Patents by Inventor Chikara Tsukada
Chikara Tsukada 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: 8043994Abstract: The present invention provides a thermal transfer receiving sheet obtained by sequentially forming a hollow particle-containing intermediate layer and an image receiving layer on one surface of a sheet-like support mainly comprising cellulose pulp, wherein the moisture content of the entire thermal transfer receiving sheet is from 2 to 8 mass % and the moisture permeability of the entire receiving sheet is 400 g/m2·day or less; and a production method thereof. The present invention further provides a thermal transfer receiving sheet obtained by sequentially forming a hollow particle-containing intermediate layer and an image receiving layer on one surface of a sheet-like support mainly comprising cellulose pulp and providing a backside layer on another surface of the support, wherein the backside layer mainly comprises an acryl-based resin having a glass transition point (Tg) of 45° C.Type: GrantFiled: July 7, 2010Date of Patent: October 25, 2011Assignee: Oji Paper Co., Ltd.Inventors: Toshikazu Onishi, Toru Nakai, Kazuyuki Tachibana, Kyoko Uchida, Yoshimasa Tanaka, Yoshihiro Shimizu, Hideaki Shinohara, Masato Kawamura, Chikara Tsukada
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Publication number: 20100279034Abstract: The present invention provides a thermal transfer receiving sheet obtained by sequentially forming a hollow particle-containing intermediate layer and an image receiving layer on one surface of a sheet-like support mainly comprising cellulose pulp, wherein the moisture content of the entire thermal transfer receiving sheet is from 2 to 8 mass % and the moisture permeability of the entire receiving sheet is 400 g/m2·day or less; and a production method thereof. The present invention further provides a thermal transfer receiving sheet obtained by sequentially forming a hollow particle-containing intermediate layer and an image receiving layer on one surface of a sheet-like support mainly comprising cellulose pulp and providing a backside layer on another surface of the support, wherein the backside layer mainly comprises an acryl-based resin having a glass transition point (Tg) of 45° C.Type: ApplicationFiled: July 7, 2010Publication date: November 4, 2010Applicant: Oji Paper Co., Ltd.Inventors: Toshikazu Onishi, Toru Nakai, Kazuyuki Tachibana, Kyoko Uchida, Yoshimasa Tanaka, Yoshihiro Shimizu, Hideaki Shinohara, Masato Kawamura, Chikara Tsukada
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Patent number: 7795177Abstract: The present invention provides a thermal transfer receiving sheet obtained by sequentially forming a hollow particle-containing intermediate layer and an image receiving layer on one surface of a sheet-like support mainly comprising cellulose pulp, wherein the moisture content of the entire thermal transfer receiving sheet is from 2 to 8 mass % and the moisture permeability of the entire receiving sheet is 400 g/m2·day or less; and a production method thereof. The present invention further provides a thermal transfer receiving sheet obtained by sequentially forming a hollow particle-containing intermediate layer and an image receiving layer on one surface of a sheet-like support mainly comprising cellulose pulp and providing a backside layer on another surface of the support, wherein the backside layer mainly comprises an acryl-based resin having a glass transition point (Tg) of 45° C.Type: GrantFiled: July 7, 2005Date of Patent: September 14, 2010Assignee: Oji Paper Co., Ltd.Inventors: Toshikazu Onishi, Toru Nakai, Kazuyuki Tachibana, Kyoko Uchida, Yoshimasa Tanaka, Yoshihiro Shimizu, Hideaki Shinohara, Masato Kawamura, Chikara Tsukada
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Thermal transfer receiving sheet, production method thereof and image forming method using the sheet
Patent number: 7745374Abstract: A thermal transfer receiving sheet comprising a sheet-like support having sequentially formed on at least one surface thereof a hollow particle-containing intermediate layer and an image receiving layer, wherein the hollow particles have an average particle diameter of 0.2 to 35 ?m and a hollow percentage by volume of 30 to 97% and the printing smoothness (Rp value) on the surface of the thermal transfer receiving sheet, as measured by using a Microtopograph under an applied pressure of 0.1 MPa 10 m-seconds after the initiation of pressure application, is 1.5 ?m or less. A production method of the thermal transfer receiving sheet is also provided.Type: GrantFiled: August 4, 2004Date of Patent: June 29, 2010Assignee: Oji Paper Co., Ltd.Inventors: Yoshimasa Tanaka, Masato Kawamura, Chikara Tsukada, Kyoko Uchida, Toshikazu Onishi, Toru Nakai, Kazuyuki Tachibana, Hideaki Shinohara -
