Patents by Inventor Toshihiko Higuchi

Toshihiko Higuchi 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).

  • Patent number: 8652643
    Abstract: Provided a thin plate glass laminate of a thin plate glass substrate and a support glass substrate, which suppresses inclusion of bubbles and occurrence of convex defects due to foreign matters, from which the thin plate glass substrate and the support glass substrate are easily separated, and which is excellent in heat resistance. A process for producing a display device using the thin plate glass laminate, and a silicone for release paper for the thin plate glass laminate are also provided. A thin plate glass laminate is formed by laminating a thin plate glass substrate and a support glass substrate using a silicone resin layer having releasability and non-adhesive properties.
    Type: Grant
    Filed: February 11, 2008
    Date of Patent: February 18, 2014
    Assignee: Asahi Glass Company, Limited
    Inventor: Toshihiko Higuchi
  • Patent number: 8425711
    Abstract: To provide a glass substrate with protective glass which suppresses formation of microscopic scratches on the back surface of the glass substrate in the production process for a display device, and which prevents a strength decrease in the process or formation of etch pits after a chemical etching treatment; a process for producing a display device by using the glass substrate with protective glass; and a double-sided removable resin sheet for the glass substrate with protective glass. A glass substrate with protective glass, which comprises a glass substrate and a protective glass plate laminated on each other, and which is characterized in that the glass substrate and the protective glass plate are laminated by a double-sided removal resin sheet.
    Type: Grant
    Filed: September 1, 2009
    Date of Patent: April 23, 2013
    Assignee: Asahi Glass Company, Limited
    Inventors: Toshihiko Higuchi, Satoru Takaki
  • Patent number: 8303754
    Abstract: To provide a glass substrate with protective glass which suppresses formation of microscopic scratches on the back surface of the glass substrate in the production process for a display device, and which prevents a strength decrease in the process or formation of etch pits after a chemical etching treatment; a process for producing a display device by using the glass substrate with protective glass; and silicone for release paper for the glass substrate with protective glass. A glass substrate with protective glass, which comprises a glass substrate and a protective glass substrate laminated on each other, and which is characterized in that the glass substrate and the protective glass substrate are laminated by a resin layer having removability.
    Type: Grant
    Filed: July 21, 2011
    Date of Patent: November 6, 2012
    Assignee: Asahi Glass Company, Limited
    Inventor: Toshihiko Higuchi
  • Publication number: 20120183756
    Abstract: The present invention relates to a laminated glass substrate comprising n pieces of glass film layers (wherein n is an integer of 2 or more) and (n?1) pieces of resin layers which are present between the respective glass film layers, wherein each of the glass film layers has a thickness of 0.01 to 0.1 mm, and each of the resin layers has a thickness less than that of both of the adjacent glass film layers.
    Type: Application
    Filed: March 27, 2012
    Publication date: July 19, 2012
    Inventor: Toshihiko HIGUCHI
  • Patent number: 8157945
    Abstract: To provide a thin plate glass laminate of a thin plate glass substrate and a support glass substrate, which suppresses inclusion of bubbles and occurrence of convex defects due to foreign matters, from which the thin plate glass substrate and the support glass substrate are easily separated, and which is excellent in heat resistance, a process for producing a display device using such a thin plate glass laminate, and a support glass substrate for such a thin plate glass laminate. A thin plate glass laminate formed by laminating a thin plate glass substrate and a support glass substrate, wherein the thin plate glass substrate and the support glass substrate are laminated by means of a silicone resin layer having releasability and non-adhesive properties, and the silicone resin layer and the support glass substrate each has at least one hole that communicate with each other.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: April 17, 2012
    Assignee: Asahi Glass Company, Limited
    Inventor: Toshihiko Higuchi
  • Publication number: 20120064669
    Abstract: The present invention relates to a method for manufacturing a semiconductor device, containing: a first step of producing a first component part of a semiconductor device on a first surface of a semiconductor wafer; a second step of laminating a support plate to the first surface of the semiconductor wafer, on which the first component part has been produced, through only a silicone resin layer therebetween; a third step of grinding a second surface opposing the first surface of the semiconductor wafer, in the state of the support plate being laminated, and then producing a second component part of the semiconductor device on the ground surface; and a fourth step of peeling off the silicone resin layer from the semiconductor wafer on which the first component part and the second component part have been produced, thereby removing the silicone resin layer and the support plate, and cutting the semiconductor wafer into a chip.
