the periphery of the opposed base material with an adhesive, and pressure of a gas in the space between the photoelectric conversion panel and the opposed base material being lower than an atmospheric pressure.Type: ApplicationFiled: February 26, 2009Publication date: May 26, 2011Inventors: Yoko Hirai, Takehiko Shoji, Takafumi Yanagita
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Patent number: 7879808Abstract: An objective of the present invention is to provide compounds of formula (1) or their pharmacologically acceptable salts or solvates wherein A represents aryl; R1 represents N-optionally substituted C1-6 alkyl-N-optionally substituted C1-6 alkylamino-C1-6 alkyl; R2 represents a hydrogen atom or optionally substituted C1-6 alkyl; R3 represents optionally substituted C1-6 alkyl or C3-6 cycloalkyl-C1-4 alkyl; m is 1 to 3; n is 0; and p is 0 to 2. The compounds are novel lincomycin derivatives that have a potent activity against resistant Streptococcus pneumoniae, which have recently posed problems, in the treatment of infectious diseases. Further, the compounds are usable as antimicrobial agents and are useful for preventing or treating bacterial infectious diseases.Type: GrantFiled: May 30, 2008Date of Patent: February 1, 2011Assignee: Meiji Seika Kaisha, Ltd.Inventors: Yoshinari Wakiyama, Kou Kumura, Satomi Masaki, Kazutaka Ueda, Yasuo Sato, Chika Kikuchi, Eijirou Umemura, Yoko Hirai, Hiroshi Kondo
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Publication number: 20100210570Abstract: An objective of the present invention is to provide compounds of formula (1) or their pharmacologically acceptable salts or solvates wherein A represents aryl; R1 represents N-optionally substituted C1-6 alkyl-N-optionally substituted C1-6 alkylamino-C1-6 alkyl; R2 represents a hydrogen atom or optionally substituted C1-6 alkyl; R3 represents optionally substituted C1-6 alkyl or C3-6 cycloalkyl-C1-4 alkyl; m is 1 to 3; n is 0; and p is 0 to 2. The compounds are novel lincomycin derivatives that have a potent activity against resistant Streptococcus pneumoniae, which have recently posed problems, in the treatment of infectious diseases. Further, the compounds are usable as antimicrobial agents and are useful for preventing or treating bacterial infectious diseases.Type: ApplicationFiled: May 30, 2008Publication date: August 19, 2010Inventors: Yoshinari Wakiyama, Kou Kumura, Satomi Masaki, Kazutaka Ueda, Yasuo Sato, Chika Kikuchi, Eijirou Umemura, Yoko Hirai, Hiroshi Kondo
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Publication number: 20100086795Abstract: Disclosed is radiation image conversion panel exhibiting excellent luminance moisture resistance (excellent durability during storage specifically at high temperature and high humidity).Type: ApplicationFiled: March 6, 2008Publication date: April 8, 2010Applicant: Konica Minolta Medical & Graphic, Inc.Inventor: Yoko Hirai
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Publication number: 20080157003Abstract: A radiation image conversion panel containing: (a) a quadrilateral phosphor plate containing a substrate having thereon a phosphor layer; and (b) a barrier film which envelops the phosphor plate by being folded back so that the barrier film faces itself and forms an envelop which is folded on one side and sealed on the other three sides, wherein the barrier film contains two cover sheets and a cushion layer sandwiched between the cover sheets.Type: ApplicationFiled: December 19, 2007Publication date: July 3, 2008Applicant: KONICA MINOLTA MEDICAL & GRAPHIC, INC.Inventor: Yoko HIRAI
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Patent number: 7360885Abstract: An ink-jet printer for applying a photocurable ink, including: an ink-jet head having a plurality of nozzles to jet droplets of the photocurable ink onto a recording material; a ultraviolet ray radiation source; and a heating device for the recording material, wherein the radiation source produces an integrated illuminance of 0.5 to 80 mW/cm2 on the recording material in the range of 200 to 400 nm.Type: GrantFiled: October 10, 2003Date of Patent: April 22, 2008Assignee: Konica Minolta Holdings, Inc.Inventor: Yoko Hirai
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Patent number: 7056559Abstract: A photocurable ink for ink-jet recording, comprising an oxetane compound having a substituent at the 2-position of the molecule.Type: GrantFiled: August 21, 2003Date of Patent: June 6, 2006Assignee: Konica CorporationInventors: Atsushi Nakajima, Nobumasa Sasa, Yoko Hirai, Ai Kondo
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Patent number: 7048368Abstract: An ink-jet image forming method including: jetting ultraviolet ray-curable ink from an ink-jet head onto a recording substrate while conveying the recording substrate; and exposing the jetted ink on the recording substrate to ultraviolet rays irradiated by an ultraviolet ray-emitting light source, wherein in the exposing step, a surface temperature of the ultraviolet ray-emitting light source is not more that 60° C.Type: GrantFiled: July 11, 2003Date of Patent: May 23, 2006Assignee: Konica CorporationInventor: Yoko Hirai
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Patent number: 7014310Abstract: The present invention relates to an inkjet image forming method including: jetting an ink hardenable by an irridation of an active ray from an inkjet head on a recording material while conveying the recording material; and irridating the active ray on the jetted recording material, wherein a total of the input electric power of a light source of the active ray of light is 0.05–20 W/cm, and the inkjet head have plural nozzles arrayed in a direction perpendicular to a direction, which the recording material is conveyed.Type: GrantFiled: March 20, 2003Date of Patent: March 21, 2006Assignee: Konica CorporationInventor: Yoko Hirai
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Patent number: 6846074Abstract: The invention relates to an ink-jet image forming method including: jetting UV-hardenable ink onto a substrate; and irradiating UV light to the jetted UV-hardenable ink on the substrate with a UV light source to form an image, wherein an ozone concentration above an irradiated surface of the substrate during the irradiating step is not more than 5 ppm by volume.Type: GrantFiled: June 2, 2003Date of Patent: January 25, 2005Inventor: Yoko Hirai