Patents by Inventor Kenji Kitaoka
Kenji Kitaoka 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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Publication number: 20230347718Abstract: A decrease in the detection accuracy of infrared rays is suppressed. Vehicle glass includes a light shielding region in which a far-infrared ray transmitting region is formed, the far-infrared ray transmitting region including an opening and a far-infrared ray transmitting member (20) disposed in the opening. In the far-infrared ray transmitting member (20), the average transmittance of far-infrared rays having wavelengths of 8 ?m to 13 ?m at a first position (P1) in a case where the far-infrared rays are emitted in a direction perpendicular to a surface (20a) on a vehicle exterior side is different from the average transmittance of the far-infrared rays having wavelengths of 8 ?m to 13 ?m at a second position (P2) that is lower than the first position (P1) in the vertical direction in a case where the vehicle glass is mounted to a vehicle.Type: ApplicationFiled: June 30, 2023Publication date: November 2, 2023Applicant: AGC Inc.Inventors: Tatsuo NAGASHIMA, Mitsuyoshi KOBAYASHI, Yoji YASUI, Kenji KITAOKA
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Publication number: 20230345092Abstract: A colliding object is suppressed from reaching a driver’s seat, and an occupant and an object in a vehicle compartment are suppressed from being thrown out of a vehicle. In a vehicle glass 1, a far-infrared transmitting region in which an opening portion and a far-infrared transmissive member 20 arranged in the opening portion are provided is formed in a light shielding region. The vehicle glass 1 includes a protective member 40 that is provided on a vehicle interior side of the far-infrared transmissive member 20 and overlaps with at least a part of the far-infrared transmissive member 20 when viewed from a direction orthogonal to a vehicle exterior side surface 20a of the far-infrared transmissive member 20.Type: ApplicationFiled: June 30, 2023Publication date: October 26, 2023Applicant: AGC Inc.Inventors: Tatsuo NAGASHIMA, Takafumi INOUE, Kenji KITAOKA
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Publication number: 20230250011Abstract: To provide glass having a high refractive index and a high transmittance. Glass (10) contains at least one component selected from the group consisting of TeO2, TiO2, WO3, Nb2O5, and Bi2O3, where Bi2O3 > 11.2% is satisfied, in mole percentage on an oxide basis, in which 3.78 ? Nb2O5/ (TeO2 + TiO2 + WO3 + Nb2O5 + Bi2O3) × 100 ? 19.2 is satisfied, and a total content of Fe, Cr, and Ni is smaller than 4 ppm by mass.Type: ApplicationFiled: March 13, 2023Publication date: August 10, 2023Applicant: AGC Inc.Inventors: Akira SHIBATA, Kenji KITAOKA
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Publication number: 20220132047Abstract: The present invention aims to provide a vehicular exterior member that is excellent in strength and cost, and sufficiently ensures a viewing field of sharpness of a thermal image obtained by a far-infrared camera. A vehicular exterior member that includes a light blocking region and is configured to be attached to a vehicle equipped with a far-infrared camera. The vehicular exterior member further includes, in the light blocking region, a far-infrared ray transmitting region having an opening and a far-infrared ray transmitting member disposed in the opening. An average transmittance of far-infrared rays having a wavelength ranging from 8 to 13 ?m of the far-infrared ray transmitting member is equal to or larger than 25%. A length of the longest straight line in straight lines connecting any desired two points on a surface on a vehicle exterior side of the far-infrared ray transmitting member is equal to or smaller than 80 mm.Type: ApplicationFiled: January 6, 2022Publication date: April 28, 2022Applicant: AGC Inc.Inventors: Tatsuo NAGASHIMA, Kenji KITAOKA
