Patents by Inventor Shinichi Ohmori
Shinichi Ohmori 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: 20230143743Abstract: A titanium substrate of the present invention includes a substrate main body formed of titanium or a titanium alloy, in which a Magneli phase titanium oxide film formed of a Magneli phase titanium oxide represented by a chemical formula TinO2n-1 (4?n?10) is formed on a surface of the substrate main body and a BET value of the substrate main body on which the Magneli phase titanium oxide film is formed is 0.1 m2/g or less.Type: ApplicationFiled: March 25, 2021Publication date: May 11, 2023Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Yosuke Sano, Shinichi Ohmori
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Publication number: 20200407858Abstract: This titanium base material has a base material body formed of titanium or a titanium alloy, in which a Magneli phase titanium oxide film formed of a Magneli phase titanium oxide represented by a chemical formula TinO2n-1 (4?n?10) is formed on a surface of the base material body. Here, the Magneli phase titanium oxide film preferably contains at least one or both of Ti4O7 and Ti5O9.Type: ApplicationFiled: March 12, 2019Publication date: December 31, 2020Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Yosuke Sano, Shinichi Ohmori
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Publication number: 20180159115Abstract: A mixed material having a high expansion rate for producing a porous metallic sintered body including: a conventional mixed material for producing a porous metallic sintered body which is formed of a mixture including a composition of 0.05 to 10% by mass of a non-water-soluble hydrocarbon-based organic solvent having 5 to 8 carbon atoms, 0.5 to 20% by mass of a water-soluble resin binder, and 5 to 80% by mass of a metal powder having an average particle size within a range of 0.5 to 500 ?m, and water as the balance; and a gas, wherein the mixed material contains the gas so that the proportion of the gas is within a range of 2 to 50% by volume while the remainder is the conventional mixed material for producing a porous metallic sintered body.Type: ApplicationFiled: February 5, 2018Publication date: June 7, 2018Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Masahiro Wada, Eiko Kanda, Shinichi Ohmori, Takumi Shibuya, Tetsuji Tsujimoto
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Patent number: 9901456Abstract: A vertebral body spacer of the present invention is used by being inserted between a vertebral body and a vertebral body (intervertebral space). The vertebral body spacer has a block body constituted of titanium or a titanium alloy as a main component thereof, and provided with a pair of contact surfaces to be made contact with the vertebral body and the vertebral body. The block body includes dense sheets having a dense part on at least a surface thereof and porous sheets having a porous part on at least a surface thereof. The porous part has a larger porosity than a porosity of the dense part. Each of the porous sheets is sandwiched between the pair of dense sheets. According to the present invention, it is possible to maintain an appropriate size between the vertebral bodies (intervertebral space).Type: GrantFiled: November 9, 2011Date of Patent: February 27, 2018Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Toshio Matsumoto, Yuzo Daigo, Shinichi Ohmori, Komei Kato
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Patent number: 9867711Abstract: A vertebral body spacer of the present invention is used by being inserted between a vertebral body and a vertebral body (intervertebral space). The vertebral body spacer has a block body constituted of titanium or a titanium alloy as a main component thereof, and provided with a pair of contact surfaces to be made contact with the vertebral body and the vertebral body. The block body includes a frame-shaped dense part and a porous part provided inside the dense part, and a porosity of at least a surface of the porous part is larger than a porosity of the dense part. According to the present invention, it is possible to maintain an appropriate size between the vertebral bodies (intervertebral space).Type: GrantFiled: November 9, 2011Date of Patent: January 16, 2018Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Toshio Matsumoto, Yuzo Daigo, Shinichi Ohmori, Komei Kato
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Patent number: 9815116Abstract: This method for producing porous sintered aluminum includes: mixing aluminum powder with a sintering aid powder containing titanium to obtain a raw aluminum mixed powder; mixing the raw aluminum mixed powder with a water-soluble resin binder, water, and a plasticizer containing at least one selected from polyhydric alcohols, ethers, and esters to obtain a viscous composition; drying the viscous composition in a state where air bubbles are mixed therein to obtain a formed object prior to sintering; and heating the formed object prior to sintering in a non-oxidizing atmosphere, wherein when a temperature at which the raw aluminum mixed powder starts to melt is expressed as Tm (° C.), a temperature T (° C.) of the heating fulfills Tm?10 (° C.)?T?685 (° C.).Type: GrantFiled: November 24, 2014Date of Patent: November 14, 2017Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Koji Hoshino, Ji-bin Yang, Kenji Orito, Shinichi Ohmori
