Patents by Inventor Toshihiro Suwa

Toshihiro Suwa 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).

  • Publication number: 20240092071
    Abstract: Object To provide a non-fluorine-based release liner having excellent heat-resistant stability of releasability and release strength that may be applied to a silicone adhesive layer, and a laminate and a roll body including the release liner. Resolution Means A release liner for a silicone adhesive layer according to an embodiment of the present disclosure includes a substrate and a release layer on at least one surface of the substrate, and the release layer contains poly(meth)acrylic acid ester, the poly(meth)acrylic acid ester is a polymer of a polymerizable component containing an alkyl (meth)acrylate monomer having a branched alkyl group having 8 or more carbon atoms.
    Type: Application
    Filed: January 26, 2022
    Publication date: March 21, 2024
    Inventors: Toshihiro Suwa, Katsumasa Nemoto
  • Patent number: 10214666
    Abstract: The present invention is a copolymer of a monomer mixture including about 25 to about 80 parts by mass of an alkyl (meth)acrylate, approximately 15 to approximately 50 parts by mass of a hydroxyl group-containing monomer, and approximately 5 to approximately 25 parts by mass of a macromer having a glass transition temperature (Tg) of approximately 50° C. or higher. The copolymer contains substantially no acidic groups.
    Type: Grant
    Filed: December 3, 2014
    Date of Patent: February 26, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Aya Nakada, Hideyuki Hatanaka, Masaki Yoda, Toshihiro Suwa, Albert I. Everaerts, Shunsuke Suzuki, Yasuhiro Kinoshita
  • Patent number: 9890305
    Abstract: Problem: To provide a method for producing a laminate comprising a thick, highly transparent cured adhesive sheet exhibiting flow characteristics accompanied by satisfactory fluidity and satisfactory initial adhesion to an adherend before irradiation, and satisfactory hardness (in particular, a high storage modulus) after irradiation.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: February 13, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Toshihiro Suwa, Hikaru Takeda
  • Publication number: 20170240782
    Abstract: Problem: To provide an optically clear adhesive with a high dielectric constant having an excellent balance of adhesive strength and cohesive strength as well as excellent optical characteristics, and an optical laminate containing the same. Solution: The optically clear adhesive of an embodiment of the present disclosure comprises a polymer of an acrylic monomer composition containing a hydroxyl group-containing monomer and at least 0.09 mass % and less than 50 mass % of a monofunctional alkyl (meth)acrylate, wherein the number of moles of OH in 100 g of the adhesive is at least 0.3 and at most 0.90.
    Type: Application
    Filed: August 26, 2015
    Publication date: August 24, 2017
    Inventors: Toshihiro Suwa, Yusuke Nozaki, Shinya Nakajima, Aya Nakada, Shingo Amari, Shunsuke Suzuki, Chun-Yi Ting, Yasuhiro Kinoshita
  • Publication number: 20170015877
    Abstract: The present invention is a copolymer of a monomer mixture including about 25 to about 80 parts by mass of an alkyl (meth)acrylate, approximately 15 to approximately 50 parts by mass of a hydroxyl group-containing monomer, and approximately 5 to approximately 25 parts by mass of a macromer having a glass transition temperature (Tg) of approximately 50° C. or higher. The copolymer contains substantially no acidic groups.
    Type: Application
    Filed: December 3, 2014
    Publication date: January 19, 2017
    Applicant: 3M Innovative Properties Company
    Inventors: Aya Nakada, Hideyuki Hatanaka, Masaki Yoda, Toshihiro Suwa, Albert I. Everaerts, Shunsuke Suzuki, Yasuhiro Kinoshita
  • Patent number: 9527972
    Abstract: Polylactic acid-containing resin composition that includes a polylactic acid; and a (meth)acryl-silicone copolymer that includes a methyl(meth)acrylate; and a reactive silicone, wherein the (meth)acryl-silicone copolymer has a weight average molecular weight of 25,000 or more. Methods for producing a polylactic acid-containing resin composition, polylactic acid-containing resin films, polylactic acid-containing resin release films, polylactic acid-containing resin release films, and methods for producing polylactic acid-containing resin films are also disclosed.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: December 27, 2016
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Toshihiro Suwa, Aizoh Sakurai
  • Patent number: 9453084
    Abstract: A polymer gel structure that includes a first layer having at least one non-planar main surface, the first layer including a first polymer component; and a second layer formed on the main surface of the first layer, the second layer including a second polymer component, wherein the second polymer component at least partially penetrates the first layer forming an interpenetrating polymer network structure or a semi-interpenetrating polymer network structure between the first polymer component and the second polymer component.
