Patents by Inventor Yasuji Fukasawa
Yasuji Fukasawa 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: 11332403Abstract: The present invention relates to a vehicle-mounted display device disposed in an interior member of a vehicle. The vehicle-mounted display device of the invention includes: a display panel; a cover glass covering the display panel; a housing accommodating the display panel; and a holding portion holding a position of the housing, in which the cover glass is a tempered glass having a thickness being 0.5 to 2.5 mm, a thickness of a compressive stress layer being 10 ?m or more, and a surface compressive stress of the compressive stress layer being 650 MPa or higher, and when the thickness (unit: mm) of the cover glass is represented by x and an energy absorption rate (unit: %) of the holding portion is represented by y, Expression (1) is satisfied, and impact resistance of the cover glass is excellent: y??37.1×ln(x)+53.7??(1).Type: GrantFiled: August 20, 2019Date of Patent: May 17, 2022Assignee: AGC Inc.Inventors: Kyohei Hashimoto, Atsushi Inoue, Yasuhiro Inoue, Yasumasa Kato, Yasuji Fukasawa, Yusuke Kobayashi, Masaaki Konishi
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Publication number: 20190375673Abstract: The present invention relates to a vehicle-mounted display device disposed in an interior member of a vehicle. The vehicle-mounted display device of the invention includes: a display panel; a cover glass covering the display panel; a housing accommodating the display panel; and a holding portion holding a position of the housing, in which the cover glass is a tempered glass having a thickness being 0.5 to 2.Type: ApplicationFiled: August 20, 2019Publication date: December 12, 2019Applicant: AGC Inc.Inventors: Kyohei HASHIMOTO, Atsushi INOUE, Yasuhiro INOUE, Yasumasa KATO, Yasuji FUKASAWA, Yusuke KOBAYASHI, Masaaki KONISHI
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Patent number: 10450218Abstract: The present invention relates to a vehicle-mounted display device disposed in an interior member of a vehicle. The vehicle-mounted display device of the invention includes: a display panel; a cover glass covering the display panel; a housing accommodating the display panel; and a holding portion holding a position of the housing, in which the cover glass is a tempered glass having a thickness being 0.5 to 2.5 mm, a thickness of a compressive stress layer being 10 ?m or more, and a surface compressive stress of a compressive layer being 650 MPa or higher, and when the thickness (unit: mm) of the cover glass is represented by x and an energy absorption rate (unit: %) of the holding portion is represented by y. Expression (1) is satisfied, and impact resistance of the cover glass is excellent: y??37.1×ln(x)+53.7??(1).Type: GrantFiled: November 14, 2017Date of Patent: October 22, 2019Assignee: AGC Inc.Inventors: Kyohei Hashimoto, Atsushi Inoue, Yasuhiro Inoue, Yasumasa Kato, Yasuji Fukasawa, Yusuke Kobayashi, Masaaki Konishi
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Publication number: 20180065881Abstract: The present invention relates to a vehicle-mounted display device disposed in an interior member of a vehicle. The vehicle-mounted display device of the invention includes: a display panel; a cover glass covering the display panel; a housing accommodating the display panel; and a holding portion holding a position of the housing, in which the cover glass is a tempered glass having a thickness being 0.5 to 2.5 mm, a thickness of a compressive stress layer being 650 MPa or higher, and when the thickness (unit: mm) of the cover glass is represented by x and an energy absorption rate (unit: %) of the holding portion is represented by y. Expression (1) is satisfied, and impact resistance of the cover glass is excellent: y??37.1×ln(x)+53.Type: ApplicationFiled: November 14, 2017Publication date: March 8, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Kyohei HASHIMOTO, Atsushi INOUE, Yasuhiro INOUE, Yasumasa KATO, Yasuji FUKASAWA, Yusuke KOBAYASHI, Masaaki KONISHI
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Patent number: 9194042Abstract: The present invention relates to: a jig for semiconductor production which is used for a CVD device in a semiconductor production process and contains a jig base and an SiC coating film formed on the jig base, in which the SiC coating film has a surface area ratio (surface area S2/surface area S1) between an apparent surface area S1 as calculated on the assumption that the surface is flat and free from unevenness and an actual surface area S2, of from 1.4 to 3.2; and a method for producing the jig for semiconductor production.Type: GrantFiled: April 13, 2012Date of Patent: November 24, 2015Assignee: Asahi Glass Company, LimitedInventors: Yoichi Kamisuki, Shinji Kondoh, Yasuji Fukasawa, Masanori Kawaguchi, Atsuto Hashimoto
