Patents by Inventor Shinji Kometani

Shinji Kometani 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).

  • Patent number: 9884504
    Abstract: A rear face side substrate for a thermal transfer image-receiving sheet has a first rear face side layer, a second rear face side layer, and a third rear face side layer layered in this order, wherein the first rear face side layer comprises a propylene-based polymer composition A containing at least a propylene-based polymer, the second rear face side layer comprises a propylene-based polymer composition B containing at least a propylene polymer, an antistatic agent and a masking agent, and the third rear face side layer comprises a propylene-based polymer composition (C) containing at least a propylene-based polymer, a three-dimensional center surface average roughness (SRa) of the third rear face side layer being in the range of 0.10 ?m to 1.50 ?m, and the first rear face side layer, the second rear face side layer and the third rear face side layer being biaxially oriented.
    Type: Grant
    Filed: December 9, 2014
    Date of Patent: February 6, 2018
    Assignees: Dai Nippon Printing Co., Ltd., Mitsui Chemicals Tohcello, Inc.
    Inventors: Masayuki Tani, Koji Yamamuro, Shinji Kometani, Hiroshi Honda, Tetsuji Tenma
  • Publication number: 20160303884
    Abstract: A rear face side substrate for a thermal transfer image-receiving sheet has a first rear face side layer, a second rear face side layer, and a third rear face side layer layered in this order, wherein the first rear face side layer comprises a propylene-based polymer composition A containing at least a propylene-based polymer, the second rear face side layer comprises a propylene-based polymer composition B containing at least a propylene polymer, an antistatic agent and a masking agent, and the third rear face side layer comprises a propylene-based polymer composition (C) containing at least a propylene-based polymer, a three-dimensional center surface average roughness (SRa) of the third rear face side layer being in the range of 0.10 ?m to 1.50 ?m, and the first rear face side layer, the second rear face side layer and the third rear face side layer being biaxially oriented.
    Type: Application
    Filed: December 9, 2014
    Publication date: October 20, 2016
    Applicants: Dai Nippon Printing Co., Ltd., Mitsui Chemicals Tohcello, Inc.
    Inventors: Masayuki TANI, Koji YAMAMURO, Shinji KOMETANI, Hiroshi HONDA, Tetsuji TENMA
  • Patent number: 9290007
    Abstract: The present invention is to provide a thermal transfer image receiving sheet which is able to provide excellent printing sensitivity and prevent the generation of poor image quality in high density areas and folded lines even during high speed printing, and an image forming method for forming an image on the thermal transfer image receiving sheet. Presented is a thermal transfer image receiving sheet containing a substrate and, on at least one surface of the substrate, a composite porous layer containing a thermoplastic resin, and a dye receiving layer in this order from the substrate, wherein the composite porous layer contains a porous core layer and non-porous skin layers layered on both surfaces of the porous core layer; a total thickness of the non-porous skin layers is 5 to 15% of a whole thickness of the composite porous layer; and a density of the composite porous layer is 0.65 to 0.74 g/cm3.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: March 22, 2016
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Koji Yamamuro, Masayuki Tani, Shinji Kometani
  • Publication number: 20150367651
    Abstract: The present invention is to provide a thermal transfer image receiving sheet which is able to provide excellent printing sensitivity and prevent the generation of poor image quality in high density areas and folded lines even during high speed printing, and an image forming method for forming an image on the thermal transfer image receiving sheet. Presented is a thermal transfer image receiving sheet containing a substrate and, on at least one surface of the substrate, a composite porous layer containing a thermoplastic resin, and a dye receiving layer in this order from the substrate, wherein the composite porous layer contains a porous core layer and non-porous skin layers layered on both surfaces of the porous core layer; a total thickness of the non-porous skin layers is 5 to 15% of a whole thickness of the composite porous layer; and a density of the composite porous layer is 0.65 to 0.74 g/cm3.