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Publication number: 20170246011Abstract: A vertebral body spacer of the present invention is used by being inserted between a vertebral body and a vertebral body (intervertebral space). The vertebral body spacer has a block body constituted of titanium or a titanium alloy as a main component thereof, and provided with a pair of contact surfaces to be made contact with the vertebral body and the vertebral body. The block body includes a frame-shaped dense part and a porous part provided inside the dense part, and a porosity of at least a surface of the porous part is larger than a porosity of the dense part. According to the present invention, it is possible to maintain an appropriate size between the vertebral bodies (intervertebral space).Type: ApplicationFiled: May 16, 2017Publication date: August 31, 2017Inventors: Toshio Matsumoto, Yuzo Daigo, Shinichi Ohmori, Komei Kato
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Patent number: 9707320Abstract: A plurality of porous metal bodies which are bonded with each other at bonded-boundary surfaces parallel to a first direction, each of the porous metal bodies has a three-dimensional network structure formed from a continuous skeleton in which a plurality of pores are interconnected so as to have a porosity rate different from another porous metal body, the pores formed in at least the porous metal body having the higher porosity rate are formed to have flat shapes which are long along a direction parallel to the bonded-boundary surface and short along a direction orthogonal to the bonded-boundary surface, an entire porosity rate of a bonded body of the porous metal bodies is 50% to 92%, a compressive strength compressing in the direction parallel to the bonded-boundary surface is 1.4 times to 5 times of a compressive strength compressing in the direction orthogonal to the bonded-boundary surface.Type: GrantFiled: November 10, 2011Date of Patent: July 18, 2017Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Yuzo Daigo, Shinichi Ohmori, Komei Kato
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Patent number: 9707321Abstract: Porous implant material having a plurality of metal bodies having different porosity rates which are bonded with each other at bonded-boundary surface F parallel to a first direction, wherein: a bonded body of the metal bodies has an entire porosity rate of 50% to 92%; the metal body having higher porosity rate is a porous metal body having a three-dimensional network formed from a continuous skeleton in which a plurality of pores are interconnected; the metal body having lower porosity rate has a porosity rate of 0 to 50% and an area-occupation rate of 0.5% to 50% in a cross-section surface orthogonal to an axial direction which agrees with the first direction along the bonded-boundary surface; and a compressive strength compressing in a direction parallel to the bonded-boundary surface is 1.4 times to 10 times of a compressive strength compressing in a direction orthogonal to the bonded-boundary surface.Type: GrantFiled: November 10, 2011Date of Patent: July 18, 2017Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Yuzo Daigo, Shinichi Ohmori, Komei Kato
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Patent number: 9589732Abstract: This method for producing porous sintered aluminum includes: mixing aluminum powder with a sintering aid powder containing a sintering aid element to obtain a raw aluminum mixed powder; forming the raw aluminum mixed powder into a formed object prior to sintering having pores; and heating the formed object prior to sintering in a non-oxidizing atmosphere to produce porous sintered aluminum, wherein the sintering aid element is titanium, and when a temperature at which the raw aluminum mixed powder starts to melt is expressed as Tm (° C.), then a temperature T (° C.) of the heating fulfills Tm-10 (° C.)?T?685 (° C.).Type: GrantFiled: March 30, 2010Date of Patent: March 7, 2017Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Koji Hoshino, Ji-bin Yang, Kenji Orito, Shinichi Ohmori
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Patent number: 9549821Abstract: A vertebral body spacer of the present invention is used by being inserted between a vertebral body and a vertebral body (intervertebral space). The vertebral body spacer has a block body constituted of titanium or a titanium alloy as a main component thereof, and provided with a pair of contact surfaces to be made contact with the vertebral body and the vertebral body. The block body includes needle parts formed into a needle shape having both end portions and a porous part having through holes passing through the porous part in a thickness direction thereof, and a porosity of at least a surface of the porous part is larger than a porosity of each of the needle parts. The needle parts are inserted into the through holes so that the both end portions are projected from the contact surfaces.Type: GrantFiled: November 9, 2011Date of Patent: January 24, 2017Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Toshio Matsumoto, Yuzo Daigo, Shinichi Ohmori, Komei Kato
