Patents Assigned to KOA Glass Co., Ltd.
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Patent number: 11174187Abstract: The present invention relates to a glass container having multiple concavities at the bottom plane of a mouth provided with a rim, and a one-press method for producing a glass container, by which such a glass container can be produced with high yield.Type: GrantFiled: January 30, 2017Date of Patent: November 16, 2021Assignee: KOA Glass Co., LTDInventor: Masahiro Takahashi
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Patent number: 11006634Abstract: An antimicrobial glass tablet that releases silver ions when brought into direct contact with water, containing: Ag2O within the range of above 5% by weight but less than 10% by weight, ZnO below 10% by weight, P2O5, CaO, K2O, Al2O3, and MgO.Type: GrantFiled: May 22, 2018Date of Patent: May 18, 2021Assignee: KOA Glass Co., Ltd.Inventors: Yoshinao Kobayashi, Kunihiko Nemoto
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Patent number: 10968131Abstract: Provided is a method for manufacturing a glass container with which a glass container having a distinctively shaped inner space and excellent aesthetic appearance can be manufactured in good yield. The method for manufacturing a glass container includes steps (A) to (E). (A) A step of introducing a gob into a mold through a funnel. (B) A step of blowing air into the mold through the funnel, bringing a plunger disposed on a side opposite the side to which the funnel is fitted in contact with the gob, separating the plunger from the gob, and forming a recess on the surface of the gob. (C) A step of removing the funnel from the mold and fitting a baffle to the mold. (D) A step of blowing air from the plunger, and forming an inner space inside the gob with the recess as a starting point while simultaneously forming an outer shape by pressing the outer side of the gob to a molding surface of the mold to obtain a glass container of the final shape.Type: GrantFiled: January 26, 2017Date of Patent: April 6, 2021Assignee: KOA GLASS CO., LTD.Inventors: Masahiro Takahashi, Shotaro Takahashi, Naomasa Saito
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Patent number: 10640409Abstract: There is provided a method of manufacturing a glass container that can manufacture a glass container, which includes a bubble formed in a bottom portion and independent of the outside, with high yield by accurately controlling the position and size of the bubble.Type: GrantFiled: February 13, 2017Date of Patent: May 5, 2020Assignee: KOA GLASS CO., LTD.Inventors: Yuya Sasaki, Kenjirou Arai
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Patent number: 10494133Abstract: A white glass container derived from a phase separation phenomenon of a halogen-free glass composition includes a neck portion and a body portion. The glass composition includes as ingredients at least SiO2, P2O5, Al2O3, B2O3, R2O (R?Na or K), MgO, CaO and the like. The neck portion and the body portion respectively have a white multilayer structure formed to successively include a white transparent layer of relatively low white coloration and a white opaque layer of relatively high white coloration from the outer surface side. The contents of P2O5 in the white transparent layer are made smaller than the contents of P2O5 in the white opaque layer.Type: GrantFiled: August 4, 2015Date of Patent: December 3, 2019Assignee: KOA GLASS CO., LTD.Inventors: Yoshiaki Kamiya, Naoki Nakamura
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Patent number: 10202216Abstract: A decorative glass container has clear boundary lines and good adhesion properties, and has a lower layer including a thick wall portion and a thin wall portion, a vapor-deposition layer patterned by a forming region and a non-forming region, and an overcoat layer made of a UV curable resin, on the upper part of the glass container in order. A method for manufacturing the decorative glass container, in which the forming region of the vapor-deposition layer is disposed on the upper part of the thick wall portion of the lower layer, the non-forming region of the vapor-deposition layer is disposed on the upper part of the thin wall portion of the lower layer, and a contact region is provided in which the lower layer and the overcoat layer are in direct contact with each other by way of the non-forming region of the vapor-deposition layer.Type: GrantFiled: December 8, 2015Date of Patent: February 12, 2019Assignee: KOA GLASS CO., LTD.Inventor: Kunihiro Fushimi
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Publication number: 20180215643Abstract: The present invention relates to a glass container having multiple concavities at the bottom plane of a mouth provided with a rim, and a one-press method for producing a glass container, by which such a glass container can be produced with high yield.Type: ApplicationFiled: January 30, 2017Publication date: August 2, 2018Applicant: KOA GLASS CO., LTDInventor: Masahiro TAKAHASHI
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Patent number: 9969642Abstract: There are provided a one-press manufacturing method for a glass container that can form uneven shapes on an inner peripheral surface of a glass container and a glass container that is obtained by the one-press manufacturing method.Type: GrantFiled: August 27, 2013Date of Patent: May 15, 2018Assignee: KOA GLASS CO., LTDInventors: Tsuyoshi Sato, Daisuke Date
