Patents by Inventor Yoshio Okano
Yoshio Okano 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: 20240133023Abstract: The current disclosure relates to highly homogeneous glass sputter targets with a large aspect ratio and a high relative density. The glass sputter targets have properties that are desirable for forming thin films by physical vapor deposition processes such as sputtering.Type: ApplicationFiled: December 21, 2023Publication date: April 25, 2024Applicants: SCHOTT Corporation, SCHOTT AG, SCHOTT Japan CorporationInventors: James Marro, Yoshio Okano, Azatuhi Ayrikyan, William Preston
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Patent number: 11315441Abstract: A material for forming an organ model containing an aqueous gel, which comprises polyvinyl alcohol having an average degree of polymerization of 300 to 3500 and a degree of saponification of not less than 90% by mole, and silica particles; a method for producing a material for forming an organ model, comprising cooling an aqueous polyvinyl alcohol solution which contains polyvinyl alcohol having an average degree of polymerization of 300 to 3500 and a degree of saponification of not less than 90% by mole and silica particles, to a temperature of ?10° C. or lower, and thawing the resulting formed aqueous gel; and an organ model at least provided with a surface layer comprising the material for forming an organ model.Type: GrantFiled: April 27, 2010Date of Patent: April 26, 2022Assignee: YUUGENGAISHA SEIWADENTALInventors: Yoshio Okano, Hiroshige Sasaki
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Publication number: 20210125524Abstract: A material for forming an organ model containing an aqueous gel, which comprises polyvinyl alcohol having an average degree of polymerization of 300 to 3500 and a degree of saponification of not less than 90% by mole, and silica particles; a method for producing a material for forming an organ model, comprising cooling an aqueous polyvinyl alcohol solution which contains polyvinyl alcohol having an average degree of polymerization of 300 to 3500 and a degree of saponification of not less than 90% by mole and silica particles, to a temperature of ?10° C. or lower, and thawing the resulting formed aqueous gel; and an organ model at least provided with a surface layer comprising the material for forming an organ model. Provided is an organ model which has a hydrophilic property similar to an organ of a human body, and gives such an incision feel of performing surgical procedures.Type: ApplicationFiled: January 5, 2021Publication date: April 29, 2021Applicant: YUUGENGAISHA SEIWADENTALInventors: Yoshio Okano, Hiroshige Sasaki
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Publication number: 20190358934Abstract: A flexible article made of glass and metal foil, as well as the production thereof, are provided. The flexible article is a multilayered structure having at least one glass layer and one metal foil layer, and the shear strength between glass and metal foil is above 1 MPa/mm2. The glass layer of said flexible article has high electrical resistivity at ambient temperature, low roughness, low thickness, good adherence to metal foil, and the glass in the glass layer has high temperature stability and low flowing temperature, and the thermal expansion coefficient (20 to 300° C.) is 1×10?6/K to 25×10?6/K. The whole article is flexible and can be bent, and the curvature radius of the bent flexible article is above 1 mm.Type: ApplicationFiled: August 6, 2019Publication date: November 28, 2019Applicant: SCHOTT GLASS TECHNOLOGIES (SUZHOU) CO. LTD.Inventors: Guangjun ZHANG, Yoshio OKANO, Pengshu LIU, Sangjin KIM, Xiaofeng XU, Friedrich SIEBERS, Jose ZIMMER