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Publication number: 20160206441Abstract: A vertebral body spacer of the present invention is used by being inserted between a vertebral body and a vertebral body (intervertebral space). The vertebral body spacer has a block body constituted of titanium or a titanium alloy as a main component thereof, and provided with a pair of contact surfaces to be made contact with the vertebral body and the vertebral body. The block body includes needle parts formed into a needle shape having both end portions and a porous part having through holes passing through the porous part in a thickness direction thereof, and a porosity of at least a surface of the porous part is larger than a porosity of each of the needle parts. The needle parts are inserted into the through holes so that the both end portions are projected from the contact surfaces.Type: ApplicationFiled: December 29, 2015Publication date: July 21, 2016Inventors: Toshio Matsumoto, Yuzo Daigo, Shinichi Ohmori, Komei Kato
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Patent number: 9242297Abstract: This method for producing porous sintered aluminum includes: mixing aluminum powder with a sintering aid powder containing titanium to obtain a raw aluminum mixed powder; mixing the raw aluminum mixed powder with a water-soluble resin binder, water, and a plasticizer containing at least one selected from polyhydric alcohols, ethers, and esters to obtain a viscous composition; drying the viscous composition in a state where air bubbles are mixed therein to obtain a formed object prior to sintering; and heating the formed object prior to sintering in a non-oxidizing atmosphere, wherein when a temperature at which the raw aluminum mixed powder starts to melt is expressed as Tm (° C.), a temperature T (° C.) of the heating fulfills Tm?10 (° C.)?T?685 (° C.).Type: GrantFiled: March 30, 2010Date of Patent: January 26, 2016Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Koji Hoshino, Ji-bin Yang, Kenji Orito, Shinichi Ohmori
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Publication number: 20150078949Abstract: This method for producing porous sintered aluminum Includes: mixing aluminum powder with a sintering aid powder containing titanium to obtain a raw aluminum mixed powder; mixing the raw aluminum mixed powder with a water-soluble resin binder, water, and a plasticizer containing at least one selected from polyhydric alcohols, ethers, and esters to obtain a viscous composition; drying the viscous composition in a state where air bubbles are mixed therein to obtain a formed object prior to sintering; and heating the formed object prior to sintering in a non-oxidizing atmosphere, wherein when a temperature at which the raw aluminum mixed powder starts to melt is expressed as Tm (° C.), a temperature T (° C.) of the heating fulfills Tm?10 (° C.)?T?685 (° C.Type: ApplicationFiled: November 24, 2014Publication date: March 19, 2015Inventors: Koji Hoshino, Ji-bin Yang, Kenji Orito, Shinichi Ohmori
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Publication number: 20130274884Abstract: A vertebral body spacer of the present invention is used by being inserted between a vertebral body and a vertebral body (intervertebral space). The vertebral body spacer has a block body constituted of titanium or a titanium alloy as a main component thereof, and provided with a pair of contact surfaces to be made contact with the vertebral body and the vertebral body. The block body includes needle parts formed into a needle shape having both end portions and a porous part having through holes passing through the porous part in a thickness direction thereof, and a porosity of at least a surface of the porous part is larger than a porosity of each of the needle parts. The needle parts are inserted into the through holes so that the both end portions are projected from the contact surfaces.Type: ApplicationFiled: November 9, 2011Publication date: October 17, 2013Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Toshio Matsumoto, Yuzo Daigo, Shinichi Ohmori, Komei Kato
