Patents by Inventor Makoto Shiratori
Makoto Shiratori 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: 10689288Abstract: An ultraviolet transmitting glass containing, in mole percentage based on oxides, 55 to 80% of SiO2, 12 to 27% of B2O3, 4 to 20% of R2O (where R represents an alkali metal selected from a group consisting of Li, Na, and K) in total, 0 to 3.5% of Al2O3, 0 to 5% of R?O (where R? represents an alkaline earth metal selected from a group consisting of Mg, Ca, Sr, and Ba) in total, 0 to 5% of ZnO, and 0 to 10% of ZrO2, wherein transmittance at a wavelength of 254 nm in terms of spectral transmittance at a plate thickness of 0.5 mm is 70% or more. The glass with high ultraviolet light transmittance, in particular, high deep ultraviolet light transmittance is provided.Type: GrantFiled: November 6, 2017Date of Patent: June 23, 2020Assignee: AGC Inc.Inventors: Takahiro Sakagami, Makoto Shiratori
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Patent number: 10647607Abstract: An ultraviolet transmitting glass containing, in mole percentage based on oxides, 55 to 80% of SiO2, 12 to 27% of B2O3, 4 to 20% of R2O (where R represents an alkali metal selected from a group consisting of Li, Na, and K) in total, 0 to 3.5% of Al2O3, 0 to 5% of R?O (where R? represents an alkaline earth metal selected from a group consisting of Mg, Ca, Sr, and Ba) in total, 0 to 5% of ZnO, and 0 to 10% of ZrO2, wherein transmittance at a wavelength of 254 nm in terms of spectral transmittance at a plate thickness of 0.5 mm is 70% or more. The glass with high ultraviolet light transmittance, in particular, high deep ultraviolet light transmittance is provided.Type: GrantFiled: November 6, 2017Date of Patent: May 12, 2020Assignee: AGC Inc.Inventors: Takahiro Sakagami, Makoto Shiratori
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Patent number: 10358378Abstract: It is an object of the present invention to provide near infrared cutoff filter glass having a high transmittance in a visible light range and a low transmittance in a near infrared light range and being excellent in the devitrification resistance, even though the concentration of Cu components in the glass is high for forming a thin plate. A near infrared cutoff filter glass, which comprises, as represented by cation percentage: P5+ 30 to 50%, Al3+ 5 to 20%, R+ 20 to 40% (wherein R+ is the total amount of Li++Na++K+), R?2+ 5 to 30% (wherein R?2+ is the total amount of Mg2++Ca2++Sr2++Ba2++Zn2+), Cu2+ 3 to 15% and comprises, as represented by anion percentage: O2? 30 to 90% and F? 10 to 70%, wherein (Li++Na++K+)/(P5++Al3+) is from 0.45 to 1.0, and (Sr2++Ba2++Cu2+)/(Al3++Mg2++Ca2+) is from 0.5 to 1.0.Type: GrantFiled: November 20, 2017Date of Patent: July 23, 2019Assignee: AGC Inc.Inventor: Makoto Shiratori
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Patent number: 10252936Abstract: A near-infrared cut filter glass includes: P, Al, R (R represents any one or more of Li, Na, and K), R? (R? represents any one or more of Mg, Ca, Sr, Ba, and Zn), and Cu, and not including F practically, wherein (Cu+ amount/total Cu amount)×100[%] is 0.01 to 7.0%. The filter glass may further include, by mol %, 0 to 10% B2O3. The filter glass may have a fracture toughness value of the near-infrared cut filter glass is 0.3 MPa·m1/2 or more. For the filter glass, a quotient obtained by dividing an absorption constant at a wavelength of 430 nm by an absorption constant at a wavelength of 800 nm, of the near-infrared cut filter glass, may be 0.00001 to 0.19.Type: GrantFiled: October 17, 2017Date of Patent: April 9, 2019Assignee: AGC Inc.Inventors: Takahiro Sakagami, Takeshi Yamaguchi, Makoto Shiratori
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Patent number: 10150693Abstract: To provide a near infrared cutoff filter glass which is excellent in optical properties such that the transmittance of light in the visible range is high and the transmittance of near infrared light is low. A near infrared cutoff filter glass comprising P, F, O, Cu and Ce, wherein by cation %, from 0.1 to 15% of Cu2+ is contained, and the ratio of Cu2+ to Ce4+ (Cu2+/Ce4+) is from 3.5 to 15.Type: GrantFiled: August 8, 2017Date of Patent: December 11, 2018Assignee: AGC Inc.Inventor: Makoto Shiratori