Patent number: 7638462Abstract: A thermal transfer receiving sheet having laminated, on one side of its support, an intermediate layer, a barrier layer and an image receiving layer in this order, wherein said intermediate layer comprises hollow particles, and said barrier layer comprises a polyvinyl alcohol derivative, and comprises, as further main components, a resin or a mixture of two or more resins selected from the group consisting of a styrene-maleic acid copolymer, a styrene-acrylic copolymer, an acrylic acid ester polymer and polyester, or wherein said barrier layer comprises, as main components, an ethylene vinyl alcohol copolymer and polyurethane.Type: GrantFiled: May 17, 2005Date of Patent: December 29, 2009Assignee: OJI Paper Co., Ltd.Inventors: Masato Kawamura, Yoshimasa Tanaka, Toshikazu Onishi, Kyoko Uchida, Chikara Tsukada, Toru Nakai, Kazuyuki Tachibana, Yoshihiro Shimizu, Yoshio Mizuhara, Hideaki Shinohara, Hisayoshi Mito
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Publication number: 20090098364Abstract: A biaxially oriented laminated polypropylene film comprising a biaxially oriented polypropylene film substrate layer (B) made from a propylene-based polymer composition (A) in which an inorganic compound powder (a2) has been added to a propylene-based polymer (a1), the biaxially oriented polypropylene film substrate layer (B) has a front surface layer and a back surface layer on its both sides, both layers are made from the propylene-based polymer (a1), wherein the surface roughness (three-dimensional center-line roughness SRa) of the front and the back surface layers is less than 0.08 ?m and the gloss value (at an incidence angle of 60 degrees) is 114% or greater, and the total light transmittance of the laminated polypropylene film is 20% or less and the density is in the range of 0.40 to 0.65 g/cm3.Type: ApplicationFiled: May 12, 2006Publication date: April 16, 2009Applicants: OJI PAPER CO., LTD., TOHCELLO CO., LTD.Inventors: Hiroshi Honda, Chikara Tsukada, Naoki Kubo, Yoshihiro Shimizu
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Publication number: 20080299334Abstract: A thermal transfer receiving sheet in which at least a low-density layer, barrier layer and image receiving layer are sequentially laminated on one side of a sheet-like support, wherein the low-density layer contains hollow particles, a hydrophobic resin adhesive and a hydrophilic resin adhesive, the hydrophobic resin adhesive is at least one type selected from the group consisting of acrylic acid ester-acrylonitrile copolymer, methacrylic acid ester-acrylonitrile copolymer, styrene-butadiene copolymer, butadiene-acrylonitrile copolymer, styrene-butadiene-acrylonitrile copolymer and polybutadiene, the glass transition temperature in accordance with JIS K 7121 is between ?90 and 10° C., and the weight ratio between the hydrophobic resin adhesive and the hydrophilic resin adhesive is between 95/5 and 65/35.Type: ApplicationFiled: June 4, 2008Publication date: December 4, 2008Applicant: OJI PAPER CO., LTD.Inventors: Chikara Tsukada, Masanori Ohashi, Toru Nakai, Kazuyuki Tachibana, Noriyuki Fujii, Mitsuru Tsunoda, Naoki Kubo
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Publication number: 20080220191Abstract: There is provided a thermal transfer receiving sheet comprising a sheet-like support and an image receiving layer formed on at least one side of the sheet-like support, wherein the image receiving layer contains a polyester resin with a branched structure obtained by polycondensation of a polyhydric carboxylic acid component and a polyhydric alcohol component, and 30-75 mol % of the polyhydric carboxylic acid component is an aromatic dicarboxylic acid while 15-60 mol % is an alicyclic dicarboxylic acid.Type: ApplicationFiled: April 10, 2006Publication date: September 11, 2008Applicant: OJI PAPER CO., LTD.Inventors: Masato Kawamura, Chikara Tsukada, Toshikazu Onishi, Naoki Kubo