    Type: Grant
    Filed: August 18, 2008
    Date of Patent: September 27, 2016
    Assignee: 3M Innovative Properties Company
    Inventors: Shoichi Masuda, Toshihiro Suwa, Naoyuki Toriumi
  • Publication number: 20160068718
    Abstract: Problem: To provide a method for producing a laminate comprising a thick, highly transparent cured adhesive sheet exhibiting flow characteristics accompanied by satisfactory fluidity and satisfactory initial adhesion to an adherend before irradiation, and satisfactory hardness (in particular, a high storage modulus) after irradiation.
    Type: Application
    Filed: April 22, 2014
    Publication date: March 10, 2016
    Inventors: Toshihiro Suwa, Hikaru Takeda
  • Publication number: 20150329685
    Abstract: Polylactic acid-containing resin composition that includes a polylactic acid; and a (meth)acryl-silicone copolymer that includes a methyl(meth)acrylate; and a reactive silicone, wherein the (meth)acryl-silicone copolymer has a weight average molecular weight of 25,000 or more. Methods for producing a polylactic acid-containing resin composition, polylactic acid-containing resin films, polylactic acid-containing resin release films, polylactic acid-containing resin release films, and methods for producing polylactic acid-containing resin films are also disclosed.
    Type: Application
    Filed: July 28, 2015
    Publication date: November 19, 2015
    Inventors: Toshihiro Suwa, Aizoh Sakurai
  • Patent number: 9090771
    Abstract: Polylactic acid-containing resin composition that includes a polylactic acid; and a (meth)acryl-silicone copolymer that includes a methyl (meth)acrylate; and a reactive silicone, wherein the (meth)acryl-silicone copolymer has a weight average molecular weight of 25,000 or more. Methods for producing a polylactic acid-containing resin composition, polylactic acid-containing resin films, polylactic acid-containing resin release films, polylactic acid-containing resin release films, and methods for producing polylactic acid-containing resin films are also disclosed.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: July 28, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Toshihiro Suwa, Aizoh Sakurai
  • Publication number: 20150166841
    Abstract: A transparent pressure sensitive adhesive sheet with a front surface and a back surface, fabricated by changing the intensity of the ultraviolet light irradiation between the front surface and the back surface. The transparent pressure sensitive adhesive sheet is obtained by ultraviolet light irradiation of an ultraviolet light hardening pressure sensitive adhesive sheet that contains a (meth)acrylic copolymer, a cleavage type photoinitiator, and an ultraviolet light absorber. The amount of ultraviolet light irradiation varies between the first surface and the second surface and the adhesive force varies between the first surface and the second surface.
    Type: Application
    Filed: July 9, 2013
    Publication date: June 18, 2015
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Saori Ueda, Toshihiro Suwa, Shunsuke Suzuki, Jun Fujita
  • Patent number: 8920592
    Abstract: A method of making a display assembly includes the steps of (a) attaching a first substrate and a second substrate with an optically clear heat activated adhesive to form a laminate. Each of the first and second substrate has opposing major surfaces. At least one of the first and second substrate has a three dimensional surface topography covering at least a portion of one of its major surfaces or is distortion sensitive. At a heat activation temperature, the adhesive is pressure sensitive. The method also includes heating the laminate to the heat activation temperature of the adhesive causing the adhesive to flow. The activation temperature is greater than 40° C. and less than 120° C.
    Type: Grant
    Filed: March 4, 2011
    Date of Patent: December 30, 2014
    Assignee: 3M Innovation Properties Company
    Inventors: Toshihiro Suwa, Yasuhiro Kinoshita, Albert I. Everaerts, Abdujabar K. Dire
  • Patent number: 8911873
    Abstract: An ultraviolet cross-linkable pressure sensitive adhesive sheet includes a (meth)acrylic copolymer of a monomer containing a (meth)acrylic acid ester having an ultraviolet cross-linkable site. The storage modulus of the pressure sensitive adhesive sheet before ultraviolet cross-linking is from 5.0×104 to 1.0×106 Pa at 30° C. and 1 Hz and 5.0×104 Pa or less at 80° C. and 1 Hz. The storage modulus of the pressure sensitive adhesive sheet after ultraviolet cross-linking is 1.0×103 Pa or more at 130° C. and 1 Hz.
    Type: Grant
    Filed: March 7, 2011
    Date of Patent: December 16, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Toshihiro Suwa, Shogo Sakakibara, Sotaro Endo, Saori Ueda, Shunsuke Suzuki
  • Publication number: 20140302313
    Abstract: To provide a radiation curable pressure sensitive adhesive sheet capable of yielding both a pressure sensitive adhesive sheet with good initial adhesion to an adherend before irradiation and a pressure sensitive adhesive sheet with good rigidity after irradiation. A radiation curable pressure sensitive adhesive sheet includes a (meth)acrylic copolymer having a radiation reactive site and a plasticizer capable of bonding with the (meth)acrylic copolymer upon being irradiated.
