Patents by Inventor Yoshio Mizuhara
Yoshio Mizuhara 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: 10982118Abstract: The present invention provides a release film having good releasability such that a release force is light, and also suppresses silicone transfer from the film surface. The present invention relates to a release film having a surface layer on a substrate layer, in which a main component of the surface layer is a resin component, the resin component contains a modified acrylic-based resin having a polysiloxane component, and a relationship between a ratio MT of a content of silicon to a content of all elements existing on an outermost surface of the surface layer and a ratio MB of a content of silicon to a content of all elements existing at a position in a depth of 10 nm from the outermost surface of the surface layer vertically toward the substrate layer satisfies (i) 5?MT/MB?30 or (ii) MB=0, and 8.5?MT?30.Type: GrantFiled: February 14, 2018Date of Patent: April 20, 2021Assignee: OJI HOLDINGS CORPORATIONInventors: Hiroaki Ueda, Yoshio Mizuhara, Takuji Nakagawa
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Publication number: 20190390088Abstract: The present invention provides a release film having good releasability such that a release force is light, and also suppresses silicone transfer from the film surface. The present invention relates to a release film having a surface layer on a substrate layer, in which a main component of the surface layer is a resin component, the resin component contains a modified acrylic-based resin having a polysiloxane component, and a relationship between a ratio MT of a content of silicon to a content of all elements existing on an outermost surface of the surface layer and a ratio MB of a content of silicon to a content of all elements existing at a position in a depth of 10 nm from the outermost surface of the surface layer vertically toward the substrate layer satisfies (i) 5?MT/MB?30 or (ii) MB=0, and 8.5?MT?30.Type: ApplicationFiled: February 14, 2018Publication date: December 26, 2019Inventors: Hiroaki UEDA, Yoshio MIZUHARA, Takuji NAKAGAWA
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Patent number: 8283288Abstract: The present invention provides a thermal transfer receiving sheet comprising a sheet-like support, an image receiving layer containing, as a main component, a dye-dyeable resin formed on one surface of the sheet-like support, and a back surface coating layer containing an adhesive resin formed on the other surface of the sheet-like support, wherein the back surface coating layer contains a polyvinyl pyrrolidone resin in an amount of 1 to 50% by weight based on the total solid content of the back surface coating layer.Type: GrantFiled: January 20, 2006Date of Patent: October 9, 2012Assignee: Oji Paper Co., Ltd.Inventors: Hideaki Shinohara, Yoshihiro Shimizu, Yoshio Mizuhara, Mitsuru Tsunoda
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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: 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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Publication number: 20080008896Abstract: The present invention provides a thermal transfer receiving sheet comprising a sheet-like support, an image receiving layer containing, as a main component, a dye-dyeable resin formed on one surface of the sheet-like support, and a back surface coating layer containing an adhesive resin formed on the other surface of the sheet-like support, wherein the back surface coating layer contains a polyvinyl pyrrolidone resin in an amount of 1 to 50% by weight based on the total solid content of the back surface coating layer.Type: ApplicationFiled: January 20, 2006Publication date: January 10, 2008Applicant: Oji Paper Co., Ltd.Inventors: Hideaki Shinohara, Yoshihiro Shimizu, Yoshio Mizuhara, Mitsuru Tsunoda
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Publication number: 20070252887Abstract: A printing method for a thermal transfer receiving sheet in which an image is formed on an image transfer layer of the receiving sheet by superimposing the sheet onto a dye thermal transfer sheet and applying thereto heat from a thermal head of a thermal transfer printer; wherein, the thermal transfer printer has a thermal head and a platen roller in opposition thereto, and the following requirements (1) and (2) are satisfied simultaneously: (1) the ratio (L/R) of the length of the entire thermal transfer receiving sheet (L) to the radius (R) of the platen roller of the printer is 0.01 to 0.07; and, (2) after a thermal transfer image has been formed on the image receiving layer by the thermal head, the thermal transfer receiving sheet is transported by the back side thereof being wound onto the surface of the platen roller, and the winding angle is 2 to 25°.Type: ApplicationFiled: June 14, 2005Publication date: November 1, 2007Applicant: OJI PAPER CO., LTD.Inventors: Yoshio Mizuhara, Yoshimasa Tanaka, Kazuyuki Tachibana, Yoshihiro Shimizu, Hideaki Shinohara
