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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Patent number: 11766853Abstract: In order to provide an extremely cost-advantageous laminated white film for use as a recording material that is an information printing medium in place of paper such as copy paper, proposed is a laminated white film having a functional layer comprising an antistatic agent on at least one surface of a polyester film having an apparent density of 0.7 to 1.3 g/cm3 and a thickness of 10 to 1000 ?m, wherein the polyester film comprises a polyester-incompatible polymer.Type: GrantFiled: August 28, 2019Date of Patent: September 26, 2023Assignee: Mitsubishi Chemical CorporationInventors: Hidetaka Kimura, Keita Kawanami, Taishi Kawasaki
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Patent number: 10676651Abstract: The present invention provides an adhesive film hardly suffering from fisheyes and deposition of dirt and dusts thereonto and having excellent mechanical strength and heat resistance as well as good adhesion properties, which can be suitably used as various surface protective films, etc. The present invention relates to an adhesive film comprising a polyester film and an adhesive layer formed on at least one surface of the polyester film, in which the adhesive layer comprises a resin having a glass transition point of not higher than 0° C., and an antistatic agent, and a thickness of the adhesive layer is not more than 10 ?m.Type: GrantFiled: May 2, 2016Date of Patent: June 9, 2020Assignee: MITSUBISHI CHEMICAL CORPORATIONInventor: Taishi Kawasaki
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Publication number: 20190381774Abstract: In order to provide an extremely cost-advantageous laminated white film for use as a recording material that is an information printing medium in place of paper such as copy paper, proposed is a laminated white film having a functional layer comprising an antistatic agent on at least one surface of a polyester film having an apparent density of 0.7 to 1.3 g/cm3 and a thickness of 10 to 1000 ?m, wherein the polyester film comprises a polyester-incompatible polymer.Type: ApplicationFiled: August 28, 2019Publication date: December 19, 2019Applicant: Mitsubishi Chemical CorporationInventors: Hidetaka Kimura, Keita Kawanami, Taishi Kawasaki
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Patent number: 10364381Abstract: According to the present invention, there is provided a release film that can be suitably used in various applications without suffering from deterioration in releasing property thereof, for example, owing to a solvent used upon processing an adhesive layer, when the film is used as a release film for adhesives or a protective film for an adhesive layer for a polarizing plate. The release film of the present invention comprises a polyester film and a coating layer formed on at least one surface of the polyester film, the coating layer comprising a silicone compound and a Gemini surfactant.Type: GrantFiled: February 25, 2016Date of Patent: July 30, 2019Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Ryosuke Funatsu, Taishi Kawasaki
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Patent number: 10174220Abstract: According to the present invention, there is provide a coated film that is excellent in surface hardness and abrasion resistance and has good adhesion between a polyester film and a hard coat layer. 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 prepared from a coating solution comprising a (meth)acrylate compound, a reactive silica comprising a (meth)acryloyl group, and an isocyanate-based compound.Type: GrantFiled: August 3, 2015Date of Patent: January 8, 2019Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Takashi Sato, Taishi Kawasaki
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Publication number: 20180223131Abstract: The present invention provides an adhesive film hardly suffering from fisheyes and having excellent mechanical strength and heat resistance as well as good adhesive properties with reduced transfer of an adhesive layer to an adherend, which can be suitably used as various surface protective films, etc. The present invention relates to an adhesive film comprising a polyester film and an adhesive layer formed on at least one surface of the polyester film, in which the adhesive layer comprises a resin having a glass transition point of not higher than 0° C., and a crosslinking agent, and an adhesion strength of the adhesive layer to a polymethyl methacrylate plate is in the range of 1 to 1000 mN/cm.Type: ApplicationFiled: March 30, 2018Publication date: August 9, 2018Inventor: Taishi KAWASAKI
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Publication number: 20180208811Abstract: According to the present invention, there is provided a release film that can be suitably used in various applications without suffering from deterioration in releasing property thereof, for example, owing to a solvent used upon processing an adhesive layer, when the film is used as a release film for adhesives or a protective film for an adhesive layer for a polarizing plate. The release film of the present invention comprises a polyester film and a coating layer formed on at least one surface of the polyester film, the coating layer comprising a silicone compound and a Gemini surfactant.Type: ApplicationFiled: February 25, 2016Publication date: July 26, 2018Inventors: Ryosuke FUNATSU, Taishi KAWASAKI
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Publication number: 20180208730Abstract: According to the present invention, there is provided a coated film that is excellent in not only antistatic properties, but also persistency of the antistatic properties. 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 which is prepared from a coating solution comprising a polystyrenesulfonic acid or a derivative thereof, and a binder resin or a crosslinking agent.Type: ApplicationFiled: March 22, 2018Publication date: July 26, 2018Applicant: Mitsubishi Chemical CorporationInventors: Yuzo KATO, Yoichi KAWASAKI, Taishi KAWASAKI
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Patent number: 10011734Abstract: 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: GrantFiled: January 24, 2013Date of Patent: July 3, 2018Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Takashi Sato, Taishi Kawasaki, Masato Fujita