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Publication number: 20120196038Abstract: The present invention relates to: a jig for semiconductor production which is used for a CVD device in a semiconductor production process and contains a jig base and an SiC coating film formed on the jig base, in which the SiC coating film has a surface area ratio (surface area S2/surface area S1) between an apparent surface area S1 as calculated on the assumption that the surface is flat and free from unevenness and an actual surface area S2, of from 1.4 to 3.2; and a method for producing the jig for semiconductor production.Type: ApplicationFiled: April 13, 2012Publication date: August 2, 2012Inventors: Yoichi KAMISUKI, Shinji KONDOH, Yasuji FUKASAWA, Masanori KAWAGUCHI, Atsuto HASHIMOTO
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Publication number: 20120135847Abstract: A method for cutting a brittle-material substrate by irradiating a converged laser beam on a brittle-material substrate along first and second cutting lines intersecting each other at least at one point, includes forming scribe lines along the first and the second cutting lines on a surface of the brittle-material substrate, and relatively moving an irradiation position of the laser beam on the surface of the brittle-material substrate along the scribe lines to cut the brittle-material substrate at a forward position of the irradiation position in the moving direction of the irradiation position. The irradiation of the laser beam is limited in a region in the vicinity of an intersection where the first and the second cutting lines intersect.Type: ApplicationFiled: December 30, 2011Publication date: May 31, 2012Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Yasuji Fukasawa, Akinori Matsumoto, Isao Saito
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Publication number: 20120041714Abstract: A semiconductor heat treatment member having a CVD-SiC film, which can reduce the frequency of cleaning steps and significantly improves the throughput of wafer process, is provided. A semiconductor heat treatment member is provided, which has a characteristic that when a Fourier amplitude spectrum of a cross-sectional profile of the CVD-SiC film deposited on the semiconductor heat treatment member obtained by observing the CVD-SiC film by a laser microscope with a magnification of from 400 to 600×, is integrated in ranges of 0.01???0.02 and 0.05???0.2, to obtain integral values of I1 and I2, respectively, then, I1 is at least 0.9 and 12 is at least 1.6.Type: ApplicationFiled: October 26, 2011Publication date: February 16, 2012Inventors: Masanori Kawaguchi, Yoichi Kamisuki, Yasuji Fukasawa
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Patent number: 8109118Abstract: It is an object of the present invention to provide a method and apparatus for efficiently remove bubbles present on a surface of molten glass, which can solve a problem that bubbles remaining on a surface of molten glass are get inside at a time of forming the glass to cause inside bubbles, to thereby provide a glass substrate of good quality, and which can improve productivity of glass substrates; and to provide a process for producing glass employing the above method for removing bubbles. The present invention provides a method for removing bubbles from molten glass, which is a method for removing floating bubbles on a surface of molten glass, wherein a floating bubble on the surface of molten glass is irradiated with at least one laser beam.Type: GrantFiled: November 6, 2008Date of Patent: February 7, 2012Assignee: Asahi Glass Company, LimitedInventors: Mitsuru Watanabe, Yutaka Kuroiwa, Motoichi Iga, Setsuro Ito, Yasuji Fukasawa
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Publication number: 20110250423Abstract: Provide a process for cutting a brittle-material plate, a window glass for vehicles obtained by the cutting process, and a system for cutting such a brittle-material plate, which are capable of cutting such a brittle-material plate in a desired planar shape in production with an automatic machine being utilized therein without making the cutting system complicated. The process for cutting such a brittle-material plate includes a first step for forming a scribe line L2 on a top surface G1 of the plate G, and a second step for relatively moving the irradiation position A of the laser beam on the top surface G1 of the plate G along the scribe line L2 to cut the plate ahead of the irradiation position in the moving direction of the plate.Type: ApplicationFiled: June 17, 2011Publication date: October 13, 2011Applicant: Asahi Glass Company, LimitedInventors: Yasuji Fukasawa, Akinori Matsumoto, Isao Saito, Sanae Fujita