    Type: Application
    Filed: January 27, 2014
    Publication date: December 24, 2015
    Inventors: Koji YAMAMURO, Masayuki TANI, Shinji KOMETANI
  • Patent number: 8076265
    Abstract: It is an object of the present invention to provide a thermal transfer image-receiving sheet which solves the defects of the prior art, that is, exhibits a good slipping property between the thermal transfer image-receiving sheets in forming images and can completely prevent feeding troubles such as multi feeding particularly in a thermal transfer printer in a low temperature environment. The present invention pertains to a thermal transfer image-receiving sheet in which a receiving layer is formed on at least one side of a substrate sheet, wherein the receiving layer is formed by applying and drying a coating solution comprising a binder resin, a release agent, and a lubricant in an amount of 0.05 to 5 parts by weight with respect to 100 parts by weight of the binder resin and said lubricant is a main-chain single-end or a main-chain dual-end modified silicone oil having a viscosity of 50 to 500 mm2/s at 25° C.
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: December 13, 2011
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Masamitsu Suzuki, Shinji Kometani
  • Publication number: 20090022911
    Abstract: This invention provides a thermal transfer image receiving sheet that, in forming an image, exhibits good slip properties between thermal transfer image receiving sheets and can particularly completely prevent transfer troubles such as double feed in a thermal transfer printer particularly in a low-temperature environment. The thermal transfer image receiving sheet comprises a receptive layer provided on at least one side of a base material sheet and is characterized in that the receptive layer is formed by coating a coating liquid comprising a binder resin, a release agent, and 0.05 to 5 parts by mass, based on 100 parts by mass of the binder resin, of a lubricant and drying the coating, and the lubricant is a silicone oil, of which one end of its main chain or both ends of the main chain has been modified, having a viscosity of 50 to 500 mm2/s at 25° C.
    Type: Application
    Filed: March 20, 2006
    Publication date: January 22, 2009
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Masamitsu Suzuki, Shinji Kometani
  • Patent number: 7438959
    Abstract: The present invention aims to solve a blocking problem of an intermediate transfer recording medium and to provide an intermediate transfer recording medium having excellent separability. The intermediate transfer recording medium comprises: a sheet substrate provided with a resin layer; and a transparent sheet provided with a receptive layer. The transparent sheet provided with the receptive layer has been put on top of the sheet substrate provided with the resin layer so that the resin layer faces the transparent sheet on its side remote from the receptive layer. The resin layer is separable from the transparent sheet to transfer the transparent sheet provided with the receptive layer onto an object. The resin layer has a single layer structure or a multilayer structure of two or more layers.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: October 21, 2008
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Shinji Kometani, Masayasu Yamazaki, Masahiro Yuki
  • Publication number: 20080070125
    Abstract: Disclosed is an intermediate transfer recording medium for use in a method which comprises the steps of: forming an image using the intermediate transfer recording medium on an object; and forming a protective layer on the image. In this case, fastness properties can be fully imparted to the image, the protective layer can be transferred onto the image with high accuracy in a simple manner, blocking and the like attributable to the exposure of a pressure-sensitive adhesive do not take place, and the design and the fastness properties are excellent. An image forming method using the intermediate transfer recording medium is also disclosed.
    Type: Application
    Filed: November 5, 2007
    Publication date: March 20, 2008
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Tatsuya KITA, Hitoshi Saito, Katsuyuki Oshima, Shinji Kometani, Masayasu Yamazaki, Kouzou Odamura, Takayuki Imai, Tadahiro Ishida, Etsuo Takasaki
  • Patent number: 7151555
    Abstract: A cassette 10 for a thermal transfer sheet according to the present invention includes a core holding member 11 having a take-up core holding part 12 for holding the take-up core 2 and a feeding core holding part 13 for holding the feeding core 3, and a pair of covers 20 and 21 for respectively covering the take-up core holding part 12 and the feeding core holding part 13. A rod 30 for guiding the thermal transfer sheet 5 is disposed on the core holding member 11. The rod 30 is positioned on the opposite side of the thermal head 5b relative to the thermal transfer sheet 5, and is positioned on the side of the core holding member 11 relative to the thermal transfer sheet 5.
    Type: Grant
    Filed: July 28, 2004
    Date of Patent: December 19, 2006
    Assignee: Dai Nippon Printing Co. Ltd
    Inventors: Hidemasa Kaida, Shinji Kometani, Tatsuya Kita
  • Publication number: 20050052523
    Abstract: A cassette 10 for a thermal transfer sheet according to the present invention includes a core holding member 11 having a take-up core holding part 12 for holding the take-up core 2 and a feeding core holding part 13 for holding the feeding core 3, and a pair of covers 20 and 21 for respectively covering the take-up core holding part 12 and the feeding core holding part 13. A rod 30 for guiding the thermal transfer sheet 5 is disposed on the core holding member 11. The rod 30 is positioned on the opposite side of the thermal head 5b relative to the thermal transfer sheet 5, and is positioned on the side of the core holding member 11 relative to the thermal transfer sheet 5.