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Publication number: 20180037811Abstract: A glass-coated light-accumulating material having excellent water resistance and having excellent luminescence properties for a long time period, and an efficient method for producing such a glass-coated light-accumulating material are provided. Disclosed are a glass-coated light-accumulating material formed by incorporating a metal aluminate salt as a light-accumulating material into a glass component including a zinc phosphate glass as a main component; and a method for producing such a glass-coated light-accumulating material, in which the zinc phosphate glass includes P2O5, ZnO, and R2O (wherein R?Na or K) as main components, and the melting point of the zinc phosphate glass is adjusted to a value within the range of 600° C. to 900° C.Type: ApplicationFiled: August 26, 2016Publication date: February 8, 2018Applicant: KOA GLASS CO., LTD.Inventors: Yoshinao KOBAYASHI, Kunihiko NEMOTO
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Patent number: 9458046Abstract: The present invention provides a white glass container which does not contain a fluorine compound in a significant amount, which has a multi-layer structure derived from a phase separation phenomenon of a glass composition in part or the whole of the white glass container without depending on melting conditions or molding conditions of the glass composition, and which is excellent in mechanical strength or whiteness, and a method of efficiently manufacturing the white glass container.Type: GrantFiled: October 17, 2013Date of Patent: October 4, 2016Assignee: KOA GLASS CO., LTD.Inventors: Yoshiaki Kamiya, Michiko Takahashi
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Patent number: 9017708Abstract: A mixed antibacterial glass which stably controls the silver ion elution amount from the antibacterial glass into the drain water in an air conditioning system, thereby effectively preventing the occurrence of microorganisms in the drain water. The mixed antibacterial glass achieves antibacterial effect by releasing silver ions, and contains an antibacterial glass which shows alkalinity when dissolved, and another antibacterial glass which shows acidity when dissolved, the silver ion elution amounts from the antibacterial glasses showing alkalinity or acidity being within certain ranges as measured under certain conditions, the compounding amount of the antibacterial glass showing alkalinity being from 10 to 100 parts by weight with reference to 100 parts by weight of the antibacterial glass showing acidity, and the total silver ion elution amount being within a certain range as measured under certain conditions.Type: GrantFiled: November 10, 2010Date of Patent: April 28, 2015Assignee: Koa Glass Co., Ltd.Inventors: Yoshinao Kobayashi, Takashi Fushimi, Noriyuki Nishiyama, Satoshi Niigawa
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Patent number: 8753657Abstract: The present invention relates to an antibacterial resin composition derived from a master batch, an antibacterial fiber, an antibacterial film, and a producing method of an antibacterial resin composition therefrom, comprising a polyethylene terephthalate resin as the component (A), and a polybutylene terephthalate resin as the component (B), an antibacterial glass which elutes silver ions as a component (C), which is characterized by having a composition formulated below (A) a polyethylene terephthalate resin: 100 pbw (B) a polybutylene terephthalate resin: 0.5 to 25 pbw (C) an antibacterial glass: 0.1 to 10 pbw.Type: GrantFiled: October 20, 2011Date of Patent: June 17, 2014Assignee: Koa Glass Co., Ltd.Inventor: Yoshinao Kobayashi
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Publication number: 20130248528Abstract: Provided are a decorative glass container having clear boundary lines and good adhesion properties, and a method for manufacturing such a decorative glass container. The decorative glass container having, a lower layer including a thick wall portion and a thin wall portion, a vapor-deposition layer patterned by a forming region and a non-forming region, and an overcoat layer made of a UV curable resin, on the upper part of the glass container in order, and the method for manufacturing the decorative glass container, in which the forming region of the vapor-deposition layer is disposed on the upper part of the thick wall portion of the lower layer, the non-forming region of the vapor-deposition layer is disposed on the upper part of the thin wall portion of the lower layer by means of laser processing or the like, and a contact region is provided in which the lower layer and the overcoat layer are in direct contact with each other by way of the non-forming region of the vapor-deposition layer.Type: ApplicationFiled: November 10, 2011Publication date: September 26, 2013Applicant: KOA GLASS CO., LTD.Inventor: Kunihiro Fushimi
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Publication number: 20120321689Abstract: The present invention relates to an antibacterial resin composition derived from a master batch, an antibacterial fiber, an antibacterial film, and a producing method of an antibacterial resin composition therefrom, comprising a polyethylene terephthalate resin as the component (A), and a polybutylene terephthalate resin as the component (B), an antibacterial glass which elutes silver ions as a component (C), which is characterized by having a composition formulated below. (A) a polyethylene terephthalate resin: 100 pbw (B) a polybutylene terephthalate resin: 0.5 to 25 pbw (C) an antibacterial glass: 0.1 to 10 pbw.Type: ApplicationFiled: October 20, 2011Publication date: December 20, 2012Applicant: KOA GLASS CO., LTD.Inventor: Yoshinao Kobayashi