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Publication number: 20180215652Abstract: An ultraviolet light transmitting glass contains, in molar percentage on an oxide basis, 55% or more and 80% or less of SiO2; 12% or more and 27% or less of B2O3; 4% or more and 20% or less of R2O in total, where R represents at least one alkali metal selected from a group consisting of Li, Na, and K; 0% or more and 5% or less of Al2O3; 0% or more and 5% or less of R?O in total, where R? represents at least one alkaline earth metal selected from a group consisting of Mg, Ca, Sr, and Ba; 0% or more and 5% or less of ZnO; and 1.5% or more and 20% or less of ZrO2. The ultraviolet light transmitting glass with a thickness of 0.5 mm has a transmittance of 70% or more at a wavelength of 254 nm.Type: ApplicationFiled: March 29, 2018Publication date: August 2, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Takahiro SAKAGAMI, Makoto SHIRATORI
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Patent number: 9926221Abstract: To provide a near infrared cutoff filter glass which is excellent in optical properties such that the transmittance of visible light is high, and the transmittance of near infrared light is low. A near infrared cutoff filter glass comprising components of P, F, Al, R (R is at least one member selected from Li, Na and K), R? (R? is at least one member selected from Mg, Ca, Sr, Ba and Zn) and Cu, wherein (Cu+/the total amount of Cu)×100[%] is within a range of from 0.01 to 4.0%.Type: GrantFiled: August 29, 2016Date of Patent: March 27, 2018Assignee: Asahi Glass Company, LimitedInventors: Makoto Shiratori, Takeshi Yamaguchi
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Publication number: 20180072610Abstract: It is an object of the present invention to provide near infrared cutoff filter glass having a high transmittance in a visible light range and a low transmittance in a near infrared light range and being excellent in the devitrification resistance, even though the concentration of Cu components in the glass is high for forming a thin plate. A near infrared cutoff filter glass, which comprises, as represented by cation percentage: P5+ 30 to 50%, Al3+ 5 to 20%, R+ 20 to 40% (wherein R+ is the total amount of Li++Na++K+), R?2+ 5 to 30% (wherein R?2+ is the total amount of Mg2++Ca2++Sr2++Ba2++Zn2+), Cu2+ 3 to 15% and comprises, as represented by anion percentage: O2? 30 to 90% and F? 10 to 70%, wherein (Li++Na++K+)/(P5++Al3+) is from 0.45 to 1.0, and (Sr2++Ba2++Cu2+)/(Al3++Mg2++Ca2+) is from 0.5 to 1.0.Type: ApplicationFiled: November 20, 2017Publication date: March 15, 2018Applicant: Asahi Glass Company, LimitedInventor: Makoto SHIRATORI
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Publication number: 20180057393Abstract: An ultraviolet transmitting glass containing, in mole percentage based on oxides, 55 to 80% of SiO2, 12 to 27% of B2O3, 4 to 20% of R20 (where R represents an alkali metal selected from a group consisting of Li, Na, and K) in total, 0 to 3.5% of Al2O3, 0 to 5% of R?O (where R? represents an alkaline earth metal selected from a group consisting of Mg, Ca, Sr, and Ba) in total, 0 to 5% of ZnO, and 0 to 10% of ZrO2, wherein transmittance at a wavelength of 254 nm in terms of spectral transmittance at a plate thickness of 0.5 mm is 70% or more. The glass with high ultraviolet light transmittance, in particular, high deep ultraviolet light transmittance is provided.Type: ApplicationFiled: November 6, 2017Publication date: March 1, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Takahiro SAKAGAMI, Makoto SHIRATORI
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Publication number: 20180037492Abstract: A near-infrared cut filter glass includes: P, Al, R (R represents any one or more of Li, Na, and K), R? (R? represents any one or more of Mg, Ca, Sr, Ba, and Zn), and Cu, and not including F practically, wherein (Cu+ amount/total Cu amount)×100[%] is 0.01 to 7.0%. The filter glass may further include, by mol %, 0 to 10% B2O3. The filter glass may have a fracture toughness value of the near-infrared cut filter glass is 0.3 MPa·m1/2 or more. For the filter glass, a quotient obtained by dividing an absorption constant at a wavelength of 430 nm by an absorption constant at a wavelength of 800 nm, of the near-infrared cut filter glass, may be 0.00001 to 0.19.Type: ApplicationFiled: October 17, 2017Publication date: February 8, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Takahiro SAKAGAMI, Takeshi YAMAGUCHI, Makoto SHIRATORI