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Publication number: 20160031187Abstract: A flexible article made of glass and metal foil, as well as the production thereof, are provided. The flexible article is a multilayered structure having at least one glass layer and one metal foil layer, and the shear strength between glass and metal foil is above 1 MPa/mm2. The glass layer of said flexible article has high electrical resistivity at ambient temperature, low roughness, low thickness, good adherence to metal foil, and the glass in the glass layer has high temperature stability and low flowing temperature, and the thermal expansion coefficient (20 to 300° C.) is 1×10?6/K to 25×10?6/K. The whole article is flexible and can be bent, and the curvature radius of the bent flexible article is above 1 mm.Type: ApplicationFiled: October 12, 2015Publication date: February 4, 2016Inventors: Guangjun ZHANG, Yoshio OKANO, Pengshu LIU, Sangjin KIM, Xiaofeng XU, Friedrich SIEBERS, Jose ZIMMER
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Patent number: 9202389Abstract: A blood vessel model which imitates a human blood vessel including an aqueous gel made from polyvinyl alcohol having an average polymerization degree of 300 to 3500 and a saponification degree of 90% by mole or more, and silica particles; and a method for producing a blood vessel model which imitates a human blood vessel, including filling a mixed solution containing polyvinyl alcohol having an average polymerization degree of 300 to 3500 and a saponification degree of 90% by mole or more, silica particles and water in a mold for forming a blood vessel model, and freezing the mixture at a temperature of ?10° C. or lower, followed by thawing. The blood vessel model can be suitably used as a blood vessel model for practicing insertion of a stent graft into an aneurysm, a blood vessel model for practicing resection or ligation surgery of a blood vessel, and the like.Type: GrantFiled: May 8, 2014Date of Patent: December 1, 2015Inventor: Yoshio Okano
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Publication number: 20140246798Abstract: A blood vessel model which imitates a human blood vessel including an aqueous gel made from polyvinyl alcohol having an average polymerization degree of 300 to 3500 and a saponification degree of 90% by mole or more, and silica particles; and a method for producing a blood vessel model which imitates a human blood vessel, including filling a mixed solution containing polyvinyl alcohol having an average polymerization degree of 300 to 3500 and a saponification degree of 90% by mole or more, silica particles and water in a mold for forming a blood vessel model, and freezing the mixture at a temperature of ?10° C. or lower, followed by thawing. The blood vessel model can be suitably used as a blood vessel model for practicing insertion of a stent graft into an aneurysm, a blood vessel model for practicing resection or ligation surgery of a blood vessel, and the like.Type: ApplicationFiled: May 8, 2014Publication date: September 4, 2014Applicant: YUUGENGAISHA SEIWADENTALInventor: Yoshio Okano
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Patent number: 8758797Abstract: A blood vessel model which imitates a human blood vessel including an aqueous gel made from polyvinyl alcohol having an average polymerization degree of 300 to 3500 and a saponification degree of 90% by mole or more, and silica particles; and a method for producing a blood vessel model which imitates a human blood vessel, including filling a mixed solution containing polyvinyl alcohol having an average polymerization degree of 300 to 3500 and a saponification degree of 90% by mole or more, silica particles and water in a mold for forming a blood vessel model, and freezing the mixture at a temperature of ?10° C. or lower, followed by thawing. The blood vessel model can be suitably used as a blood vessel model for practicing insertion of a stent graft into an aneurysm, a blood vessel model for practicing resection or ligation surgery of a blood vessel, and the like.Type: GrantFiled: September 9, 2010Date of Patent: June 24, 2014Assignee: Yuugengaisha SeiwadentalInventor: Yoshio Okano