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Publication number: 20180127621Abstract: The present invention provides an adhesive film hardly suffering from fisheyes and having excellent mechanical strength and heat resistance as well as good adhesion properties, which can be suitably used as various surface protective films, etc. The present invention relates to an adhesive film comprising a polyester film and an adhesive layer formed on at least one surface of the polyester film, in which the adhesive layer comprises a (meth)acrylic resin comprising a (meth)acrylate unit that comprises an alkyl group having not less than 4 carbon atoms at an ester end thereof, a content of the (meth)acrylate unit in the (meth)acrylic resin being not less than 20% by weight; and an adhesion strength to a polymethyl methacrylate plate of the adhesive layer is not less than 1 mN/cm.Type: ApplicationFiled: January 4, 2018Publication date: May 10, 2018Inventor: Taishi KAWASAKI
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Publication number: 20170283667Abstract: The present invention provides an adhesive film hardly suffering from fisheyes and deposition of dirt and dusts thereonto and having excellent mechanical strength and heat resistance as well as good adhesion properties, which can be suitably used as various surface protective films, etc. The present invention relates to an adhesive film comprising a polyester film and an adhesive layer formed on at least one surface of the polyester film, in which the adhesive layer comprises a resin having a glass transition point of not higher than 0° C., and an antistatic agent, and a thickness of the adhesive layer is not more than 10 ?m.Type: ApplicationFiled: May 2, 2016Publication date: October 5, 2017Inventor: Taishi KAWASAKI
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Publication number: 20170283664Abstract: The present invention provides an adhesive film hardly suffering from fisheyes and having excellent mechanical strength and heat resistance as well as good adhesion properties, which can be suitably used as various surface protective films, etc. The present invention relates to an adhesive film comprising a polyester film and an adhesive layer formed on at least one surface of the polyester film, in which the adhesive layer comprises a (meth)acrylic resin comprising a (meth)acrylate unit that comprises an alkyl group having not less than 4 carbon atoms at an ester end thereof, a content of the (meth)acrylate unit in the (meth)acrylic resin being not less than 20% by weight; and an adhesion strength to a polymethyl methacrylate plate of the adhesive layer is not less than 1 mN/cm.Type: ApplicationFiled: April 12, 2016Publication date: October 5, 2017Inventor: Taishi KAWASAKI
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Patent number: 9731483Abstract: 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: GrantFiled: December 21, 2015Date of Patent: August 15, 2017Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Yoichi Kawasaki, Taishi Kawasaki
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Publication number: 20170121567Abstract: The present invention provides an adhesive film hardly suffering from fisheyes and having excellent mechanical strength and heat resistance as well as good adhesive properties with reduced transfer of an adhesive layer to an adherend, which can be suitably used as various surface protective films, etc. The present invention relates to an adhesive film comprising a polyester film and an adhesive layer formed on at least one surface of the polyester film, in which the adhesive layer comprises a resin having a glass transition point of not higher than 0° C., and a crosslinking agent, and an adhesion strength of the adhesive layer to a polymethyl methacrylate plate is in the range of 1 to 1000 mN/cm.Type: ApplicationFiled: August 8, 2016Publication date: May 4, 2017Inventor: Taishi KAWASAKI
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Patent number: 9523000Abstract: 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: GrantFiled: October 11, 2012Date of Patent: December 20, 2016Assignee: MITSUBISHI PLASTICS, INC.Inventors: Taishi Kawasaki, Ryosuke Funatsu, Katsuya Amako, Yuka Kato, Masato Fujita
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Publication number: 20160362582Abstract: The present invention provides an adhesive film hardly suffering from fisheyes and having excellent mechanical strength and heat resistance as well as good adhesive properties which can be suitably used as various surface protective films, etc. The present invention relates to an adhesive film including a non-polyolefin-based film and an adhesive layer formed on at least one surface of the non-polyolefin-based film, the adhesive layer having a thickness of 1 to 3000 nm and an adhesion strength to a polymethyl methacrylate plate of 1 to 1000 mN/cm.Type: ApplicationFiled: December 30, 2015Publication date: December 15, 2016Inventor: Taishi KAWASAKI
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Patent number: 9507056Abstract: 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: GrantFiled: May 9, 2011Date of Patent: November 29, 2016Assignee: MITSUBISHI PLASTICS, INC.Inventors: Taishi Kawasaki, Masato Fujita
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Publication number: 20160257840Abstract: According to the present invention, there is provide a coated film that is excellent in surface hardness and abrasion resistance and has good adhesion between a polyester film and a hard coat layer. 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 prepared from a coating solution comprising a (meth)acrylate compound, a reactive silica comprising a (meth)acryloyl group, and an isocyanate-based compound.Type: ApplicationFiled: August 3, 2015Publication date: September 8, 2016Inventors: Takashi SATO, Taishi KAWASAKI
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Publication number: 20160244633Abstract: The present invention provides a coated film suffering from less fisheyes and having excellent mechanical strength and heat resistance as well as good adhesive properties which can be suitably used as various surface protective films, 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 comprising a resin having a glass transition point of not higher than 0° C. as a main component, the coating layer having a thickness of 0.01 to 3 ?m.Type: ApplicationFiled: August 11, 2015Publication date: August 25, 2016Inventor: Taishi KAWASAKI
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Publication number: 20160222178Abstract: According to the present invention, there is provided a coated film that is a polyester film capable of suppressing generation of static electricity and having suitable release properties and excellent transparency, and can be suitably used in applications, for example, as a release film used for a processing film used in various processes or a protective 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 prepared from a coating solution comprising a release agent comprising a long-chain alkyl group-containing compound, an antistatic agent, and an acrylic resin or polyvinyl alcohol.Type: ApplicationFiled: October 20, 2014Publication date: August 4, 2016Inventors: Ryosuke FUNATSU, Taishi KAWASAKI