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Patent number: 9831392Abstract: To provide a cover glass for light emitting diode package, which is capable of preventing deterioration in transmittance characteristics during use for a long period of time, and a light emitting device. The cover glass for light emitting diode package has a basic composition comprising, by mass % as calculated as oxides, from 55 to 80% of SiO2, from 0.5 to 15% of Al2O3, from 5 to 25% of B2O3, from 0 to 7% of Li2O, from 0 to 15% of Na2O, from 0 to 10% of K2O (provided Li2O+Na2O+K2O=from 2 to 20%), from 0 to 0.1% of SnO2 and from 0.001 to 0.1% of Fe2O3, it does not substantially contain As2O3, Sb2O3 and PbO, and it has an average thermal expansion coefficient of from 45 to 70×10?7/° C. in a temperature range of from 0 to 300° C.Type: GrantFiled: June 2, 2016Date of Patent: November 28, 2017Assignee: Asahi Glass Company, LimitedInventors: Makoto Shiratori, Yoko Mitsui, Satoshi Takeda
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Publication number: 20170334766Abstract: To provide a near infrared cutoff filter glass which is excellent in optical properties such that the transmittance of light in the visible range is high and the transmittance of near infrared light is low. A near infrared cutoff filter glass comprising P, F, O, Cu and Ce, wherein by cation %, from 0.1 to 15% of Cu2+ is contained, and the ratio of Cu2+ to Ce4+ (Cu2+/Ce4+) is from 3.5 to 15.Type: ApplicationFiled: August 8, 2017Publication date: November 23, 2017Applicant: Asahi Glass Company, LimitedInventor: Makoto SHIRATORI
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Patent number: 9776908Abstract: Coating film-attached glass includes: glass containing a coloring component; and a colored coating film formed on one major surface of the glass, wherein at least one of an absolute value of a difference between (?a*(D65?F2)) of the glass and (?a*(D65?F2)) of the coating film and an absolute value of a difference between (?a*(A?F2)) of the glass and (?a*(A?F2)) of the coating film is 0.2 or more, where (?a*(D65?F2)) is a difference between a chromaticity a* value of reflected light by a D65 light source and a chromaticity a* value of reflected light by an F2 light source in an L*a*b* color system and (?a*(A?F2)) is a difference between a chromaticity a* value of reflected light by an A light source and the chromaticity a* value of the reflected light by the F2 light source in the L*a*b* color system.Type: GrantFiled: October 16, 2015Date of Patent: October 3, 2017Assignee: ASAHI GLASS COMPANY, LIMITEDInventors: Hiroyuki Yamamoto, Kazuhide Kuno, Makoto Shiratori
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Publication number: 20160363703Abstract: To provide a near infrared cutoff filter glass which is excellent in optical properties such that the transmittance of visible light is high, and the transmittance of near infrared light is low. A near infrared cutoff filter glass comprising components of P, F, Al, R (R is at least one member selected from Li, Na and K), R? (R? is at least one member selected from Mg, Ca, Sr, Ba and Zn) and Cu, wherein (Cu+/the total amount of Cu)×100[%] is within a range of from 0.01 to 4.0%.Type: ApplicationFiled: August 29, 2016Publication date: December 15, 2016Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Makoto SHIRATORI, Takeshi YAMAGUCHI
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Publication number: 20160276544Abstract: To provide a cover glass for light emitting diode package, which is capable of preventing deterioration in transmittance characteristics during use for a long period of time, and a light emitting device. The cover glass for light emitting diode package has a basic composition comprising, by mass % as calculated as oxides, from 55 to 80% of SiO2, from 0.5 to 15% of Al2O3, from 5 to 25% of B2O3, from 0 to 7% of Li2O, from 0 to 15% of Na2O, from 0 to 10% of K2O (provided Li2O+Na2O+K2O=from 2 to 20%), from 0 to 0.1% of SnO2 and from 0.001 to 0.1% of Fe2O3, it does not substantially contain As2O3, Sb2O3 and PbO, and it has an average thermal expansion coefficient of from 45 to 70×10?7/° C. in a temperature range of from 0 to 300° C.Type: ApplicationFiled: June 2, 2016Publication date: September 22, 2016Applicant: Asahi Glass Company, LimitedInventors: Makoto SHIRATORI, Yoko MITSUI, Satoshi TAKEDA