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Patent number: 8679996Abstract: A transparent, polycrystalline ceramic is described. The ceramic comprises crystallites of the formula AxCuByDvEzFw, whereby A and C are selected from the group consisting of Li+, Na+, Be2+, Mg2+, Ca2+, Sr2+, Ba2+, Al3+, Ga3+, In3+, C4+, Si4+, Ge4+, Sn2+/4+, Sc3+, Ti4+, Zn2+, Zr4+, Mo6+, Ru4+, Pd2+, Ag2+, Cd2+, Hf4+, W4+/6+, Re4+, Os4+, Ir4+, Pt2+/4+, Hg2+ and mixtures thereof, B and D are selected from the group consisting of Li+, Na+, K+, Mg2+, Al3+, Ga3+, In3+, Si4+, Ge4+, Sn4+, Sc3+, Ti4+, Zn2+, Y3+, Zr4+, Nb3+, Ru3+, Rh3+, La3+, Lu3+, Gd3+ and mixtures thereof, E and F are selected mainly from the group consisting of the divalent anions of S, Se and O and mixtures thereof, x, u, y, v, z and w satisfy the following formulae 0.125<(x+u)/(y+v)?0.55 z+w=4 and at least 95% by weight of the crystallites display symmetric, cubic crystal structures of the spinel type, with the proviso that when A=C=Mg2+ and B=D=Al3+, E and F cannot both be O.Type: GrantFiled: November 18, 2010Date of Patent: March 25, 2014Assignee: Schott AGInventors: Yvonne Menke, Peter Blaum, Ulrich Peuchert, Yoshio Okano
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Publication number: 20120156666Abstract: A blood vessel model which imitates a human blood vessel including an aqueous gel made from polyvinyl alcohol having an average polymerization degree of 300 to 3500 and a saponification degree of 90% by mole or more, and silica particles; and a method for producing a blood vessel model which imitates a human blood vessel, including filling a mixed solution containing polyvinyl alcohol having an average polymerization degree of 300 to 3500 and a saponification degree of 90% by mole or more, silica particles and water in a mold for forming a blood vessel model, and freezing the mixture at a temperature of ?10° C. or lower, followed by thawing. The blood vessel model can be suitably used as a blood vessel model for practicing insertion of a stent graft into an aneurysm, a blood vessel model for practicing resection or ligation surgery of a blood vessel, and the like.Type: ApplicationFiled: September 9, 2010Publication date: June 21, 2012Applicant: YUUGENGAISHA SEIWADENTALInventor: Yoshio Okano
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Patent number: 8180482Abstract: The method for producing at least one rotationally symmetrical lens consisting of an opto-ceramic includes the step of moulding a ceramic green body for the lens, wherein the mould has a shaping surface, which is described by the following equation B: y ? ? 1 = cz 2 1 + 1 - ( k + 1 ) ? c 2 ? z 2 + a 1 ? z 2 + a 2 ? z 4 + a 3 ? z 6 + a 4 ? z 8 + … ? , ( B ) y1 gives a position on an optical axis; x designates a perpendicular distance from the optical axis to the surface; k, c, and a1, a2, a3, a4, . . . are constants describing a surface of the lens to be moulded and z=|x|+b, wherein b is a constant with a value greater than 0 and less than 0.3 mm, which is a measure of a deviation of the shaping surface from the surface of the lens.Type: GrantFiled: June 7, 2011Date of Patent: May 15, 2012Assignee: Schott AGInventors: Yvonne Menke, Ulrich Peuchert, Yoshio Okano, Steffen Reichel
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Publication number: 20120045743Abstract: A material for forming an organ model containing an aqueous gel, which comprises polyvinyl alcohol having an average degree of polymerization of 300 to 3500 and a degree of saponification of not less than 90% by mole, and silica particles; a method for producing a material for forming an organ model, comprising cooling an aqueous polyvinyl alcohol solution which contains polyvinyl alcohol having an average degree of polymerization of 300 to 3500 and a degree of saponification of not less than 90% by mole and silica particles, to a temperature of ?10° C. or lower, and thawing the resulting formed aqueous gel; and an organ model at least provided with a surface layer comprising the material for forming an organ model.Type: ApplicationFiled: April 27, 2010Publication date: February 23, 2012Applicant: YUUGENGAISHA SEIWADENTALInventors: Yoshio Okano, Hiroshige Sasaki
