公开(公告)号：US20180110586A1

公开(公告)日：2018-04-26

申请号：US15784796

申请日：2017-10-16

Applicant: GC CORPORATION

Inventor： Go MASHIO ,  Tatsuya FUJIMOTO ,  Hayato YOKOHARA ,  Tomohiro HOSHINO ,  Toshihiko AZUMA

IPC: A61C3/06 ,  B24B29/02 ,  A61C13/00

CPC classification number: A61C3/06 ,  A61C13/0004 ,  A61C13/0006 ,  A61C13/0022 ,  B24B1/00 ,  B24B29/02

Abstract: A polishing jig for machining tools which makes it possible for a deteriorating machining tool to be used again without detaching the machining tool, with which a processing machine is quipped, from the processing machine is provided. The polishing jig for machining tools comprises an attachment part to be attached to a processing machine; and a polishing face that is at least part of a surface of the polishing jig, the polishing face adapted to polish a processing part of a machining tool.

公开(公告)号：US20200015941A1

公开(公告)日：2020-01-16

申请号：US16088145

申请日：2017-01-25

Applicant: GC Corporation

Inventor： Go MASHIO ,  Yusuke MIZOGUCHI ,  Tatsuru DOUMOTO ,  Masayuki TAKAYAMA ,  Jyunichi OKADA

IPC: A61C8/00

Abstract: A connection structure for a dental abutment is such that an embedded part of a dental base part to fit to an oral cavity side of an implant fixture embedded in a jawbone is inserted into and connected to an insertion hole of a dental cutting block part, wherein the dental cutting block part includes a first flat surface and a protrusion on an inner peripheral surface of the insertion hole, and wherein the dental base part includes, on an outer peripheral surface of the embedded part, a second flat surface that corresponds to the first flat surface.

公开(公告)号：US20190029785A1

公开(公告)日：2019-01-31

申请号：US16070862

申请日：2017-01-05

Applicant: GC Corporation

Inventor： Daizaburo MORI ,  Masatoshi YOSHINAGA ,  Go MASHIO ,  Tatsuya FUJIMOTO ,  Hayato YOKOHARA ,  Tomohiro HOSHINO ,  Takahiro MIYAKE

IPC: A61C13/20 ,  C03B9/48 ,  A61C13/09 ,  A61K6/027 ,  C03C10/00

Abstract: Provided is a dental investment that is a dental phosphate-bonded investment including boron nitride at 0.1% to 5% by weight.

公开(公告)号：US20210206023A1

公开(公告)日：2021-07-08

申请号：US16074207

申请日：2017-06-29

Applicant: GC CORPORATION

Inventor： Tatsuya FUJIMOTO ,  Daizaburo MORI ,  Masatoshi YOSHINAGA ,  Takuya SATO ,  Go MASHIO ,  Hayato YOKOHARA ,  Tomohiro HOSHINO ,  Takahiro MIYAKE

IPC: B28B17/00 ,  A61C13/20 ,  B28B11/24 ,  B28B7/18 ,  G01K3/04 ,  B28B3/02

Abstract: To provide a scale which makes it possible to adjust the temperature of a furnace so that a ceramic blank can be properly heated even if various conditions such as the combination of the used ceramic blank and investment, and the type and size of the furnace vary, the scale comprises: a scale part; and a base part, the scale part and the base part being formed of wax or resin, wherein the base part has a shape of protruding from part of the scale part, a size of the scale part is larger than that of the base part in a direction orthogonal to a protruding direction of the base part.

公开(公告)号：US20180133113A1

公开(公告)日：2018-05-17

申请号：US15574631

申请日：2016-04-20

Applicant: GC Corporation

Inventor： Tomohiro HOSHINO ,  Go MASHIO ,  Tatsuya FUJIMOTO ,  Masatoshi YOSHINAGA ,  Hayato YOKOHARA ,  Daisuke OHTA ,  Takuya SATO

IPC: A61K6/02 ,  A61C13/00 ,  A61C13/083

CPC classification number: A61K6/0205 ,  A61C13/0022 ,  A61C13/083 ,  A61K6/027 ,  A61K6/0273 ,  A61K6/0612

Abstract: In order to provide a material for forming a dental prosthesis which does not require further heat treatment after machining and can improve cutting ability even after obtaining necessary strength, the material for a dental prosthesis comprises 60.0 mass % or more and 80.0 mass % or less of SiO2, 10.0 mass % or more and 20.0 mass % or less of Li2O, and 5.1 mass % or more and 10.0 mass % or less of Al2O3.