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Publication number: 20210179479Abstract: An optical glass has: a refractive index (nd) of 1.81 to 2.15; a density (d) of 6.0 g/cm3 or less; a temperature T1, at which a viscosity of the glass is 101 dPa·s, of 900° C. to 1,200° C.; a devitrification temperature of 1,300° C. or lower; and a content of SiO2 of 5% to 44% in mol % based on oxides.Type: ApplicationFiled: February 26, 2021Publication date: June 17, 2021Applicant: AGC Inc.Inventors: Shinichi AMMA, Kenji KITAOKA
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Patent number: 10478784Abstract: There is provided a glass substrate for observing minute substance, made of porous glass and capable of separating and capturing a minute substance with a 10 to 500 nm average particle diameter contained in a solution or a suspension, comprising a porous glass substrate having a plurality of pores, wherein the plurality of pores has an average pore diameter ranging from 30 to 110% of the average particle diameter of the minute substance, each of the plurality of pores has a surface pore diameter on an uppermost surface of the glass substrate, a standard deviation of the surface pore diameter is 60% or less of the average particle diameter of the minute substance, and a pore with a pore diameter ranging from 60 to 140% of a pore diameter at peak top in a pore diameter distribution of the plurality of pores occupies 90% or more of total pore volume.Type: GrantFiled: August 22, 2017Date of Patent: November 19, 2019Assignee: AGC Inc.Inventors: Shuji Yamazaki, Shuichiro Kimura, Kenji Kitaoka, Yu Hanawa
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Patent number: 10294144Abstract: There is provided an optical glass having high infrared transmittance and being useful as an on-vehicle infrared sensor and the like. An optical glass including, in expression of atomic %: Ge+Ga; 6% to 30%; S+Se+Te; 50% to 85%; and Ti; 0.001% to 0.5%, wherein a wavelength (?T10%) at a long-wavelength side end in which infrared transmittance in a glass plate of the optical glass converted to a thickness of 1 mm becomes 10% is 12 ?m or more.Type: GrantFiled: May 15, 2018Date of Patent: May 21, 2019Assignee: AGC Inc.Inventors: Tatsuo Nagashima, Hiroyasu Miyazawa, Kenji Kitaoka
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Publication number: 20180257977Abstract: There is provided an optical glass having high infrared transmittance and being useful as an on-vehicle infrared sensor and the like. An optical glass including, in expression of atomic %: Ge+Ga; 6% to 30%; S+Se+Te; 50% to 85%; and Ti; 0.001% to 0.5%, wherein a wavelength (?T10%) at a long-wavelength side end in which infrared transmittance in a glass plate of the optical glass converted to a thickness of 1 mm becomes 10% is 12 ?m or more.Type: ApplicationFiled: May 15, 2018Publication date: September 13, 2018Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Tatsuo NAGASHIMA, Hiroyasu MIYAZAWA, Kenji KITAOKA
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Patent number: 9938181Abstract: A white glass includes, in terms of mole percentage on the basis of oxides, from 50% to 74% of SiO2, from 0 to 8% of B2O3, from 1% to 8% of Al2O3, from 0 to 18% of MgO, from 0 to 7% of CaO, from 0 to 10% of SrO, from 0 to 12% of BaO, from 0 to 5% of ZrO2, from 5% to 15% of Na2O and from 2% to 10% of P2O5. In the white glass, a total content of CaO, SrO and BaO is from 1% to 22%, a total content RO of MgO, CaO, SrO and BaO is from 5% to 25% and a ratio CaO/RO of a content of CaO to the RO is 0.7 or less.Type: GrantFiled: July 28, 2015Date of Patent: April 10, 2018Assignee: ASAHI GLASS COMPANY, LIMITEDInventors: Junko Miyasaka, Seiki Ohara, Kenji Kitaoka
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Publication number: 20170348647Abstract: There is provided a glass substrate for observing minute substance, made of porous glass and capable of separating and capturing a minute substance with a 10 to 500 nm average particle diameter contained in a solution or a suspension, comprising a porous glass substrate having a plurality of pores, wherein the plurality of pores has an average pore diameter ranging from 30 to 110% of the average particle diameter of the minute substance, each of the plurality of pores has a surface pore diameter on an uppermost surface of the glass substrate, a standard deviation of the surface pore diameter is 60% or less of the average particle diameter of the minute substance, and a pore with a pore diameter ranging from 60 to 140% of a pore diameter at peak top in a pore diameter distribution of the plurality of pores occupies 90% or more of total pore volume.Type: ApplicationFiled: August 22, 2017Publication date: December 7, 2017Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Shuji YAMAZAKI, Shuichiro KIMURA, Kenji KITAOKA, Yu HANAWA