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Patent number: 8327665Abstract: There is provided a one-press method for producing a glass vessel, the method enabling efficient production of even a glass vessel having the maximum thick wall part having a thickness larger than a predetermined value by using a divided type forming mold having a specific parting line.Type: GrantFiled: May 12, 2009Date of Patent: December 11, 2012Assignee: KOA Glass Co., Ltd.Inventors: Juji Ishigame, Takenori Yamanaka, Daisuke Date
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Patent number: 8034732Abstract: An antimicrobial glass is provided which can release a predetermined amount of silver ion rapidly for a long period of time and can provide a predetermined antimicrobial treatment repeatedly to a matter to be antibacterialized during or after washing and which is excellent in discoloration prevention effect and discriminativity, and a method for producing the same is also provided. A tabular antimicrobial glass capable of exerting an antimicrobial effect by releasing silver ions, wherein the maximum diameter (t1) is adjusted within the range of 3 to 30 mm and which contains an inorganic coloring agent as a compounded component, wherein the addition amount of the inorganic coloring agent is adjusted to a value within the range of 0.001 to 0.5% by weight to the total amount.Type: GrantFiled: February 2, 2007Date of Patent: October 11, 2011Assignee: Koa Glass Co., Ltd.Inventors: Yoshinao Kobayashi, Mamoru Kitamura, Shinobu Kanamaru, Kenichi Tanaka
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Patent number: 7851035Abstract: A multicolor development glass vessel of high surface hardness whose color is differentiated depending on the direction of viewing the glass vessel and a process for producing the same are provided. In the multicolor development glass vessel, a multilayer film is directly or indirectly formed on the external surface and internal surface, or either one thereof of the glass vessel by vapor deposition or sputtering technique and contains, for example, two types of vapor deposition layers whose refractive indices differ from each other by 0.1 or more in an alternate manner. Furthermore, for carrying out the process for producing the multicolor development glass vessel, the following steps (1) and (2) are included. (1) Step of preparing a glass vessel.Type: GrantFiled: March 11, 2005Date of Patent: December 14, 2010Assignee: Koa Glass Co., Ltd.Inventors: Kunihiro Fushimi, Eiji Ue
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Publication number: 20100004111Abstract: An antimicrobial glass is provided which can release a predetermined amount of silver ion rapidly for a long period of time and can provide a predetermined antimicrobial treatment repeatedly to a matter to be antibacterialized during or after washing and which is excellent in discoloration prevention effect and discriminativity, and a method for producing the same is also provided. A tabular antimicrobial glass capable of exerting an antimicrobial effect by releasing silver ions, wherein the maximum diameter (t1) is adjusted within the range of 3 to 30 mm and which contains an inorganic coloring agent as a compounded component, wherein the addition amount of the inorganic coloring agent is adjusted to a value within the range of 0.001 to 0.5% by weight to the total amount.Type: ApplicationFiled: February 2, 2007Publication date: January 7, 2010Applicant: KOA GLASS CO., LTD.Inventors: Yoshinao Kobayashi, Mamoru Kitamura, Shinobu Kanamaru, Kenichi Tanaka
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Publication number: 20090060967Abstract: An object of the present invention is to provide an antimicrobial fiber having a diameter of approximately 10 to 30 ?m that is superior in surface smoothness, transparency, and others, and a method for producing the same thereof. Provided is an antimicrobial fiber, comprising a transparent resin, an antimicrobial glass, and inorganic particles as a dispersant of the antimicrobial glass, wherein a diameter of the antimicrobial fiber is in the range of 10 to 30 ?m, an average particle size of the antimicrobial glass is in the range of 0.1 to 10 ?m, an addition quantity of the antimicrobial glass is in the range of 0.1 to 10% by weight with respect to the total weight, an average particle size of the inorganic particles is in the range of 1 to 15 ?m, and an addition quantity of the inorganic particles is in the range of 0.1 to 50 parts by weight with respect to 100 parts by weight of the addition quantity of the antimicrobial glass.Type: ApplicationFiled: November 17, 2005Publication date: March 5, 2009Applicant: KOA GLASS CO., LTD.Inventors: Yoshiaki Kamiya, Kenichi Tanaka, Shinobu Kanamaru
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Publication number: 20080233319Abstract: A multicolor development glass vessel of high surface hardness whose color is differentiated depending on the direction of viewing the glass vessel and a process for producing the same are provided. In the multicolor development glass vessel, a multilayer film is directly or indirectly formed on the external surface and internal surface, or either one thereof of the glass vessel by vapor deposition or sputtering technique and contains, for example, two types of vapor deposition layers whose refractive indices differ from each other by 0.1 or more in an alternate manner. Furthermore, for carrying out the process for producing the multicolor development glass vessel, the following steps (1) and (2) are included. (1) Step of preparing a glass vessel.Type: ApplicationFiled: March 11, 2005Publication date: September 25, 2008Applicant: KOA GLASS CO., LTD.Inventors: Kunihiro Fushimi, Eiji Ue