    Type: Application
    Filed: September 14, 2011
    Publication date: March 15, 2012
    Inventor: Toshihiko Higuchi
  • Publication number: 20110272090
    Abstract: To provide a glass substrate with protective glass which suppresses formation of microscopic scratches on the back surface of the glass substrate in the production process for a display device, and which prevents a strength decrease in the process or formation of etch pits after a chemical etching treatment; a process for producing a display device by using the glass substrate with protective glass; and silicone for release paper for the glass substrate with protective glass. A glass substrate with protective glass, which comprises a glass substrate and a protective glass substrate laminated on each other, and which is characterized in that the glass substrate and the protective glass substrate are laminated by a resin layer having removability.
    Type: Application
    Filed: July 21, 2011
    Publication date: November 10, 2011
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventor: Toshihiko Higuchi
  • Patent number: 7825027
    Abstract: A method for manufacturing a memory device including a ferroelectric memory array region and a logic circuit region is provided. The method includes the steps of: forming, above a base substrate, a plurality of ferroelectric capacitors in the ferroelectric memory array region; forming a wiring layer above the base substrate in the logic circuit region; forming an interlayer dielectric layer that covers the ferroelectric capacitors and the wiring layer; etching the interlayer dielectric layer formed at least in the ferroelectric memory array region to form a concave section; polishing the interlayer dielectric layer by a CMP (chemical mechanical polishing) method; etching the interlayer dielectric layer above the ferroelectric capacitors and the wiring layer to form contact holes; and forming contact sections in the contact holes.
    Type: Grant
    Filed: November 14, 2008
    Date of Patent: November 2, 2010
    Assignee: Seiko Epson Corporation
    Inventors: Takafumi Noda, Toshihiko Higuchi
  • Publication number: 20100192634
    Abstract: To provide a process for producing a glass/resin composite having a sufficient transportability, handling efficiency and processability, even though the thickness of the glass is very thin, without impairing excellent properties of glass. A process for producing a glass/resin composite, which comprises forming molten glass into a glass ribbon and forming a resin layer on at least one surface of the glass ribbon is provided. The resin layer is preferably formed by bonding to a glass ribbon, applying a heat melt resin or applying a curable resin. Further, a process for producing a glass/resin composite, wherein a cut glass substrate is bonded on a continuously supplied resin film is provided.
    Type: Application
    Filed: April 7, 2010
    Publication date: August 5, 2010
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventors: Toshihiko HIGUCHI, Motoi Kamba, Naoki Sugimoto, Satoshi Kondo
  • Patent number: 7727626
    Abstract: A light diffusion plate has a substrate and a light diffusion layer formed on the substrate. The light diffusion layer is composed of at least two layers: a first light diffusion layer containing a first matrix and a first light diffusion agent having a refractive index difference ?n1 of 0.04??n1?0.2 with the first matrix, and a second light diffusion layer containing a second matrix and a second light diffusion agent having a refractive index difference ?n2 of 0.005??n2?0.01 with the second matrix. The volume fraction of the first light diffusion agent in the first light diffusion layer is less than 40%, the volume fraction of the second light diffusion agent in the second light diffusion layer is at least 40% and the total thickness of the light diffusion layers is from 5 to 200 ?m after curing.
    Type: Grant
    Filed: December 4, 2007
    Date of Patent: June 1, 2010
    Assignee: Asahi Glass Company, Limited
    Inventors: Hisao Inokuma, Toshihiko Higuchi, Akira Mitsui
  • Publication number: 20090321005
    Abstract: To provide a glass substrate with protective glass which suppresses formation of microscopic scratches on the back surface of the glass substrate in the production process for a display device, and which prevents a strength decrease in the process or formation of etch pits after a chemical etching treatment; a process for producing a display device by using the glass substrate with protective glass; and a double-sided removable resin sheet for the glass substrate with protective glass. A glass substrate with protective glass, which comprises a glass substrate and a protective glass plate laminated on each other, and which is characterized in that the glass substrate and the protective glass plate are laminated by a double-sided removal resin sheet.
