38 patents
Utility
Method for Producing Crystallized Glass Member Having Curved Shape
18 Jan 24
To obtain a crystallized glass member having a curved shape and provide a method for producing the same.
MORIJI NOZAKI, TOSHITAKA YAGI, KOHEI OGASAWARA
Filed: 27 Sep 23
Utility
Inorganic Composition Article
11 Jan 24
Provided is an inorganic composition article that is hard and highly transparent.
SAYA KIKKAWA, KOHEI OGASAWARA, TOSHITAKA YAGI
Filed: 23 Aug 21
Utility
Lithium Ion Conductor Precursor Glass and Lithium Ion Conductor
16 Nov 23
As a solid electrolyte used in a lithium ion secondary battery, it has not been possible to obtain a lithium ion conductor precursor glass and a lithium ion conductor in which crystallization progresses at low temperatures and which exhibit high ion conductivity.
Tomomi ONO
Filed: 24 Jul 23
Utility
Inorganic composition article
7 Nov 23
To provide an inorganic composition article containing at least one kind selected from α-cristobalite and α-cristobalite solid solution as a main crystal phase, in which by mass % in terms of oxide, a content of a SiO2 component is 50.0% to 75.0%, a content of a Li2O component is 3.0% to 10.0%, a content of an Al2O3 component is 5.0% or more and less than 15.0%, and a total content of the Al2O3 component and a ZrO2 component is 10.0% or more, and a surface compressive stress value is 600 MPa or more.
Kohei Ogasawara, Toshitaka Yagi, Nozomu Oda
Filed: 5 Mar 20
Utility
Crystallized Glass and Reinforced Crystallized Glass
12 Oct 23
Provided are black crystallized glass that is safe and easy to produce, and reinforced crystallized glass of the black crystallized glass.
NOZOMU ODA
Filed: 16 Jul 21
Utility
Glass and Crystallized Glass
5 Oct 23
Glass and crystallized glass of the glass, the glass containing, by mass% in terms of an oxide, 40.0 to 55.0% of a SiO2 component, 10.0 to 30.0% of an Al2O3 component, 10.0 to 30.0% of an MgO component, 5.0 to 15.0% of a TiO2 component, and more than 0 to 8.0% of an Na2O component.
NOZOMU ODA, TOSHITAKA YAGI
Filed: 8 Jul 21
Utility
Reinforced Crystallized Glass
5 Oct 23
Provided is reinforced crystallized glass that has a high strength and is less likely to break.
SAYA KIKKAWA, KOHEI OGASAWARA, TOSHITAKA YAGI
Filed: 23 Aug 21
Utility
Crystallized Glass and Reinforced Crystallized Glass
5 Oct 23
Provided are crystallized glass that is easy to process and in which a high compressive stress value can be obtained on a surface, and reinforced crystallized glass thereof.
SAYA KIKKAWA, KOHEI OGASAWARA, TOSHITAKA YAGI
Filed: 23 Aug 21
Utility
Reinforced Crystallized Glass
3 Aug 23
Reinforced crystallized glass characterized including crystallized glass as a base material, the crystallized glass containing, as expressed in terms of mol % on an oxide basis, 30.0% to 70.0% of an SiO2 component, 8.0% to 25.0% of an Al2O3 component, 2.0% to 25.0% of an Na2O component, 1.0% to 6.0% of an Li2O component, 0 % to 25.0% of an MgO component, 0% to 30.0% of a ZnO component, and 0% to 10.0% of a TiO2 component, in which a surface of the reinforced crystallized glass is formed with a compressive stress layer, and a depth (DOLzero) of the compressive stress layer is 60 μm or more.
KOHEI OGASAWARA, TOSHITAKA YAGI
Filed: 7 Jun 21
Utility
Crystallized Glass Substrate
25 May 23
To provide a crystallized glass substrate including a surface with a compressive stress layer, in which a stress depth DOLzero of the compressive stress layer, at which the compressive stress is 0 MPa, is 45 to 200 μm, a compressive stress CS on an outermost surface of the compressive stress layer is 400 to 1400 MPa, and CS×DOLzero, which is a product of the compressive stress CS on the outermost surface and the stress depth DOLzero (μm), is 4.8×104 or more.
TOSHITAKA YAGI, KOHEI OGASAWARA, YUKI MOTOSHIMA, REIKA KOJIMA, YUTAKA YAMASHITA, NAOYUKI GOTO
Filed: 13 Jan 23
Utility
Crystallized Glass Substrate
18 May 23
To provide a crystallized glass substrate including a surface with a compressive stress layer, where a stress depth DOLzero of the compressive stress layer, at which the compressive stress is 0 MPa, is 45 to 200 μm, a compressive stress CS on an outermost surface of the compressive stress layer is 400 to 1400 MPa, and a central stress CT determined by using curve analysis is 55 to 300 MPa.