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Publication number: 20170044049Abstract: A glass includes, as represented by mole percentage based on the following oxides, from 56 to 72% of SiO2, from 3 to 20% of B2O3, from 8 to 20% of Al2O3, from 8 to 25% of Na2O, from 0 to 5% of K2O, from 0 to 15% of MgO, from 0 to 5% of CaO, from 0 to 3% of SrO, from 0 to 3% of BaO, and from 0.1 to 8% of ZrO2. The glass contains substantially no Li2O.Type: ApplicationFiled: October 27, 2016Publication date: February 16, 2017Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Shuji YAMAZAKI, Shusaku AKIBA, Kenji KITAOKA
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Publication number: 20160145148Abstract: Provided are a glass body for pressure forming enabling press forming in a low-temperature range without the need of a special mold material, and a method for manufacturing the same. A glass body for pressure forming 1 having a porosified layer 1b formed by porosifying a surface thereof and having a Vickers hardness of 85 N/mm2 or less on the porosified surface. The porosified layer 1b can be manufactured by phase-separating the glass body by spinodal decomposition, acid-treating the phase-separated glass body and then treating the acid-treated glass body with alkali or hot water to porosify the surface of the glass body.Type: ApplicationFiled: February 2, 2016Publication date: May 26, 2016Applicants: KOBE UNIVERSITY, ASAHI GLASS COMPANY, LIMITEDInventors: Kenji IMAKITA, Minoru FUJII, Kenji KITAOKA
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Publication number: 20150329409Abstract: A white glass includes, in terms of mole percentage on the basis of oxides, from 50% to 74% of SiO2, from 0 to 8% of B2O3, from 1% to 8% of Al2O3, from 0 to 18% of MgO, from 0 to 7% of CaO, from 0 to 10% of SrO, from 0 to 12% of BaO, from 0 to 5% of ZrO2, from 5% to 15% of Na2O and from 2% to 10% of P2O5. In the white glass, a total content of CaO, SrO and BaO is from 1% to 22%, a total content RO of MgO, CaO, SrO and BaO is from 5% to 25% and a ratio CaO/RO of a content of CaO to the RO is 0.7 or less.Type: ApplicationFiled: July 28, 2015Publication date: November 19, 2015Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Junko MIYASAKA, Seiki OHARA, Kenji KITAOKA
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Patent number: 9130250Abstract: A process for producing a metamaterial excellent in productivity is provided. The present invention relates to a process for producing a metamaterial including an electromagnetic wave resonator resonating with an electromagnetic wave, the process including: vapor-depositing a material which can form the electromagnetic wave resonator to a support having a shape corresponding to a shape of the electromagnetic wave resonator to thereby arrange the electromagnetic wave resonator on the support.Type: GrantFiled: January 14, 2013Date of Patent: September 8, 2015Assignee: ASAHI GLASS COMPANY, LIMITEDInventors: Kenji Kitaoka, Kazuhiko Niwano
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Publication number: 20150132525Abstract: The present invention provides a method for manufacturing a small-sized physically-strengthened glass sheet having excellent design properties, a structure using the small-sized physically-strengthened glass sheet, and a method for manufacturing the structure. In the cutting step in the method for manufacturing a physically-strengthened glass sheet of the present invention, the intermediate layer 17 is locally heated at a temperature not higher than the annealing point thereof with a laser beam 20 to thereby locally generate a tensile stress smaller than the internal residual tensile stress CT or a compressive stress in the intermediate layer 17 to control the propagation speed of the crack 30 due to the internal residual tensile stress.Type: ApplicationFiled: January 12, 2015Publication date: May 14, 2015Applicant: ASAHI GLASS COMPANY, LIMITEDInventors: Yasumasa KATO, Takahiro Nagata, Isao Saito, Akio Koike, Kenji Kitaoka, June Sasai