公开(公告)号：US20190328495A1

公开(公告)日：2019-10-31

申请号：US16506589

申请日：2019-07-09

Applicant: GC CORPORATION

Inventor： Tomohiro HOSHINO ,  Go MASHIO ,  Tatsuya FUJIMOTO ,  Masatoshi YOSHINAGA ,  Hayato YOKOHARA ,  Daisuke OHTA

IPC: A61C13/00 ,  A61K6/06 ,  C03C10/00 ,  C03C4/00 ,  A61Q11/00 ,  A61C13/083 ,  A61K6/027

Abstract: Provided is a block body that makes it possible to quickly produce a dental prosthesis with a good accuracy. A material of the block body including SiO2 in an amount of 60.0 mass % to 80.0 mass %, Li2O in an amount of 10.0 mass % to 20.0 mass %, Al2O3 in an amount of 5.1 mass % to 10.0 mass %, wherein the block body is formed in a column, and a main crystalline phase of the block body is lithium disilicate.

公开(公告)号：US20190076223A1

公开(公告)日：2019-03-14

申请号：US16084301

申请日：2017-03-07

Applicant: GC Corporation

Inventor： Masatoshi YOSHINAGA ,  Daizaburo MORI ,  Takuya SATO ,  Go MASHIO ,  Tatsuya FUJIMOTO ,  Hayato YOKOHARA ,  Tomohiro HOSHINO ,  Takahiro MIYAKE

IPC: A61C13/20 ,  A61C13/08 ,  A61C13/083 ,  B28B7/34 ,  B28B7/38 ,  B28B7/02

Abstract: A wax pattern surface-treating agent includes a solvent, boron nitride, and at least one surfactant selected from a group consisting of an anionic surfactant, a cationic surfactant, a non-ionic surfactant, and an amphoteric surfactant.

公开(公告)号：US20170224450A1

公开(公告)日：2017-08-10

申请号：US15499252

申请日：2017-04-27

Applicant: GC CORPORATION

Inventor： Tomohiro HOSHINO ,  Go MASHIO ,  Tatsuya FUJIMOTO ,  Masatoshi YOSHINAGA ,  Hayato YOKOHARA ,  Daisuke OHTA

IPC: A61C13/00 ,  A61Q11/00 ,  C03C4/00 ,  A61K6/027 ,  A61C13/083 ,  C03C10/00

CPC classification number: A61C13/0022 ,  A61C13/0006 ,  A61C13/083 ,  A61K6/027 ,  A61K6/0273 ,  A61K6/0612 ,  A61Q11/00 ,  C03C4/0021 ,  C03C10/0027 ,  C03C2204/00

Abstract: Provided is a method for quickly producing a dental prosthesis with a good accuracy.The method for producing a dental prosthesis including: a melting step of melting a material including no less than 60.0 mass % and no more than 80.0 mass % of SiO2, no less than 10.0 mass % and no more than 20.0 mass % of Li2O, and no less than 5.1 mass % and no more than 10.0 mass % of Al2O3; a glass blank production step of cooling to solidify the molten material to obtain a glass blank; a lithium disilicate blank production step of heating the glass blank to obtain a lithium disilicate blank whose main crystalline phase is lithium disilicate; and a processing step of processing the lithium disilicate by machining.

公开(公告)号：US20160287361A1

公开(公告)日：2016-10-06

申请号：US14892078

申请日：2015-07-08

Applicant: GC CORPORATION

Inventor： Tomohiro HOSHINO ,  Go MASHIO ,  Tatsuya FUJIMOTO ,  Masatoshi YOSHINAGA ,  Hayato YOKOHARA ,  Daisuke OHTA

IPC: A61C13/00 ,  C03C10/00 ,  C03C4/00 ,  A61C13/083

CPC classification number: A61C13/0022 ,  A61C13/0006 ,  A61C13/083 ,  A61K6/027 ,  A61K6/0273 ,  A61K6/0612 ,  C03C4/0021 ,  C03C10/0027

Abstract: Provided is a method for quickly producing a dental prosthesis with a good accuracy.The method for producing a dental prosthesis including: a melting step of melting a material including no less than 60.0 mass % and no more than 80.0 mass % of SiO2, no less than 10.0 mass % and no more than 20.0 mass % of Li2O, and no less than 5.1 mass % and no more than 10.0 mass % of Al2O3; a glass blank production step of cooling to solidify the molten material to obtain a glass blank; a lithium disilicate blank production step of heating the glass blank to obtain a lithium disilicate blank whose main crystalline phase is lithium disilicate; and a processing step of processing the lithium disilicate by machining.

Abstract translation: 一种牙科假体的制造方法，其特征在于，包括熔融步骤，其熔融不少于60.0质量％且不超过80.0质量％的SiO 2，不小于10.0质量％且不大于20.0质量％的Li 2 O，以及 不少于5.1质量％且不超过10.0质量％的Al2O3; 冷却玻璃坯料的步骤，使熔融材料固化，得到玻璃坯料; 二硅酸铝坯生产步骤，加热玻璃坯料得到主晶相为二硅酸锂的二硅酸锂坯; 以及通过机械加工二硅酸锂的处理步骤。