    Type: Application
    Filed: August 9, 2012
    Publication date: October 9, 2014
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Toshihiro Suwa, Yasuhiro Kinoshita
  • Publication number: 20140262002
    Abstract: A micro-structured optically clear adhesive, including a first major surface and a second major surface, wherein at least one of the first and second major surfaces comprises a micro-structured surface of interconnected micro-structures in at least one of the planar dimensions (x-y), is disclosed. The micro-structured optically clear adhesive has a tan delta value of at least about 0.3 at a lamination temperature and is non-crosslinked or lightly crosslinked. The micro-structured surface may include indentations having a depth of between about 5 and about 80 microns. A method of laminating a first substrate and a second substrate without the use of a vacuum is provided.
    Type: Application
    Filed: October 24, 2012
    Publication date: September 18, 2014
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Toshihiro Suwa, Albert I. Everaerts, Haruyuki Mikami, Yasuhiro Kinoshita
  • Publication number: 20140110056
    Abstract: A method for manufacturing an image display device includes: providing an image display unit having an image display surface; providing a translucent protective material having a light-shielding portion; disposing a liquid optically clear adhesive (LOCA) between the image display surface of the image display unit and the translucent protective material; and curing the LOCA to adhere the image display unit with the translucent protective material. The LOCA is a two-part redox-type adhesive composed of a first composition including a first base agent containing a compound having at least one ethylenically unsaturated group and a polymerization initiator and a second composition including a second base agent containing a compound having at least one ethylenically unsaturated group and a reducing agent capable of decomposing the polymerization initiator.
    Type: Application
    Filed: April 4, 2012
    Publication date: April 24, 2014
    Applicant: 3M INNOVATIVE PROPERITIES COMPANY
    Inventors: Toshihiro Suwa, Yasuhiro Kinoshita, Hikaru Takeda
  • Publication number: 20130164541
    Abstract: A multi-layer laminate includes a substrate and a resin layer. The substrate has an acrylic anti-abrasion coating layer on at least one surface. The resin layer is formed on the acrylic anti-abrasion coating layer and includes a polymerization product of a curable resin composition. The curable resin composition includes a (meth)acrylate having one or more hydroxyl groups in the molecule, a (meth)acrylate having two or more (meth)acryloyl groups in the molecule, a polyisocyanate having three or more isocyanate groups in the molecule and a photoinitiator.
    Type: Application
    Filed: September 7, 2010
    Publication date: June 27, 2013
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Toshihiro Suwa, Hideyuki Hatanaka
  • Publication number: 20120328891
    Abstract: An ultraviolet cross-linkable pressure sensitive adhesive sheet includes a (meth)acrylic copolymer of a monomer containing a (meth)acrylic acid ester having an ultraviolet cross-linkable site. The storage modulus of the pressure sensitive adhesive sheet before ultraviolet cross-linking is from 5.0×104 to 1.0×106 Pa at 30° C. and 1 Hz and 5.0×104 Pa or less at 80° C. and 1 Hz. The storage modulus of the pressure sensitive adhesive sheet after ultraviolet cross-linking is 1.0×103 Pa or more at 130° C. and 1 Hz.
    Type: Application
    Filed: March 7, 2011
    Publication date: December 27, 2012
    Inventors: Toshihiro Suwa, Shogo Sakakibara, Sotaro Endo, Saori Ueda, Shunsuke Suzuki
  • Publication number: 20120325402
    Abstract: A method of making a display assembly includes the steps of (a) attaching a first substrate and a second substrate with an optically clear heat activated adhesive to form a laminate. Each of the first and second substrate has opposing major surfaces. At least one of the first and second substrate has a three dimensional surface topography covering at least a portion of one of its major surfaces or is distortion sensitive. At a heat activation temperature, the adhesive is pressure sensitive. The method also includes heating the laminate to the heat activation temperature of the adhesive causing the adhesive to flow. The activation temperature is greater than 40° C. and less than 120° C.
    Type: Application
    Filed: March 4, 2011
    Publication date: December 27, 2012
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Toshihiro Suwa, Yasuhiro Kinoshita, Albert I. Everaerts, Abdujabar K. Dire
  • Publication number: 20110287206
    Abstract: Polylactic acid-containing resin composition that includes a polylactic acid; and a (meth)acryl-silicone copolymer that includes a methyl (meth)acrylate; and a reactive silicone, wherein the (meth)acryl-silicone copolymer has a weight average molecular weight of 25,000 or more. Methods for producing a polylactic acid-containing resin composition, polylactic acid-containing resin films, polylactic acid-containing resin release films, polylactic acid-containing resin release films, and methods for producing polylactic acid-containing resin films are also disclosed.
    Type: Application
    Filed: January 15, 2010
    Publication date: November 24, 2011
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Toshihiro Suwa, Aizoh Sakurai