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Publication number: 20130274885Abstract: A vertebral body spacer of the present invention is used by being inserted between a vertebral body and a vertebral body (intervertebral space). The vertebral body spacer has a block body constituted of titanium or a titanium alloy as a main component thereof, and provided with a pair of contact surfaces to be made contact with the vertebral body and the vertebral body. The block body includes a frame-shaped dense part and a porous part provided inside the dense part, and a porosity of at least a surface of the porous part is larger than a porosity of the dense part. According to the present invention, it is possible to maintain an appropriate size between the vertebral bodies (intervertebral space).Type: ApplicationFiled: November 9, 2011Publication date: October 17, 2013Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Toshio Matsumoto, Yuzo Daigo, Shinichi Ohmori, Komei Kato
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Publication number: 20130274886Abstract: A vertebral body spacer of the present invention is used by being inserted between a vertebral body and a vertebral body (intervertebral space). The vertebral body spacer has a block body constituted of titanium or a titanium alloy as a main component thereof, and provided with a pair of contact surfaces to be made contact with the vertebral body and the vertebral body. The block body includes dense sheets having a dense part on at least a surface thereof and porous sheets having a porous part on at least a surface thereof. The porous part has a larger porosity than a porosity of the dense part. Each of the porous sheets is sandwiched between the pair of dense sheets. According to the present invention, it is possible to maintain an appropriate size between the vertebral bodies (intervertebral space).Type: ApplicationFiled: November 9, 2011Publication date: October 17, 2013Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Toshio Matsumoto, Yuzo Daigo, Shinichi Ohmori, Komei Kato
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Publication number: 20130230738Abstract: Providing porous implant material having a strength property approximate to human bone, without arising stress shielding, and which is possible to maintain sufficient bound strength with human bone. Porous implant material according to the present invention has a plurality of porous metal bodies 4 which are bonded with each other at bonded-boundary surface F parallel to a first direction, wherein each the porous metal body has a three-dimensional network structure formed from a continuous skeleton 2 in which a plurality of pores 3 are interconnected, a porosity rate is 50% to 92%, and a compressive strength compressing in a direction parallel to the bonded-boundary surface F is 1.4 times to 5 times of a compressive strength compressing in a direction orthogonal to the bonded-boundary surface F.Type: ApplicationFiled: November 10, 2011Publication date: September 5, 2013Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Yuzo Daigo, Shinichi Ohmori, Komei Kato
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Publication number: 20130230734Abstract: Porous implant material having a plurality of metal bodies having different porosity rates which are bonded with each other at bonded-boundary surface F parallel to a first direction, wherein: a bonded body of the metal bodies has an entire porosity rate of 50% to 92%; the metal body having higher porosity rate is a porous metal body having a three-dimensional network formed from a continuous skeleton in which a plurality of pores are interconnected; the metal body having lower porosity rate has a porosity rate of 0 to 50% and an area-occupation rate of 0.5% to 50% in a cross-section surface orthogonal to an axial direction which agrees with the first direction along the bonded-boundary surface; and a compressive strength compressing in a direction parallel to the bonded-boundary surface is 1.4 times to 10 times of a compressive strength compressing in a direction orthogonal to the bonded-boundary surface.Type: ApplicationFiled: November 10, 2011Publication date: September 5, 2013Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Yuzo Daigo, Shinichi Ohmori, Komei Kato
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Publication number: 20130231754Abstract: A plurality of porous metal bodies which are bonded with each other at bonded-boundary surfaces parallel to a first direction, each of the porous metal bodies has a three-dimensional network structure formed from a continuous skeleton in which a plurality of pores are interconnected so as to have a porosity rate different from another porous metal body, the pores formed in at least the porous metal body having the higher porosity rate are formed to have flat shapes which are long along a direction parallel to the bonded-boundary surface and short along a direction orthogonal to the bonded-boundary surface, entire porosity rate of a bonded body of the porous metal bodies is 50% to 92%, a compressive strength compressing in the direction parallel to the bonded-boundary surface is 1.4 times to 5 times of a compressive strength compressing in the direction orthogonal to the bonded-boundary surface.Type: ApplicationFiled: November 10, 2011Publication date: September 5, 2013Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Yuzo Daigo, Shinichi Ohmori, Komei Kato