    Type: Application
    Filed: September 1, 2009
    Publication date: December 31, 2009
    Applicant: Asahi Glass Company, Limited
    Inventors: Toshihiko HIGUCHI, Satoru TAKAKI
  • Publication number: 20090147365
    Abstract: A light diffusion plate in which the adhesiveness, particularly long term adhesiveness, between a glass substrate and a light diffusion layer is good; a coating solution for forming light diffusion layer to be employed for producing this light diffusion plate; and a transmission screen, a rear projection type projection TV and a backlight unit for liquid crystal display employing this light diffusion plate; are provided. A coating solution for forming light diffusion layer, containing a binder, a light diffusion material and a compound containing a reactive silyl group and an epoxy group.
    Type: Application
    Filed: February 2, 2009
    Publication date: June 11, 2009
    Applicant: Asahi Glass Company, Limited
    Inventors: Hisao INOKUMA, Toshihiko Higuchi
  • Publication number: 20090148682
    Abstract: To provide a glass substrate with protective glass which suppresses formation of microscopic scratches on the back surface of the glass substrate in the production process for a display device, and which prevents a strength decrease in the process or formation of etch pits after a chemical etching treatment; a process for producing a display device by using the glass substrate with protective glass; and silicone for release paper for the glass substrate with protective glass. A glass substrate with protective glass, which comprises a glass substrate and a protective glass substrate laminated on each other, and which is characterized in that the glass substrate and the protective glass substrate are laminated by a resin layer having removability.
    Type: Application
    Filed: January 6, 2009
    Publication date: June 11, 2009
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventor: Toshihiko HIGUCHI
  • Publication number: 20090137065
    Abstract: A method for manufacturing a memory device including a ferroelectric memory array region and a logic circuit region is provided. The method includes the steps of: forming, above a base substrate, a plurality of ferroelectric capacitors in the ferroelectric memory array region; forming a wiring layer above the base substrate in the logic circuit region; forming an interlayer dielectric layer that covers the ferroelectric capacitors and the wiring layer; etching the interlayer dielectric layer formed at least in the ferroelectric memory array region to form a concave section; polishing the interlayer dielectric layer by a CMP (chemical mechanical polishing) method; etching the interlayer dielectric layer above the ferroelectric capacitors and the wiring layer to form contact holes; and forming contact sections in the contact holes.
    Type: Application
    Filed: November 14, 2008
    Publication date: May 28, 2009
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takafumi NODA, Toshihiko HIGUCHI
  • Publication number: 20090110882
    Abstract: To provide a thin plate glass laminate of a thin plate glass substrate and a support glass substrate, which suppresses inclusion of bubbles and occurrence of convex defects due to foreign matters, from which the thin plate glass substrate and the support glass substrate are easily separated, and which is excellent in heat resistance, a process for producing a display device using such a thin plate glass laminate, and a support glass substrate for such a thin plate glass laminate. A thin plate glass laminate formed by laminating a thin plate glass substrate and a support glass substrate, wherein the thin plate glass substrate and the support glass substrate are laminated by means of a silicone resin layer having releasability and non-adhesive properties, and the silicone resin layer and the support glass substrate each has at least one hole that communicate with each other.
    Type: Application
    Filed: November 7, 2008
    Publication date: April 30, 2009
    Applicant: ASAHI GLASS COMPANY, LIMITED
    Inventor: Toshihiko HIGUCHI
  • Patent number: 7439279
    Abstract: To provide a coating composition which forms a coating film having excellent fingerprint removability and having favorable abrasion resistance and transparency, and a molded product having a coating film made of a cured product of the composition. An active energy ray curable coating composition comprising an active energy ray curable polymerizable monomer (A), a water and oil repellency-imparting agent (B) and an active energy ray polymerization initiator (C), wherein the water and oil repellency-imparting agent (B) contains a water and oil repellency-imparting agent (B-T) having a moiety (b-1) exerting water and oil repellency, an active energy ray curable functional group (b-2) and a moiety (b-3) excellent in compatibility with the polymerizable monomer (A) and a molded product having a coating film made of a cured product of the composition.
