Patents by Inventor Komei Kato
Komei Kato 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: 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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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: 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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Publication number: 20150359635Abstract: The invention provides a medical device in which a metallic porous body is joined to at least a part of a surface of the main body of a medical device, and a surface modification method for the medical device. The metallic porous body is formed in multilayers.Type: ApplicationFiled: August 11, 2015Publication date: December 17, 2015Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Koichi KITA, Komei KATO, Akiko YAMAMOTO, Junzo TANAKA
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Patent number: 9138301Abstract: The invention provides a medical device in which a metallic porous body is joined to at least a part of a surface of the main body of a medical device, and a surface modification method for the medical device. The metallic porous body is formed in multilayers.Type: GrantFiled: December 5, 2006Date of Patent: September 22, 2015Assignee: MITSUBISHI MATERIALS CORPORATIONInventors: Koichi Kita, Komei Kato, Akiko Yamamoto, Junzo Tanaka
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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: 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: 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: 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
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Publication number: 20130226309Abstract: 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 has a porous metal body having a three-dimensional network structure formed from a continuous skeleton 2 in which a plurality of pores 3 are interconnected, wherein a porosity rate is 50% to 92%, the pores 3 are formed to have flat shapes which are long along a front surface and short along a direction orthogonal to the front surface, lengths Y of the pores 3 along the front surface are 1.2 times to 5 times of a length X orthogonal to the front surface, and a compressive strength compressing in the direction parallel to the front surface is 1.4 times to 5 times of a compressive strength compressing in the direction orthogonal to the front surface.Type: ApplicationFiled: November 10, 2011Publication date: August 29, 2013Applicant: MITSUBISHI MATERIALS CORPORATIONInventors: Yuzo Daigo, Shinichi Ohmori, Komei Kato
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Patent number: 8495895Abstract: A bent glass sheet shaping method which is capable of reducing occurrence of visibility distortions and a bent glass sheet with reduced visibility distortions. A glass sheet is heated to a shapeable temperature, a cover material is mounted onto a press die such that a direction of waves in the cover material is diagonal to a direction of distortions in the glass sheet, and the heated glass sheet with the press die is pressed.Type: GrantFiled: December 21, 2006Date of Patent: July 30, 2013Assignee: Nippon Sheet Glass Company, LimitedInventors: Kazuo Yamada, Takahiro Shimomura, Komei Kato, Shinichi Nishimoto
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Patent number: 8211360Abstract: A Ni-based heat resistant alloy for a gas turbine combustor, comprising a composition containing, in mass %, Cr: 14.0 to 21.5%, Co: 6.5 to 14.5%, Mo: 6.5 to 10.0%, W: 1.5 to 3.5%, Al: 1.2 to 2.4%, Ti: 1.1 to 2.1%; Fe: 7.0% or less, B: 0.001 to 0.020%, C: 0.03 to 0.15%, and a balance consisting of Ni and unavoidable impurities, wherein a content of S and P contained in the unavoidable impurities is controlled to be, in mass %, S: 0.015% or less, and P: 0.015% or less, wherein the alloy has a texture in which M6C type carbide and MC type carbide are uniformly dispersed in ? phase matrix.Type: GrantFiled: April 13, 2007Date of Patent: July 3, 2012Assignees: Mitsubishi Materials Corporation, Mitsubishi Heavy Industries, LtdInventors: Takanori Matsui, Komei Kato, Takuya Murai, Yoshitaka Uemura, Daisuke Yoshida, Ikuo Okada
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Patent number: 8187531Abstract: A wire for welding Ni-based heat resistant alloy, comprising: a composition containing, in mass %, Cr: 14.0 to 21.5%, Co: 6.5 to 14.5%, Mo: 6.5 to 10.0%, W: 1.5 to 3.5%, Al: 1.2 to 2.4%, Ti: 1.1 to 2.1%; Fe: 7.0% or less, B: 0.0001 to 0.020%, C: 0.03 to 0.15%, and a balance of Ni and unavoidable impurities, wherein a content of S and P contained in the unavoidable impurities is controlled to be, in mass %, S: 0.004% or less, and P: 0.010% or less, wherein the wire has a texture in which M6C type carbide and MC type carbide are uniformly dispersed in the matrix.Type: GrantFiled: April 16, 2007Date of Patent: May 29, 2012Assignees: Mitsubishi Materials Corporation, Mitsubishi Heavy Industries, Ltd.Inventors: Takanori Matsui, Komei Kato, Takuya Murai, Yoshitaka Uemura, Daisuke Yoshida, Ikuo Okada
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Patent number: 7838172Abstract: A composite porous body, a gas diffusion layer member of a polymer electrolyte fuel cell, a cell member for the polymer electrolyte fuel cell, and manufacturing methods thereof are provided. The composite porous body is a metallic composite porous body in which a sheet-like metal portion composed of a composite porous body having a three-dimensional mesh structure and a resin portion extending in an in-plane direction of the metal portion are integrally formed with each other. The gas diffusion layer member of a polymer electrolyte fuel cell is composed of a composite porous body in which a sheet-like metal portion composed of a composite porous body having a three-dimensional mesh structure and a resin portion extending in an in-plane direction of the metal portion are integrally formed with each other. Also, the gas diffusion layer member of a polymer electrolyte fuel cell has a separator plate, and the conductive porous body placed on at least one surface of the separator plate.Type: GrantFiled: May 7, 2004Date of Patent: November 23, 2010Assignee: Mitsubishi Materials CorporationInventors: Masahiro Wada, Eiko Kanda, Takeshi Isobe, Komei Kato, Takumi Shibuya, Sakae Akiyama, Kazuichi Hamada