Patents by Inventor Taishi Kawasaki
Taishi Kawasaki 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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Publication number: 20160101606Abstract: According to the present invention, there is provide a coated film that can be highly prevented from suffering from deposition of oligomers from a surface of the film when exposed to a high temperature condition, and is excellent in adhesion property to various functional layers. The present invention relates to a coated film comprising a single-layer polyester film having an ester cyclic trimer content of not more than 0.7% by weight or a multilayer polyester film comprising a polyester surface layer having an ester cyclic trimer content of not more than 0.7% by weight, and a coating layer formed on at least one surface of the single-layer polyester film or multilayer polyester film, the coating layer being prepared from a coating solution comprising a crosslinking agent in an amount of not less than 70% by weight based on the weight of nonvolatile components in the coating solution.Type: ApplicationFiled: December 21, 2015Publication date: April 14, 2016Inventors: Yoichi KAWASAKI, Taishi KAWASAKI
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Publication number: 20160032135Abstract: According to the present invention, there is provide a coated film capable of exhibiting an excellent adhesion property to a prism resin used in optical applications such as a backlight unit for liquid crystal displays, etc., in particular, a prism resin adaptable for high-brightness prisms, i.e., a high-refractive index prism resin. The coating film of the present invention comprises a polyester film and a coating layer formed on at least one surface of the polyester film which is prepared from a coating solution comprising a (meth)acrylate (A) and at least one crosslinking agent (B) selected from the group consisting of an oxazoline compound, an isocyanate-based compound and a melamine compound.Type: ApplicationFiled: January 24, 2013Publication date: February 4, 2016Applicant: MITSUBISHI PLASTICS, INC.Inventors: Takashi SATO, Taishi KAWASAKI, Masato FUJITA
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Publication number: 20160009884Abstract: According to the present invention, there is provide a coated film having excellent properties which can be highly prevented from suffering from deposition of oligomers from a surface of the film when exposed to a high temperature condition, and is free from occurrence of disadvantages due to the oligomers (ester cyclic trimer) upon storage, use or processing of the film, etc. The present invention relates to a coated film comprising a single-layer polyester film having an ester cyclic trimer content of not more than 0.7% by weight or a multilayer polyester film comprising a polyester surface layer having an ester cyclic trimer content of not more than 0.7% by weight, and a coating layer formed on at least one surface of the single-layer polyester film or multilayer polyester film, the coating layer being formed from a coating solution comprising a polyvalent aldehyde-based compound.Type: ApplicationFiled: January 24, 2014Publication date: January 14, 2016Inventors: Yoichi KAWASAKI, Toshihiro KODA, Taishi KAWASAKI
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Publication number: 20140356629Abstract: According to the present invention, there is provide a coated film that suffers from less occurrence of interference fringes when forming various surface functional layers such as a hard coat layer thereon, and can exhibit a good visibility and an excellent adhesion property to the surface functional layers. The present invention relates to a coated film comprising: a polyester film, a first coating layer formed on one surface of the polyester film which is prepared from a coating solution comprising a polyester resin, titanium oxide and an epoxy compound, and a second coating layer formed on the other surface of the polyester film which is prepared from a coating solution comprising a metal oxide and two or more crosslinking agents and which has an absolute reflectance having one minimum value in a wavelength range of 400 to 800 nm, and which has the absolute reflectance at the minimum value of not less than 4.0%.Type: ApplicationFiled: August 30, 2012Publication date: December 4, 2014Applicant: MITSUBISHI PLASTICS, INC.Inventors: Yuzo Kato, Taishi Kawasaki, Masato Fujita
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Publication number: 20140329101Abstract: The present invention provides a polyester film that can be suitably used in the applications requiring excellent transparency and slipping property, for example, such as a film member for a transparent electrode used in touch panels, etc., and a member for molding films.Type: ApplicationFiled: October 11, 2012Publication date: November 6, 2014Inventors: Taishi Kawasaki, Ryosuke Funatsu, Katsuya Amako, Yuka Kato, Masato Fujita
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Patent number: 8877343Abstract: The present invention provides a laminated polyester film which can be prevented from suffering from occurrence of interference fringes owing to reflection of external light and is excellent in adhesion to various surface functional layers such as a hard coat. The laminated polyester film of the present invention comprises a polyester film and a coating layer formed on at least one surface of the polyester film which is produced by applying a coating solution comprising a compound having a condensed polycyclic aromatic structure and an oxazoline compound or an epoxy compound thereonto, which coating layer has a thickness of 0.04 to 0.15 ?m.Type: GrantFiled: May 31, 2010Date of Patent: November 4, 2014Assignee: Mitsubishi Plastics, Inc.Inventors: Taishi Kawasaki, Masato Fujita