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Publication number: 20090113938Abstract: It is an object of the present invention to provide a method and apparatus for efficiently remove bubbles present on a surface of molten glass, which can solve a problem that bubbles remaining on a surface of molten glass are get inside at a time of forming the glass to cause inside bubbles, to thereby provide a glass substrate of good quality, and which can improve productivity of glass substrates; and to provide a process for producing glass employing the above method for removing bubbles. The present invention provides a method for removing bubbles from molten glass, which is a method for removing floating bubbles on a surface of molten glass, wherein a floating bubble on the surface of molten glass is irradiated with at least one laser beam.Type: ApplicationFiled: November 6, 2008Publication date: May 7, 2009Applicant: Asahi Glass Company, LimitedInventors: Mitsuru Watanabe, Yutaka Kuroiwa, Motoichi Iga, Setsuro Ito, Yasuji Fukasawa
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Patent number: 6819860Abstract: An optical amplifying glass comprising 100 parts by mass of a matrix glass and from 0.1 to 10 parts by mass of Er doped to the matrix glass, wherein the matrix glass comprises Bi2O3, at least one of B2O3 and SiO2, at least one member selected from the group consisting of Ga2O3, WO3 and TeO2, and La2O3 in such a ratio that Bi2O3 is from 20 to 80 mol %, B2O3+SiO2 is from 5 to 75 mol %, Ga2O3+WO3+TeO2 is from 0.1 to 35 mol %, and La2O3 is from 0.01 to 15 mol %.Type: GrantFiled: October 7, 2002Date of Patent: November 16, 2004Assignee: Asahi Glass Company, LimitedInventors: Seiki Ohara, Hideaki Hayashi, Naoki Sugimoto, Katsuhiro Ochiai, Yasuji Fukasawa, Takeshi Hirose, Manuel Reyes
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Patent number: 6818308Abstract: A glass substrate for a display with a thickness of from 0.3 to 6 mm, which has an average WCA (filtered center line waviness: JIS B0651) of from 0.03 to 0.5 &mgr;m measured with a contact-type surface roughness measuring instrument using a phase compensation 2RC zone filter with a cutoff value of 0.8 to 25 mm over a measuring length of 200 mm.Type: GrantFiled: June 12, 2001Date of Patent: November 16, 2004Assignee: Asahi Glass Company, LimitedInventors: Jun-ichiro Kase, Yasuji Fukasawa, Yasumasa Nakao
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Publication number: 20030118316Abstract: An optical amplifying glass comprising 100 parts by mass of a matrix glass and from 0.1 to 10 parts by mass of Er doped to the matrix glass, wherein the matrix glass comprises Bi2O3, at least one of B2O3 and SiO2, at least one member selected from the group consisting of Ga2O3, WO3 and TeO2, and La2O3 in such a ratio that Bi2O3 is from 20 to 80 mol %, B2O3+SiO2 is from 5 to 75 mol %, Ga2O3+WO3+TeO2 is from 0.1 to 35 mol %, and La2O3 is from 0.01 to 15 mol %.Type: ApplicationFiled: October 7, 2002Publication date: June 26, 2003Applicant: Asahi Glass Company, LimitedInventors: Seiki Ohara, Hideaki Hayashi, Naoki Sugimoto, Katsuhiro Ochiai, Yasuji Fukasawa, Takeshi Hirose, Manuel Reyes
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Publication number: 20020012160Abstract: A glass substrate for a display with a thickness of from 0.3 to 6 mm, which has an average WCA (filtered center line waviness: JIS B0651) of from 0.03 to 0.5 &mgr;m measured with a contact-type surface roughness measuring instrument using a phase compensation 2RC zone filter with a cutoff value of 0.8 to 25 mm over a measuring length of 200 mm.Type: ApplicationFiled: June 12, 2001Publication date: January 31, 2002Applicant: Asahi Glass Company, LimitedInventors: Jun-ichiro Kase, Yasuji Fukasawa, Yasumasa Nakao
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Patent number: 6003337Abstract: A method and apparatus for producing a sheet glass includes pouring a molten glass into a bathtub containing a molten metal so that it will form a molten glass stream having a constant width in a high temperature zone on the molten metal bath. The molten glass stream in the form of a ribbon having a desired thickness is led into a subsequent shaping zone, wherein, in the high temperature zone, the molten metal level in the vicinity of the edge of the molten glass stream is differentiated from the molten metal level at the center of the glass stream to complement a force of the molten glass stream for expanding or contracting in the width direction and thereby to maintain the edge at a predetermined position.Type: GrantFiled: December 24, 1997Date of Patent: December 21, 1999Assignee: Asahi Glass Company Ltd.Inventors: Motoichi Iga, Toru Kamihori, Atsushi Inoue, Yasuji Fukasawa