TOSHITAKA YAGI, KOHEI OGASAWARA, YUKI MOTOSHIMA, REIKA KOJIMA, YUTAKA YAMASHITA, NAOYUKI GOTO
Filed: 13 Jan 23
Utility
Composite of Silicate-Based Base Material and Rare-Earth Compound, Light-Emitting Nanoparticle, Cell Detection Method, Treating Method for Treating Non-Human Animal, Medical Device, and Method for Producing Composite of Silicate-Based Base Material and Rare-Earth Compound
11 May 23
Provided are: a composite of a silicate-based base material and a rare-earth compound, having high light-emitting intensity and capable of being used as light-emitting particles, light-emitting nanoparticle including the same, a cell detection method, a method for treating an animal, a medical device, and a method for producing the composite of a silicate-based base material and a rare-earth compound.
Sunao CHATANI, Masahiko INUI, Motohiro TAGAYA, Takuya KATAOKA, Satoshi MOTOZUKA
Filed: 16 Mar 21
Utility
Chemically Strengthened Optical Glass
4 May 23
SAYA KIKKAWA
Filed: 15 Mar 21
Utility
Crystallized glass substrate
21 Feb 23
To provide a crystallized glass substrate including a surface with a compressive stress layer, in which a stress depth DOLzero of the compressive stress layer, at which the compressive stress is 0 MPa, is 45 to 200 μm, a compressive stress CS on an outermost surface of the compressive stress layer is 400 to 1400 MPa, and CS×DOLzero, which is a product of the compressive stress CS on the outermost surface and the stress depth DOLzero (μm), is 4.8×104 or more.
Toshitaka Yagi, Kohei Ogasawara, Yuki Motoshima, Reika Kojima, Yutaka Yamashita, Naoyuki Goto
Filed: 9 Aug 18
Utility
Crystallized glass substrate
14 Feb 23
To provide a crystallized glass substrate including a surface with a compressive stress layer, where a stress depth DOLzero of the compressive stress layer, at which the compressive stress is 0 MPa, is 45 to 200 μm, a compressive stress CS on an outermost surface of the compressive stress layer is 400 to 1400 MPa, and a central stress CT determined by using curve analysis is 55 to 300 MPa.
Toshitaka Yagi, Kohei Ogasawara, Yuki Motoshima, Reika Kojima, Yutaka Yamashita, Naoyuki Goto
Filed: 9 Aug 18
Utility
Optical Filter Glass Ceramic and Optical Filter
29 Dec 22
TOSHITAKA YAGI, SAYA KIKKAWA
Filed: 18 Sep 20
Utility
Crystallized Glass and Reinforced Crystallized Glass
13 Oct 22
Crystallized glass and strengthened crystallized glass with a novel composition, which have a high refractive index and high hardness, are provided.
KEISUKE SHIMAMURA, TOSHITAKA YAGI, KOHEI OGASAWARA
Filed: 19 Aug 20
Utility
Inorganic Composition Article and Crystallized Glass
18 Aug 22
To provide an inorganic composition article containing at least one kind selected from α-cristobalite and α-cristobalite solid solution as a main crystal phase, in which by mass % in terms of oxide, a content of a SiO2 component is 50.0% to 75.0%, a content of a Li2O component is 3.0% to 10.0%, a content of an Al2O3 component is 5.0% or more and less than 15.0%, and a total content of the Al2O3 component and a ZrO2 component is 10.0% or more, and a surface compressive stress value is 600 MPa or more.
KOHEI OGASAWARA, TOSHITAKA YAGI, NOZOMU ODA
Filed: 2 May 22
Utility
Dielectric Inorganic Composition
12 May 22
JIE FU
Filed: 23 Mar 20
Utility
Inorganic Composition Article and Crystallized Glass
12 May 22
To provide an inorganic composition article containing at least one kind selected from α-cristobalite and α-cristobalite solid solution as a main crystal phase, in which by mass % in terms of oxide, a content of a SiO2 component is 50.0% to 75.0%, a content of a Li2O component is 3.0% to 10.0%, a content of an Al2O3 component is 5.0% or more and less than 15.0%, and a total content of the Al2O3 component and a ZrO2 component is 10.0% or more, and a surface compressive stress value is 600 MPa or more.
KOHEI OGASAWARA, TOSHITAKA YAGI, NOZOMU ODA
Filed: 5 Mar 20