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Patent number: 7041349Abstract: A thermal transfer image recording composite sheet has a lamination structure: (2) image receiving sheet section (including image receiving layer (D), image recording sheet substrate (C) and adhesive layer (E)) and (1) release sheet section (including release layer (B) and release sheet substrate (A)), and exhibits, as a whole, a compressive modulus of 50 MPa or less, wherein, the substrate (C) is constituted from (a) an upper oriented porous polyester film layer bonded to the image receiving layer (D) and (b) a lower oriented porous polymer film layer, the polymer of which is different from polyester of the layer (a), laminated on the upper film layer (a) and bonded to the adhesive layer (E), or the adhesive layer (E) comprises, together with an adhesive agent, a plurality of hollow particles each formed from a hollow core portion and a shell portion and has an average particle size of 0.Type: GrantFiled: June 6, 2003Date of Patent: May 9, 2006Assignee: OJI Paper Co., Ltd.Inventors: Yoshimasa Tanaka, Yoshio Mizuhara, Shigeru Nagashima, Yoshihiro Shimizu, Hideaki Shinohara
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Patent number: 6699817Abstract: A thermal transfer recording sheet having a high resistance to denting due to the nipping pressure and/or thermal printing pressure has a substrate sheet including a core sheet and polyester films laminated on the two surfaces of the core sheet and an image receiving layer formed on a surface of the substrate sheet and containing a dyeable polymeric material, and exhibits a compression modulus of 50 MPa or less.Type: GrantFiled: March 5, 2002Date of Patent: March 2, 2004Assignee: Oji Paper Co., Ltd.Inventors: Yoshio Mizuhara, Yoshihiro Shimizu, Shigeru Nagashima, Yoshimasa Tanaka, Kazuyuki Tachibana
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Publication number: 20030228430Abstract: A thermal transfer image recording composite sheet has a lamination structure: (2) image receiving sheet section (including image receiving layer (D), image recording sheet substrate (C) and adhesive layer (E)) and (1) release sheet section (including release layer (B) and release sheet substrate (A)), and exhibits, as a whole, a compressive modulus of 50 MPa or less, wherein, the substrate (C) is constituted from (a) an upper oriented porous polyester film layer bonded to the image receiving layer (D) and (b) a lower oriented porous polymer film layer, the polymer of which is different from polyester of the layer (a), laminated on the upper film layer (a) and bonded to the adhesive layer (E), or the adhesive layer (E) comprises, together with an adhesive agent, a plurality of hollow particles each formed from a hollow core portion and a shell portion and has an average particle size of 0.Type: ApplicationFiled: June 6, 2003Publication date: December 11, 2003Applicant: OJI PAPER CO., LTD.Inventors: Yoshimasa Tanaka, Yoshio Mizuhara, Shigeru Nagashima, Yoshihiro Shimizu, Hideaki Shinohara
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Publication number: 20030003276Abstract: A thermal transfer recording sheet having a high resistance to denting due to the nipping pressure and/or thermal printing pressure has a substrate sheet including a core sheet and polyester films laminated on the two surfaces of the core sheet and an image receiving layer formed on a surface of the substrate sheet and containing a dyeable polymeric material, and exhibits a compression modulus of 50 MPa or less.Type: ApplicationFiled: March 5, 2002Publication date: January 2, 2003Applicant: OJI Paper Co., Ltd.Inventors: Yoshio Mizuhara, Yoshihiro Shimizu, Shigeru Nagashima, Yoshimasa Tanaka, Kazuyuki Tachibana
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Patent number: 5631076Abstract: A hot melt ink thermal transfer recording sheet having enhanced color density, continuous tone and dot-reproducibilities and color brightness has an ink-receiving porous polymer coating layer having a plurality of pores with an average size of 0.5 to 30 .mu.m and an apparent density of 0.05 to 0.5 g/cm.sup.3, and formed on a substrate sheet by coating a coating liquid comprising a polymeric material and fine air bubbles introduced by a mechanical agitation so as to increase the apparent volume of the coating liquid to up to ten times the original volume, the laminate of the substrate with the ink-receiving porous polymer coating layer having a thermal conductivity of 0.25 W/(m.K) or less, as determined by the laser flash method.Type: GrantFiled: February 21, 1996Date of Patent: May 20, 1997Assignees: New OJI Paper Co., Ltd., Asahi Denka Kogyo K.K.Inventors: Masakazu Hakomori, Masatosi Maeda, Yoshio Mizuhara, Miwa Kimura, Toru Nakai, Kosuke Asaeda, Tadahiro Nakada, Masasi Oka