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公开(公告)号：US11033466B2
公开(公告)日：2021-06-15
申请号：US15728763
申请日：2017-10-10
Applicant: SHOFU INC.
Inventor： Yusei Kadobayashi , Masako Shigezawa
Abstract: The present invention provides the dental primer for modifying surface of a dental restoration, comprising: an organic solvent, a silane coupling agent and a weakly acidic compound.
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公开(公告)号：US09603779B2
公开(公告)日：2017-03-28
申请号：US14755549
申请日：2015-06-30
Applicant: SHOFU INC.
Inventor： Yusei Kadobayashi , Masako Shigezawa
CPC classification number: A61K6/0047 , A61K6/0052 , A61K6/0091 , A61K6/02 , A61K6/083 , B29B7/02 , B29B7/90 , B29K2105/0002 , B29K2105/16 , B29K2509/08 , B65B3/003 , B65B39/00
Abstract: A composite material including silanated filler and mixed polymerizable monomer, having a stable pasty property which keeps well and has a consistent usability. A composite material containing a silanated filler, a polymerizable monomer, and a polymerization initiator, and may be produced by a process which includes a mixed polymerizable monomer preparing step, a silanation step, a silanated filler preserving step, a composite material preparing step, a composite material preserving step, a composite material filling step, and a small quantity preserving container preserving step.
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公开(公告)号：USRE48730E1
公开(公告)日：2021-09-14
申请号：US16360564
申请日：2019-03-21
Applicant: SHOFU INC.
Inventor： Yusei Kadobayashi , Masako Shigezawa
IPC: A61K6/60 , A61K6/77 , A61K6/887 , A61K6/62 , A61K6/80 , B29B7/02 , B29B7/90 , B65B3/00 , B65B39/00 , B29K105/00 , B29K105/16 , B29K509/08
Abstract: A composite material including silanated filler and mixed polymerizable monomer, having a stable pasty property which keeps well and has a consistent usability. A composite material containing a silanated filler, a polymerizable monomer, and a polymerization initiator, and may be produced by a process which includes a mixed polymerizable monomer preparing step, a silanation step, a silanated filler preserving step, a composite material preparing step, a composite material preserving step, a composite material filling step, and a small quantity preserving container preserving step.
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公开(公告)号：US10905532B2
公开(公告)日：2021-02-02
申请号：US15685118
申请日：2017-08-24
Applicant: SHOFU INC.
Inventor： Yusei Kadobayashi , Masako Shigezawa
IPC: A61C13/00
Abstract: To provide a mill blank for dental CAD/CAM containing a ceramic material for preparing a dental restoration by being installed in a CAD/CAM device, wherein, the mill blank for dental CAD/CAM comprises a ceramic portion in which a dental restoration is cut out and a resin portion which joins with a CAD/CAM device, the mill blank for dental CAD/CAM has a columnar shape, the resin portion is provided at a side surface of the ceramic portion and has a cylindrical shape or a belt shape, a ceramic portion side of the resin portion contacts with the side surface of the ceramic portion, the ceramic portion has a columnar shape, the ceramic portion has a protrusion part, an upper surface and a bottom surface of the columnar shape of the ceramic portion are parallel to each other, the mill blank for dental CAD/CAM has at least two recesses which includes a first recess and a second recess in a circumference portion, the first recess and the second recess respectively include a first surface which is parallel to the upper surface and the bottom surface and a second surface which is a circumferential surface concentric with the circumferential surface of the mill blank for dental CAD/CAM and is vertical to the first surface, and the at least two recesses are formed within the resin portion.
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公开(公告)号：US10265248B2
公开(公告)日：2019-04-23
申请号：US14797538
申请日：2015-07-13
Applicant: SHOFU INC.
Inventor： Yusei Kadobayashi , Masako Shigezawa
Abstract: A composite material including silanated filler and mixed polymerizable monomer, having a stable pasty property which keeps well and has a consistent usability. A composite material containing a silanated filler, a polymerizable monomer, and a polymerization initiator, and may be produced by a process which includes in order of a mixed polymerizable monomer preparing step, a mixed polymerizable monomer preserving step, a composite material preparing step, a composite material preserving step, a composite material filling step, and a small quantity preserving container preserving step.
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Patent Agency Ranking
公开(公告)号：US10905531B2
公开(公告)日：2021-02-02
申请号：US15662557
申请日：2017-07-28
Applicant: SHOFU INC.
Inventor： Yusei Kadobayashi , Masako Shigezawa
Abstract: To provide a mill blank for dental CAD/CAM for preparing a dental restoration by being installed in a CAD/CAM device, wherein, the mill blank for dental CAD/CAM has a substantially columnar shape, the mill blank for dental CAD/CAM has at least one recess in a circumference portion, the recess does not extend over the whole of the circumference portion of the mill blank for dental CAD/CAM, and the recess of the mill blank for dental CAD/CAM is to be engaged with the CAD/CAM device.
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公开(公告)号：US10780027B2
公开(公告)日：2020-09-22
申请号：US16357384
申请日：2019-03-19
Applicant: SHOFU INC.
Inventor： Yusei Kadobayashi , Masako Shigezawa
Abstract: A composite material including silanated filler and mixed polymerizable monomer, having a stable pasty property which keeps well and has a consistent usability. A composite material containing a silanated filler, a polymerizable monomer, and a polymerization initiator, and may be produced by a process which includes in order of a mixed polymerizable monomer preparing step, a mixed polymerizable monomer preserving step, a composite material preparing step, a composite material preserving step, a composite material filling step, and a small quantity preserving container preserving step.
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公开(公告)号：US10363202B2
公开(公告)日：2019-07-30
申请号：US14968980
申请日：2015-12-15
Applicant: SHOFU INC.
Inventor： Yuji Sadakane , Masako Shigezawa , Yusei Kadobayashi
Abstract: The present invention relates to a polymerization catalyst having storage stability under an oral cavity environment. Furthermore, the present invention relates to a dental material cured by use of the present polymerization catalyst. The polymerization catalyst for use in the dental material is achieved with including 1-cyclohexyl-5-propylbarbituric acid and trioctylmethylammonium chloride.
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公开(公告)号：US10311753B2
公开(公告)日：2019-06-04
申请号：US15017873
申请日：2016-02-08
Applicant: SHOFU INC.
Inventor： Yusei Kadobayashi , Masako Shigezawa
Abstract: The compression molded tooth used for practicing dental cutting treatment of the present invention comprises a composition containing a powder or powders of saccharide, polysaccharide, protein, and/or glycoprotein each having a particle size of 1 to 100 μm.
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公开(公告)号：US11806202B2
公开(公告)日：2023-11-07
申请号：US15679291
申请日：2017-08-17
Applicant: SHOFU INC.
Inventor： Yusei Kadobayashi , Masako Shigezawa
CPC classification number: A61C13/0022 , A61C13/0004 , A61K6/17 , A61K6/802 , Y10T428/12229
Abstract: A mill blank for dental CAD/CAM for preparing a dental restoration by being installed in a CAD/CAM device, wherein, the mill blank for dental CAD/CAM has a columnar shape, has at least two recesses which includes a first recess opening to an upper surface of the mill blank and a second recess opening to a bottom surface of the mill blank and at least one notched portion in a circumference portion, the first recess and the second recess respectively include a first surface which is parallel to the upper surface and the bottom surface and a second surface which is a circumferential face concentric with the circumferential face of the mill blank and is vertical to the first surface, and the notched portion is composed of a surface parallel to the center axis of the columnar shape of the mill blank and contacts with the second surface.
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