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Publication number: 20150060281Abstract: A method for manufacturing a metamaterial including an electromagnetic wave resonator that resonates with an electromagnetic wave is provided. In the method, a support including a portion where the electromagnetic wave resonator is to be formed is formed, and the electromagnetic wave resonator is arranged in the support by depositing a material to form the electromagnetic wave resonator on the portion of the support. The support is formed by forming a column structure of a hydrophilic/hydrophobic phase-separated film including a hydrophilic liquid phase area penetrating through in a thickness direction, by packing a filler into the column structure of the hydrophilic/hydrophobic phase-separated film including the hydrophilic liquid phase area so as to form the filler as high as the column structure, and by obtaining the support including the filler by removing at least a part of the hydrophilic/hydrophobic phase-separated film.Type: ApplicationFiled: July 21, 2014Publication date: March 5, 2015Applicants: TOKYO INSTITUTE OF TECHNOLOGY, Asahi Glass Company, LimitedInventors: Tomokazu IYODA, Hironori ATARASHI, Nanae YAMASHITA, Kaori KAMATA, Kenji KITAOKA
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Patent number: 8501649Abstract: The present invention provides an optical glass, containing, in % by weight on an oxide basis, 30 to 50% of P2O5, 18 to 43% of BaO, 2 to 12% of B2O3, 1.4 to 5% of Al2O3, more than 0 to 6% of Li2O, more than 0 to 9% of La2O3, 0.1 to 8% of MgO, 0 to 10% of CaO, 0 to 15% of SrO, 0 to 5% of ZnO, 0 to 7% of Gd2O3, and 0 to 3% of SiO2, and having optical constants of a refractive index nd of 1.59 to 1.63 and an Abbe number ?d of 63 to 68.Type: GrantFiled: August 4, 2011Date of Patent: August 6, 2013Assignee: Asahi Glass Company, LimitedInventor: Kenji Kitaoka
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Patent number: 8207074Abstract: The present invention relates to an optical glass containing, in terms of mass % on an oxide basis, P2O5: from 10 to 18%; Bi2O3: from 37 to 64%; Nb2O5: from 5 to 25%; Na2O: from more than 4.1 to 10%; K2O: from 0 to 2%; Li2O: from 0 to 0.2%; WO3: from 0 to less than 20%; TiO2: from 0 to 3%; and B2O3: from 0 to 2%, and having a refractive index nd of 1.98 or more and an Abbe's number ?d of 20 or less.Type: GrantFiled: April 26, 2010Date of Patent: June 26, 2012Assignee: Asahi Glass Company, LimitedInventor: Kenji Kitaoka
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Publication number: 20120035042Abstract: The present invention provides an optical glass, containing, in % by weight on an oxide basis, 30 to 50% of P2O5, 18 to 43% of BaO, 2 to 12% of B2O3, 1.4 to 5% of Al2O3, more than 0 to 6% of Li2O, more than 0 to 9% of La2O3, 0.1 to 8% of MgO, 0 to 10% of CaO, 0 to 15% of SrO, 0 to 5% of ZnO, 0 to 7% of Gd2O3, and 0 to 3% of SiO2, and having optical constants of a refractive index nd of 1.59 to 1.63 and an Abbe number ?d of 63 to 68.Type: ApplicationFiled: August 4, 2011Publication date: February 9, 2012Applicant: ASAHI GLASS COMPANY, LIMITEDInventor: Kenji KITAOKA
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Publication number: 20100273633Abstract: The present invention relates to an optical glass containing, in terms of mass % on an oxide basis, P2O5: from 10 to 18%; Bi2O3: from 37 to 64%; Nb2O5: from 5 to 25%; Na2O: from more than 4.1 to 10%; K2O: from 0 to 2%; Li2O: from 0 to 0.2%; WO3: from 0 to less than 20%; TiO2: from 0 to 3%; and B2O3: from 0 to 2%, and having a refractive index nd of 1.98 or more and an Abbe's number ?d of 20 or less.Type: ApplicationFiled: April 26, 2010Publication date: October 28, 2010Applicant: ASAHI GLASS COMPANY LIMITEDInventor: Kenji KITAOKA