    Type: Application
    Filed: July 28, 2004
    Publication date: March 10, 2005
    Inventors: Hidemasa Kaida, Shinji Kometani, Tatsuya Kita
  • Patent number: 6855473
    Abstract: The present invention relates to a method for image formation using an intermediate transfer recording medium. An object of the present invention is to provide an intermediate transfer recording medium and a method for image formation which can yield a thermally transferred image possessing excellent various fastness properties even under severe service conditions, can transfer a protective layer onto an image on the object without transfer failure in an accurate and simple manner, and, in addition, can yield a highly lightfast image which is not deteriorated upon exposure to ultraviolet light. The intermediate transfer recording medium comprises: a sheet substrate provided with a resin layer; and a transparent sheet provided with a receptive layer, the sheet substrate provided with the resin layer having been put on top of the transparent sheet provided with the receptive layer so that the transfer sheet faces the resin layer.
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: February 15, 2005
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Kozo Odamura, Katsuyuki Oshima, Takayuki Imai, Shinji Kometani, Masayasu Yamazaki
  • Patent number: 6740622
    Abstract: A thermal transfer image-receiving sheet is provided which can realize composite recording on both sides of the thermal transfer image-receiving sheet by image formation respectively by means of a sublimation dye thermal transfer method and, in addition, by printing means different from the sublimation dye thermal transfer method. The thermal transfer image-receiving sheet comprises: a substrate; a first recording layer provided on one side of the substrate, an image being formable on the first recording layer by a sublimation dye thermal transfer method; and a second recording layer provided on the other side of the substrate and comprising a combination of two or more layers, the second recording layer permitting recording to be made by printing means other than the sublimation dye thermal transfer method, whereby composite recording can be made on both sides of the thermal transfer image-receiving sheet respectively by a plurality of types of image forming means.
    Type: Grant
    Filed: January 10, 2002
    Date of Patent: May 25, 2004
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Koji Eto, Satoshi Narita, Shinji Kometani
  • Publication number: 20030117481
    Abstract: The present invention aims to solve a blocking problem of an intermediate transfer recording medium and to provide an intermediate transfer recording medium having excellent separability. The intermediate transfer recording medium comprises: a sheet substrate provided with a resin layer; and a transparent sheet provided with a receptive layer. The transparent sheet provided with the receptive layer has been put on top of the sheet substrate provided with the resin layer so that the resin layer faces the transparent sheet on its side remote from the receptive layer. The resin layer is separable from the transparent sheet to transfer the transparent sheet provided with the receptive layer onto an object. The resin layer has a single layer structure or a multilayer structure of two or more layers.
    Type: Application
    Filed: October 4, 2002
    Publication date: June 26, 2003
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Shinji Kometani, Masayasu Yamazaki, Masahiro Yuki
  • Publication number: 20030007058
    Abstract: The present invention relates to a method for image formation using an intermediate transfer recording medium. An object of the present invention is to provide an intermediate transfer recording medium and a method for image formation which can yield a thermally transferred image possessing excellent various fastness properties even under severe service conditions, can transfer a protective layer onto an image on the object without transfer failure in an accurate and simple manner, and, in addition, can yield a highly lightfast image which is not deteriorated upon exposure to ultraviolet light. The intermediate transfer recording medium comprises: a sheet substrate provided with a resin layer; and a transparent sheet provided with a receptive layer, the sheet substrate provided with the resin layer having been put on top of the transparent sheet provided with the receptive layer so that the transfer sheet faces the resin layer.
    Type: Application
    Filed: April 12, 2002
    Publication date: January 9, 2003
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Kozo Odamura, Katsuyuki Oshima, Takayuki Imai, Shinji Kometani, Masayasu Yamazaki
  • Publication number: 20020165093
    Abstract: A thermal transfer image-receiving sheet is provided which can realize composite recording on both sides of the thermal transfer image-receiving sheet by image formation respectively by means of a sublimation dye thermal transfer method and, in addition, by printing means different from the sublimation dye thermal transfer method. The thermal transfer image-receiving sheet comprises: a substrate; a first recording layer provided on one side of the substrate, an image being formable on the first recording layer by a sublimation dye thermal transfer method; and a second recording layer provided on the other side of the substrate and comprising a combination of two or more layers, the second recording layer permitting recording to be made by printing means other than the sublimation dye thermal transfer method, whereby composite recording can be made on both sides of the thermal transfer image-receiving sheet respectively by a plurality of types of image forming means.