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Publication number: 20140322552Abstract: According to the present invention, there is provide a coated film that can be prevented from suffering from deposition of oligomers from a polyester film as a base material, for example, when exposed to a high temperature condition, and is free from occurrence of disadvantages due to the oligomers upon storage, use or processing of the film, etc. The present invention relates to a coated film comprising a polyester film and a coating layer formed on at least one surface of the polyester film, the coating layer being formed from a coating solution comprising a polyvalent aldehyde-based compound (A) and at least one compound (B) selected from the group consisting of a quaternary ammonium group-containing polymer, polyvinyl alcohol and a crosslinking agent.Type: ApplicationFiled: July 14, 2014Publication date: October 30, 2014Inventors: Yoichi KAWASAKI, Toshihiro KODA, Taishi KAWASAKI, Masato FUJITA
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Publication number: 20140242372Abstract: According to the present invention, there is provide a coated film that is highly excellent in transparency and slipping property, and can be suitably used in the applications in which good transparency and slipping property are needed, for example, such as film members for transparent electrodes for touch panels, etc. The present invention relates to a coated film comprising a multilayer polyester film comprising both outermost layers in which particles having an average particle diameter of not more than 3.0 ?m are incorporated, and a coating layer formed on at least one surface of the multilayer polyester film, the coating layer comprising particles having an average particle diameter larger than a thickness of the coating layer.Type: ApplicationFiled: October 18, 2012Publication date: August 28, 2014Applicant: MITSUBISHI PLASTICS, INC.Inventors: Ryosuke Funatsu, Taishi Kawasaki, Katsuya Amako, Yuka Kato, Masato Fujita
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Patent number: 8784976Abstract: The present invention provides a laminated polyester film which exhibits a good adhesion property to various adhesives, and can be suitably used in the applications in which a high total light transmittance is required, for example, as a member for protecting a polarizing plate of liquid crystal displays, in particularly, as a protective film disposed on a rear surface of a rear side polarizing plate. The laminated polyester film according to the present invention comprises a polyester film; a coating layer formed by applying a coating solution which comprises at least one resin selected from the group consisting of a polyester resin, an acrylic resin and a urethane resin, polyvinyl alcohol and an oxazoline compound, on one surface of the polyester film; and a coating layer formed on the other surface of the polyester film which has an absolute reflectance exhibiting one minimum value in a wavelength range of 300 to 800 nm wherein the minimum value is not more than 3.5%.Type: GrantFiled: September 13, 2010Date of Patent: July 22, 2014Assignee: Mitsubishi Plastics, Inc.Inventors: Taishi Kawasaki, Masato Fujita
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Patent number: 8778500Abstract: The present invention provide a laminated polyester film which is capable of ensuring a good dimensional stability without being subjected to such a surface saponification treatment with an alkali solution as required for triacetyl cellulose films, is available at low costs, exhibits a good adhesion property to adhesives and a high total light transmittance, and can be suitably used as a protective film for polarizing films. The laminated polyester film of the present invention comprises a polyester film; a coating layer formed on one surface of the polyester film which comprises an acrylic resin or a urethane resin as a main component; and a coating layer formed on the other surface of the polyester film which comprises a urethane resin having a polycarbonate structure. In the preferred embodiment of the present invention, the coating layer comprising the acrylic resin or the urethane resin as a main component has a thickness of 0.04 to 0.15 ?m, and the polyester film comprises an ultraviolet absorber.Type: GrantFiled: April 15, 2010Date of Patent: July 15, 2014Assignee: Mitsubishi Plastics, Inc.Inventors: Taishi Kawasaki, Toshihiro Koda, Masato Fujita
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Patent number: 8771833Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications requiring good adhesion to a micro-lens layer, a prism layer or the like, for example, in a backlight unit for liquid crystal displays, etc. The laminated polyester film of the present invention comprises a polyester film, and a coating layer formed on at least one surface of the polyester film by applying a coating solution comprising a urethane resin, an epoxy compound, an oxazoline compound and a melamine compound thereonto.Type: GrantFiled: May 24, 2010Date of Patent: July 8, 2014Assignee: Mitsubishi Plastics, Inc.Inventors: Taishi Kawasaki, Masato Fujita
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Publication number: 20140011036Abstract: The present invention relates to a laminated polyester film that can exhibit good adhesion to various surface functional layers such as a hard coat layer, a microlens layer and a prism layer, and can be suitably used as various optical members such as, for example, a backlight unit of liquid crystal displays, etc. The laminated polyester film of the present invention comprises a polyester film and a coating layer formed on at least one surface of the polyester film which is produced by applying a coating solution comprising an active methylene-blocked polyisocyanate compound thereonto.Type: ApplicationFiled: February 9, 2012Publication date: January 9, 2014Applicant: MITSUBISHI PLASTICS, INC.Inventors: Takeshi Kato, Taishi Kawasaki, Masato Fujita
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Publication number: 20130337267Abstract: The present invention can solve various problems posed by a triacetyl cellulose film, and provides a laminated polyester film which can exhibit a good adhesion property to adhesives as well as a good adhesion property to various surface functional layers, and can be suitably used as a protective film for a polarizing film, in particular, as a protective film disposed on a front surface of a front side polarizing plate. The laminated polyester film according to the present invention comprises a polyester film; and a coating layer formed on one surface of the polyester film which is obtained by applying a coating solution comprising a hydroxyl group-containing polycarbonate compound and an oxazoline compound onto the surface of the polyester film.Type: ApplicationFiled: February 10, 2012Publication date: December 19, 2013Applicant: MITSUBISHI PLASTICS, INC.Inventors: Ryosuke Funatsu, Taishi Kawasaki, Masato Fujita