    Type: Grant
    Filed: May 13, 2005
    Date of Patent: October 21, 2008
    Assignee: Asahi Glass Company, Limited
    Inventors: Satoshi Kondo, Daisuke Shirakawa, Toshihiko Higuchi, Hirotsugu Yamamoto
  • Publication number: 20080135175
    Abstract: To provide a thin plate glass laminate of a thin plate glass substrate and a support glass substrate, which suppresses inclusion of bubbles and occurrence of convex defects due to foreign matters, from which the thin plate glass substrate and the support glass substrate are easily separated, and which is excellent in heat resistance, a process for producing a display device using such a thin plate glass laminate, and a silicone for release paper for such a thin plate glass laminate. A thin plate glass laminate formed by laminating a thin plate glass substrate and a support glass substrate, wherein the thin plate glass substrate and the support glass substrate are laminated by means of a silicone resin layer having releasability and non-adhesive properties.
    Type: Application
    Filed: February 11, 2008
    Publication date: June 12, 2008
    Applicant: Asahi Glass Company, Limited
    Inventor: Toshihiko HIGUCHI
  • Patent number: 7361393
    Abstract: An optical disk of a system wherein a recording layer is to be irradiated with a laser beam through a thin film cover layer, wherein on the surface of the thin film cover layer, a hard coat layer is formed which is made of a cured product of an active energy ray curable composition comprising a polymerizable monomer (A), a colloidal silica (B), a lubricity-imparting agent (C) and an active energy ray polymerization initiator (D), as components. The lubricity-imparting agent (C) contains a lubricity-imparting agent (C-T) having, in one molecule, a moiety (c-1) exerting lubricity, a moiety (c-2) excellent in compatibility with the polymerizable monomer and an active energy ray curable functional group (c-3). In the optical disk of the present invention, the hard coat layer formed on the surface of the thin film cover layer is excellent in abrasion resistance, transparency and long-term surface lubricity.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: April 22, 2008
    Assignee: Asahi Glass Company, Limited
    Inventors: Satoshi Kondo, Toshihiko Higuchi, Hirotsugu Yamamoto
  • Publication number: 20080090063
    Abstract: To provide a transmission screen to be used for a PTV, particularly a high rigidity transmission screen suitably used for a high precision PTV on which an optical engine such as MD is mounted, capable of coping with enlargement of the screen, and a diffusion plate to be used therefor. A light diffusion plate comprising a substrate and a light diffusion layer formed on the substrate, wherein the light diffusion layer comprises at least two layers of a first light diffusion layer containing a first matrix and a first light diffusion agent having a refractive index difference ?n1 of 0.04??n1?0.2 with the first matrix, and a second light diffusion layer containing a second matrix and a second light diffusion agent having a refractive index difference ?n2 of 0.005??n2?0.
    Type: Application
    Filed: December 4, 2007
    Publication date: April 17, 2008
    Applicant: ASAHI GLASS COMPANY LIMITED
    Inventors: Hisao INOKUMA, Toshihiko Higuchi, Akira Mitsui
  • Patent number: 7109540
    Abstract: A method of manufacturing a semiconductor device is provided including: forming a groove in an insulation film; forming a lower electrode material film on the insulation film and in the groove; forming a ferroelectric material film on the lower electrode material film, on the insulation film and in the groove; forming an upper electrode material film on the ferroelectric material film, on the insulation film and in the groove; forming a capacitive element within the groove by removing the upper electrode material film and the ferroelectric material film from the insulation film and leaving the upper electrode material film and the ferroelectric material film within the groove by CMP-polishing the insulation film and the groove.
    Type: Grant
    Filed: November 9, 2004
    Date of Patent: September 19, 2006
    Assignee: Seiko Epson Corporation
    Inventor: Toshihiko Higuchi