    Type: Application
    Filed: January 10, 2002
    Publication date: November 7, 2002
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Koji Eto, Satoshi Narita, Shinji Kometani
  • Publication number: 20020061451
    Abstract: Disclosed is an intermediate transfer recording medium for use in a method which comprises the steps of: forming an image using the intermediate transfer recording medium on an object; and forming a protective layer on the image. In this case, fastness properties can be fully imparted to the image, the protective layer can be transferred onto the image with high accuracy in a simple manner, blocking and the like attributable to the exposure of a pressure-sensitive adhesive do not take place, and the design and the fastness properties are excellent. An image forming method using the intermediate transfer recording medium is also disclosed.
    Type: Application
    Filed: September 14, 2001
    Publication date: May 23, 2002
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Tatsuya Kita, Hitoshi Saito, Katsuyuki Oshima, Shinji Kometani, Masayasu Yamazaki, Kouzou Odamura, Takayuki Imai, Tadahiro Ishida, Etsuo Takasaki
  • Publication number: 20020055434
    Abstract: A thermal transfer image receiving sheet is provided which, when used with various printers, can be carried with improved accuracy, can form an image without misregistration, can prevent a trace of a spike of a metallic roller in the printer from reaching the image receiving surface and hence can form an image having quality not significantly influenced by the trace of the spike.
    Type: Application
    Filed: October 15, 1998
    Publication date: May 9, 2002
    Inventor: SHINJI KOMETANI
  • Patent number: 6365546
    Abstract: A thermal transfer image receiving sheet is provided which, when used with various printers, can be carried with improved accuracy, can form an image without misregistration, can prevent a trace of a spike of a metallic roller in the printer from reaching the image receiving surface and hence can form an image having quality not significantly influenced by the trace of the spike. The thermal transfer image receiving sheet 1 comprises a substrate 3, a receptive layer 4 provided on at least one side of the substrate 3, and a grip layer 2 provided on the other side of the substrate 3. In this case, the grip layer 2 is constituted by an unstretched synthetic resin layer having a softening point of 110° C. or above. This constitution permits a spike of a metallic roller in a printer to satisfactorily bite the unstretched synthetic resin layer having a softening point of 110° C. or above as the grip layer 2.
    Type: Grant
    Filed: October 15, 1998
    Date of Patent: April 2, 2002
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventor: Shinji Kometani
  • Patent number: 6352957
    Abstract: A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of the substrate sheet and a dye-unreceptive layer provided on the other surface of the substrate sheet, the dye-unreceptive layer comprising a composition composed mainly of at least one thermoplastic resin having at least one reactive functional group and an isocyanate compound or a chelate compound. A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of the substrate sheet and a dye-unreceptive layer provided on the other surface of the substrate sheet, the dye-unreceptive layer comprising a release agent which is the same as that contained in the dye-receptive layer or does not migrate to other places, for example, comprises an amino-modified silicone and an epoxy-modified silicone or a product of a reaction of both of them, or an addition-polymerizable silicone or a cured product obtained by a reaction thereof.
    Type: Grant
    Filed: March 18, 1999
    Date of Patent: March 5, 2002
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Shino Takao, Shinji Kometani, Hitoshi Saito
  • Publication number: 20010016557
    Abstract: A thermal transfer image-receiving sheet comprising a substrate sheet, a dye-receptive layer provided on one surface of the substrate sheet and a dye-unreceptive layer provided on the other surface of the substrate sheet, the dye-unreceptive layer comprising a composition composed mainly of at least one thermoplastic resin having at least one reactive functional group and an isocyanate compound or a chelate compound.
    Type: Application
    Filed: March 18, 1999
    Publication date: August 23, 2001
    Applicant: DAI NIPPON PRINTING CO., LTD
    Inventors: SHINO TAKAO, SHINJI KOMETANI, HITOSHI SAITO