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Publication number: 20110254180Abstract: The method for producing at least one rotationally symmetrical lens consisting of an opto-ceramic includes the step of moulding a ceramic green body for the lens, wherein the mould has a shaping surface, which is described by the following equation B: y ? ? 1 = cz 2 1 + 1 - ( k + 1 ) ? c 2 ? z 2 + a 1 ? z 2 + a 2 ? z 4 + a 3 ? z 6 + a 4 ? z 8 + … ? , ( B ) y1 gives a position on an optical axis; x designates a perpendicular distance from the optical axis to the surface; k, c, and a1, a2, a3, a4, . . . are constants describing a surface of the lens to be moulded and z=|x|+b, wherein b is a constant with a value greater than 0 and less than 0.3 mm, which is a measure of a deviation of the shaping surface from the surface of the lens.Type: ApplicationFiled: June 7, 2011Publication date: October 20, 2011Inventors: Yvonne Menke, Ulrich Peuchert, Yoshio Okano, Steffen Reichel
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Patent number: 8019461Abstract: The moulding tool is a near-net-shape negative mould for shaping a ceramic green body for the lens. The mould has a shaping surface, which is described by the following equation B: y ? ? 1 = cz 2 1 + 1 - ( k + 1 ) ? c 2 ? z 2 + a 1 ? z 2 + a 2 ? z 4 + a 3 ? z 6 + a 4 ? z 8 + … ? , ( B ) y1 gives a position on an optical axis; x designates a perpendicular distance from the optical axis to the surface; k, c, and a1, a2, a3, a4, . . . are constants describing a surface of the lens to be moulded and z=|x|+b, wherein b is a constant with a value greater than 0 and less than 0.3 mm, which is a measure of a deviation of the shaping surface from the surface of the lens.Type: GrantFiled: January 3, 2008Date of Patent: September 13, 2011Assignee: Schott AGInventors: Yvonne Menke, Ulrich Peuchert, Yoshio Okano, Steffen Reichel
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Publication number: 20110143912Abstract: A transparent, polycrystalline ceramic is described. The ceramic comprises crystallites of the formula AxCuByDvEzFw, whereby A and C are selected from the group consisting of Li+, Na+, Be2+, Mg2+, Ca2+, Sr2+, Ba2+, Al3+, Ga3+, In3+, C4+, Si4+, Ge4+, Sn2+/4+, Sc3+, Ti4+, Zn2+, Zr4+, Mo6+, Ru4+, Pd2+, Ag2+, Cd2+, Hf4+, W4+/6+, Re4+, Os4+, Ir4+, Pt2+/4+, Hg2+ and mixtures thereof, B and D are selected from the group consisting of Li+, Na+, K+, Mg2+, Al3+, Ga3+, In3+, Si4+, Ge4+, Sn4+, Sc3+, Ti4+, Zn2+, Y3+, Zr4+, Nb3+, Ru3+, Rh3+, La3+, Lu3+, Gd3+ and mixtures thereof, E and F are selected mainly from the group consisting of the divalent anions of S, Se and O and mixtures thereof, x, u, y, v, z and w satisfy the following formulae 0.125<(x+u)/(y+v)?0.Type: ApplicationFiled: November 18, 2010Publication date: June 16, 2011Inventors: Yvonne MENKE, Peter Blaum, Ulrich Peuchert, Yoshio Okano
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Publication number: 20110143911Abstract: A transparent, polycrystalline ceramic is described. The ceramic comprises crystallites of the formula AxCuByDvEzFw, whereby A and C are selected from the group consisting of Li+, Na+, Be2+, Mg2+, Ca2+, Sr2+, Ba2+, Al3+, Ga3+, In3+, C4+, Si4+, Ge4+, Sn2+/4+, Sc3+, Ti4+, Zn2+, Zr4+, Mo6+, Ru4+, Pd2+, Ag2+, Cd2+, Hf4+W4+/6+, Re4+, Os4+, Ir4+,, Pt2+/4+, Hg2+ and mixtures thereof, B and D are selected from the group consisting of Li+, Na+, K+, Mg2+, Al3+, Ga3+, In3+, Si4+, Ge4+, Sn4+, Sc3+, Ti4+, Zn2+, Y3+, Zr4+, Nb3+, Ru3+, Rh3+, La3+, Lu3+, Gd3+ and mixtures thereof, E and F are selected mainly from the group consisting of the divalent anions of S, Se and O and mixtures thereof, x, u, y, v, z and w satisfy the following formulae 0.125<(x+u)/(y+v)?0.55 z+w=4 and at least 95% by weight of the crystallites display symmetric, cubic crystal structures of the spinel type, with the proviso that when A=C=Mg2+ and B=D=Al3+, E and F cannot both be O.Type: ApplicationFiled: November 18, 2010Publication date: June 16, 2011Inventors: Yvonne Menke, Peter Blaum, Ulrich Peuchert, Yoshio Okano