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Publication number: 20130143033Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications requiring a good visibility and a good adhesion property to a hard coat layer, etc., for example, such as various kinds of optical films as members of liquid crystal displays as well as molding films. The laminated polyester film of the present invention comprises a polyester film and a coating layer formed on at least one surface of the polyester film which is produced by applying a coating solution comprising a metal oxide, an oxazoline compound and an epoxy compound thereonto, the coating layer having an absolute reflectance whose one minimum value is present in a wavelength range of 400 to 800 nm, and the absolute reflectance at the minimum value being not less than 4.0%.Type: ApplicationFiled: April 7, 2011Publication date: June 6, 2013Applicant: MITSUBISHI PLASTICS, INC.Inventors: Taishi Kawasaki, Masato Fujita
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Publication number: 20130122285Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications requiring a good visibility and a good adhesion property to a hard coat layer, etc., for example, such as various kinds of optical films as members of liquid crystal displays as well as molding films. The laminated polyester film of the present invention comprises a polyester film and a coating layer formed on at least one surface of the polyester film which is produced by applying a coating solution comprising a polyester resin having a naphthalene skeleton, a metal oxide, and an acrylic resin and/or a urethane resin, thereonto.Type: ApplicationFiled: May 9, 2011Publication date: May 16, 2013Applicant: Mitsubishi Plastics Inc.Inventors: Taishi Kawasaki, Masato Fujita
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Publication number: 20130108864Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications requiring a good visibility and a good adhesion property to a hard coat layer, etc., for example, such as various kinds of optical films as members of liquid crystal displays as well as molding films. The laminated polyester film of the present invention comprises a polyester film and a coating layer formed on at least one surface of the polyester film which is produced by applying a coating solution comprising a polyester resin having a naphthalene skeleton, a metal oxide, and two or more kinds of crosslinking agents, thereonto.Type: ApplicationFiled: May 9, 2011Publication date: May 2, 2013Inventors: Taishi Kawasaki, Masato Fujita
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Publication number: 20130089730Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications requiring a good visibility and a good adhesion property to a hard coat layer, etc., for example, such as various kinds of optical films as members of liquid crystal displays as well as molding films. The laminated polyester film of the present invention comprises a polyester film and a coating layer formed on at least one surface of the polyester film which is produced by applying a coating solution comprising a polyester resin having a naphthalene skeleton, a metal oxide and an aromatic isocyanate compound thereonto.Type: ApplicationFiled: April 7, 2011Publication date: April 11, 2013Applicant: MITSUBISHI PLASTICS, INC.Inventors: Taishi Kawasaki, Masato Fujita
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Publication number: 20130052466Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications requiring good adhesion to a micro-lens layer, a prism layer or the like, for example, in the optical applications such as a backlight unit for liquid crystal displays, etc. The laminated polyester film of the present invention comprises a polyester film, and (A) a coating layer comprising a urethane resin and an isocyanate compound derived from an aliphatic isocyanate or an alicyclic isocyanate or (B) a coating layer comprising a urethane resin having a polycarbonate structure and an isocyanate-based compound, which is formed on at least one surface of the polyester film.Type: ApplicationFiled: March 24, 2011Publication date: February 28, 2013Applicant: MITSUBISHI PLASTICS, INC.Inventors: Yuzo Kato, Taishi Kawasaki, Masato Fujita
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Publication number: 20130004710Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications requiring good easy-slip property, anti-sticking property and antistatic property, for example, such as members constituting liquid crystal displays. The laminated polyester film of the present invention comprises a polyester film, a coating layer formed on one surface of the polyester film which comprises a resin and an antistatic agent but comprises substantially no particles, and has a variation in height of not less than 0.04 ?m as measured over the coating layer, and a coating layer formed on the other surface of the polyester film which comprises a resin.Type: ApplicationFiled: February 3, 2011Publication date: January 3, 2013Inventors: Taishi Kawasaki, Masato Fujita
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Publication number: 20120328868Abstract: The present invention provides a laminated polyester film which can be suitably used in the applications requiring good easy-slip property and anti-sticking property, for example, such as members constituting liquid crystal displays. The laminated polyester film of the present invention comprises a polyester film, a coating layer formed on one surface of the polyester film which comprises a resin and particles in which a content by area ratio of the particles on a surface of the coating layer is in the range of 1 to 50%, and a coating layer formed on the other surface of the polyester film which comprises a resin.Type: ApplicationFiled: February 3, 2011Publication date: December 27, 2012Inventors: Taishi Kawasaki, Masato Fujita