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Patent number: 9321672Abstract: To provide a crystallized glass housing excellent in properties suitable for a housing for an electronic device, such as shielding properties, high strength and production cost. A crystallized glass housing made of crystallized glass, said crystallized glass having a diffused transmittance of 15% or less in the entire light wavelength region of from 380 nm to 780 nm, as measured by using an integrated sphere.Type: GrantFiled: January 15, 2014Date of Patent: April 26, 2016Assignee: Asahi Glass Company, LimitedInventors: Makoto Shiratori, Yuuichi Iida, Kazuhide Kuno
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Publication number: 20160039709Abstract: In glass or chemically tempered glass containing a coloring component, when chromaticity of a major surface is measured on the glass in a state of a glass plate with a 0.8 mm thickness, at least one of an absolute value of a difference (?a*(D65?F2)) and is an absolute value of a difference (?a*(A?F2)) is 2.10 or more, where the difference (?a*(D65?F2)) is a difference between a chromaticity a* value of reflected light by a D65 light source and a chromaticity a* value of reflected light by an F2 light source in an L*a*b* color system and the difference (?a*(A?F2)) is a difference between a chromaticity a* value of reflected light by an A light source and the chromaticity a* value of the reflected light by the F2 light source in the L*a*b* color system.Type: ApplicationFiled: October 16, 2015Publication date: February 11, 2016Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Hiroyuki YAMAMOTO, Kazuhide KUNO, Makoto SHIRATORI
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Publication number: 20160031747Abstract: Coating film-attached glass includes: glass containing a coloring component; and a colored coating film formed on one major surface of the glass, wherein at least one of an absolute value of a difference between (?a*(D65?F2)) of the glass and (?a*(D65?F2)) of the coating film and an absolute value of a difference between (?a*(A?F2)) of the glass and (?a*(A?F2)) of the coating film is 0.2 or more, where (?a*(D65?F2)) is a difference between a chromaticity a* value of reflected light by a D65 light source and a chromaticity a* value of reflected light by an F2 light source in an L*a*b* color system and (?a*(A?F2)) is a difference between a chromaticity a* value of reflected light by an A light source and the chromaticity a* value of the reflected light by the F2 light source in the L*a*b* color system.Type: ApplicationFiled: October 16, 2015Publication date: February 4, 2016Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Hiroyuki YAMAMOTO, Kazuhide KUNO, Makoto SHIRATORI
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Publication number: 20140194270Abstract: To provide a crystallized glass housing excellent in properties suitable for a housing for an electronic device, such as shielding properties, high strength and production cost. A crystallized glass housing made of crystallized glass, said crystallized glass having a diffused transmittance of 15% or less in the entire light wavelength region of from 380 nm to 780 nm, as measured by using an integrated sphere.Type: ApplicationFiled: January 15, 2014Publication date: July 10, 2014Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Makoto SHIRATORI, YUUICHI IIDA, Kazuhide KUNO
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Publication number: 20140154440Abstract: To provide glass for chemical strengthening from which glass having high strength and having excellent solarization resistance is obtained, and a housing such glass. Glass for chemical strengthening comprises, as represented by mole percentage based on oxides, at least from 55 to 80% of SiO2, from 5 to 20% of Na2O, from 0.001 to 3% of Fe2O3 and from 0.001 to 3% of TiO2 and further contains as a coloring component from 0.001 to 10% of MpOq (wherein M is at least one member selected from Co, Cu, V, Cr, Pr, Ce, Bi, Eu, Mn, Er, Ni, Nd, W, Rb, Sn and Ag, and p and q represent the atomic ratio of M and O). A glass housing comprises chemically strengthened glass obtained by subjecting the glass for chemical strengthening to chemical strengthening treatment.Type: ApplicationFiled: February 10, 2014Publication date: June 5, 2014Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yuuichi Iida, Makoto Shiratori