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).
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Patent number: 8652643Abstract: 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: GrantFiled: February 11, 2008Date of Patent: February 18, 2014Assignee: Asahi Glass Company, LimitedInventor: Toshihiko Higuchi
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Patent number: 8425711Abstract: 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: GrantFiled: September 1, 2009Date of Patent: April 23, 2013Assignee: Asahi Glass Company, LimitedInventors: Toshihiko Higuchi, Satoru Takaki
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Patent number: 8303754Abstract: 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: GrantFiled: July 21, 2011Date of Patent: November 6, 2012Assignee: Asahi Glass Company, LimitedInventor: Toshihiko Higuchi
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Publication number: 20120183756Abstract: 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: ApplicationFiled: March 27, 2012Publication date: July 19, 2012Inventor: Toshihiko HIGUCHI
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Patent number: 8157945Abstract: 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: GrantFiled: November 7, 2008Date of Patent: April 17, 2012Assignee: Asahi Glass Company, LimitedInventor: Toshihiko Higuchi
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Publication number: 20120064669Abstract: 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: ApplicationFiled: September 14, 2011Publication date: March 15, 2012Inventor: Toshihiko Higuchi
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Publication number: 20110272090Abstract: 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: ApplicationFiled: July 21, 2011Publication date: November 10, 2011Applicant: ASAHI GLASS COMPANY, LIMITEDInventor: Toshihiko Higuchi
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Patent number: 7825027Abstract: 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: GrantFiled: November 14, 2008Date of Patent: November 2, 2010Assignee: Seiko Epson CorporationInventors: Takafumi Noda, Toshihiko Higuchi
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Publication number: 20100192634Abstract: 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: ApplicationFiled: April 7, 2010Publication date: August 5, 2010Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Toshihiko HIGUCHI, Motoi Kamba, Naoki Sugimoto, Satoshi Kondo
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Patent number: 7727626Abstract: 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: GrantFiled: December 4, 2007Date of Patent: June 1, 2010Assignee: Asahi Glass Company, LimitedInventors: Hisao Inokuma, Toshihiko Higuchi, Akira Mitsui
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Publication number: 20090321005Abstract: 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: ApplicationFiled: September 1, 2009Publication date: December 31, 2009Applicant: Asahi Glass Company, LimitedInventors: Toshihiko HIGUCHI, Satoru TAKAKI
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Publication number: 20090147365Abstract: 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: ApplicationFiled: February 2, 2009Publication date: June 11, 2009Applicant: Asahi Glass Company, LimitedInventors: Hisao INOKUMA, Toshihiko Higuchi
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Publication number: 20090148682Abstract: 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: ApplicationFiled: January 6, 2009Publication date: June 11, 2009Applicant: ASAHI GLASS COMPANY, LIMITEDInventor: Toshihiko HIGUCHI
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Publication number: 20090137065Abstract: 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: ApplicationFiled: November 14, 2008Publication date: May 28, 2009Applicant: SEIKO EPSON CORPORATIONInventors: Takafumi NODA, Toshihiko HIGUCHI
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Publication number: 20090110882Abstract: 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: ApplicationFiled: November 7, 2008Publication date: April 30, 2009Applicant: ASAHI GLASS COMPANY, LIMITEDInventor: Toshihiko HIGUCHI
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Patent number: 7439279Abstract: 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: GrantFiled: May 13, 2005Date of Patent: October 21, 2008Assignee: Asahi Glass Company, LimitedInventors: Satoshi Kondo, Daisuke Shirakawa, Toshihiko Higuchi, Hirotsugu Yamamoto
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Publication number: 20080135175Abstract: 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: ApplicationFiled: February 11, 2008Publication date: June 12, 2008Applicant: Asahi Glass Company, LimitedInventor: Toshihiko HIGUCHI
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Patent number: 7361393Abstract: 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: GrantFiled: May 17, 2005Date of Patent: April 22, 2008Assignee: Asahi Glass Company, LimitedInventors: Satoshi Kondo, Toshihiko Higuchi, Hirotsugu Yamamoto
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Publication number: 20080090063Abstract: 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: ApplicationFiled: December 4, 2007Publication date: April 17, 2008Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Hisao INOKUMA, Toshihiko Higuchi, Akira Mitsui
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Patent number: 7109540Abstract: 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: GrantFiled: November 9, 2004Date of Patent: September 19, 2006Assignee: Seiko Epson CorporationInventor: Toshihiko Higuchi