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Publication number: 20080085831Abstract: A thermal transfer receiving sheet having laminated, on one side of its support, an intermediate layer, a barrier layer and an image receiving layer in this order, wherein said intermediate layer comprises hollow particles, and said barrier layer comprises a polyvinyl alcohol derivative, and comprises, as further main components, a resin or a mixture of two or more resins selected from the group consisting of a styrene-maleic acid copolymer, a styrene-acrylic copolymer, an acrylic acid ester polymer and polyester, or wherein said barrier layer comprises, as main components, an ethylene vinyl alcohol copolymer and polyurethane.Type: ApplicationFiled: May 17, 2005Publication date: April 10, 2008Applicant: OJI PAPER CO., LTD.Inventors: Masato Kawamura, Yoshimasa Tanaka, Toshikazu Onishi, Kyoko Uchida, Chikara Tsukada, Toru Nakai, Kazuyuki Tachibana, Yoshihiro Shimizu, Yoshio Mizuhara, Hideaki Shinohara, Hisayoshi Mito
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Patent number: 7344764Abstract: There is provided a thermal transfer receiving sheet comprising a substrate, a barrier layer laminated on said substrate, and an image receiving layer laminated on said barrier layer, wherein said barrier layer and said image receiving layer are laminated on at least one side of said substrate, characterized in that the major components of said barrier layer are a swellable lamellar inorganic component and an adhesive, wherein said swellable lamellar inorganic component has a mean particle diameter of at least 0.1 ?m and not greater than 100 ?m, and an aspect ratio (ratio of mean particle diameter to thickness of the lamellar composite) of at least 100 and not greater than 5000.Type: GrantFiled: March 3, 2004Date of Patent: March 18, 2008Assignee: OJI Paper Co., Ltd.Inventors: Chikara Tsukada, Masato Kawamura, Hideaki Shinohara
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Thermal Transfer Receiving Sheet, Production Method Thereof and Image Forming Method Using the Sheet
Publication number: 20080063817Abstract: A thermal transfer receiving sheet comprising a sheet-like support having sequentially formed on at least one surface thereof a hollow particle-containing intermediate layer and an image receiving layer, wherein the hollow particles have an average particle diameter of 0.2 to 35 ?m and a hollow percentage by volume of 30 to 97% and the printing smoothness (Rp value) on the surface of the thermal transfer receiving sheet, as measured by using a Microtopograph under an applied pressure of 0.1 MPa 10 m-seconds after the initiation of pressure application, is 1.5 ?m or less. A production method of the thermal transfer receiving sheet is also provided.Type: ApplicationFiled: August 4, 2004Publication date: March 13, 2008Inventors: Yoshimasa Tanaka, Masato Kawamura, Chikara Tsukada, Kyoko Uchida, Toshikazu Onishi, Toru Nakai, Kazuyuki Tachibana, Hideaki Shinohara -
Publication number: 20080020196Abstract: The present invention provides a thermal transfer receiving sheet obtained by sequentially forming a hollow particle-containing intermediate layer and an image receiving layer on one surface of a sheet-like support mainly comprising cellulose pulp, wherein the moisture content of the entire thermal transfer receiving sheet is from 2 to 8 mass % and the moisture permeability of the entire receiving sheet is 400 g/m2·day or less; and a production method thereof. The present invention further provides a thermal transfer receiving sheet obtained by sequentially forming a hollow particle-containing intermediate layer and an image receiving layer on one surface of a sheet-like support mainly comprising cellulose pulp and providing a backside layer on another surface of the support, wherein the backside layer mainly comprises an acryl-based resin having a glass transition point (Tg) of 45° C.Type: ApplicationFiled: July 7, 2005Publication date: January 24, 2008Applicant: OJI Paper Co., Ltd.Inventors: Toshikazu Onishi, Toru Nakai, Kazuyuki Tachibana, Kyoko Uchida, Yoshimasa Tanaka, Yoshihiro Shimizu, Hideaki Shinohara, Masato Kawamura, Chikara Tsukada
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Publication number: 20060194003Abstract: There is provided a thermal transfer receiving sheet comprising a substrate, a barrier layer laminated on said substrate, and an image receiving layer laminated on said barrier layer, wherein said barrier layer and said image receiving layer are laminated on at least one side of said substrate, characterized in that the major components of said barrier layer are a swellable lamellar inorganic component and an adhesive, wherein said swellable lamellar inorganic component has a mean particle diameter of at least 0.1 ?m and not greater than 100 ?m, and an aspect ratio (ratio of mean particle diameter to thickness of the lamellar composite) of at least 100 and not greater than 5000.Type: ApplicationFiled: March 3, 2004Publication date: August 31, 2006Inventors: Chikara Tsukada, Masato Kawamura, Hideaki Shinohara