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Publication number: 20100193738Abstract: The transparent polycrystalline optoceramic has single grains with a symmetric cubic crystal structure and at least one optically active center. The optoceramic has the following formula: A2+xByDzE7, wherein ?1.15?x?0, 0?y?3, 0?z?1.6, and 3x+4y+5z=8, and wherein A is at least one trivalent rare earth cation, B is at least one tetravalent cation, D is at least one pentavalent cation, and E is at least one divalent anion. The method of making the optoceramic includes preparing a powder mixture from starting materials, pre-sintering, sintering and then compressing to form the optoceramic. Scintillator media made from the optoceramic are also described.Type: ApplicationFiled: January 29, 2010Publication date: August 5, 2010Inventors: Ulrich Peuchert, Yvonne Menke, Yoshio Okano, Axel Engel
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Patent number: 7751123Abstract: The refractive, transmissive or diffractive optical elements are made from a ceramic containing one or more oxides of the type X2O3, which is transmissive for visible light and/or for infrared radiation and which has a cubic crystal structure analogous to that of Y2O3. In preferred embodiments X is Y, Sc, In, or a lanthanide element, namely La to Lu, and in particular is Lu, Yb, Gd, or La. Also mixtures of oxides of the type X2O3 with oxides having different stoichiometries, such as HfO2 and/or ZrO2, may be present, as long as the cubic structure of the ceramic is maintained.Type: GrantFiled: June 13, 2007Date of Patent: July 6, 2010Assignee: Schott AGInventors: Jose Zimmer, Ulrich Peuchert, Jochen Alkemper, Martin Letz, Steffen Reichel, Yoshio Okano, Yvonne Menke
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Patent number: 7700510Abstract: The opto-ceramics and optical elements of the present invention are transmissive to visible light and/or to infrared radiation. They consist of a crystal combination in which individual crystallites have a cubic structure of the type Y2O3 and are made from In2O3 or a mixture of oxides of the type X2O3 in which X=Y, Lu, Sc, Yb, In, Gd, or La. Also mixtures of X2O3 with oxides having different stoichiometries, such as zirconium and hafnium oxide, are possible, as long as the cubic structure of the opto-ceramic is maintained. The optical elements prepared from the opto-ceramics are particularly suitable for mapping optics, such as objectives having reduced chromatic aberrations, in particular with approximately apochromatic mapping behavior. The optical elements of the present invention may be used in lens systems in combination with lenses of glass, but also with other ceramic lenses.Type: GrantFiled: June 12, 2007Date of Patent: April 20, 2010Assignee: Schott AGInventors: Guenther Kron, Ulrich Peuchert, Joseph S. Hayden, Carsten Weinhold, Yvonne Menke, Yoshio Okano
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Publication number: 20080164402Abstract: The present invention addresses a mould for forming a ceramic green body useful for producing at least one optical lens consisting of optoceramics. The invention further refers to the use of such a mould. The (negative) form of the mould is close to the final geometry of the body to be formed (near net shape principle), at least regarding one functional area of at least one surface of the lens to be formed, which can be described by the following equation: y ? ? 1 = c ? ( ? x ? + b ) 2 1 + 1 - ( k + 1 ) ? c 2 ? ( ? x ? + b ) 2 + a 1 ? ( ? x ? + b ) 2 + a 2 ? ( ? x ? + b ) 4 + a 3 ? ( ? x ? + b ) 6 + a 4 ? ( ? x ? + b ) 8 + … ? , ( equation ? ? B ) wherein b is a constant and amounts to >zero and describes the deviation of the negative form of the mould from the form of the surface of the at least one lens.Type: ApplicationFiled: January 3, 2008Publication date: July 10, 2008Inventors: Yvonne Menke, Ulrich Peuchert, Yoshio Okano, Steffen Reichel