Patents by Inventor Yuki YOKOTA

Yuki YOKOTA 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).

  • Publication number: 20240132645
    Abstract: A composition containing a compound represented by the following Formula (1): [in the Formula (1), R11 and R12 each independently represent a hydrogen atom or a methyl group; and R13 represents a divalent group having a polyoxyalkylene chain]; and a compound represented by the following Formula (2): [in the Formula (2), R21 and R22 each independently represent a hydrogen atom or a methyl group; and R23 represents a divalent group having a poly(meth)acrylate chain].
    Type: Application
    Filed: February 17, 2022
    Publication date: April 25, 2024
    Inventors: Naoki FURUKAWA, Yuki NAKAMURA, Nozomi MATSUBARA, Hiroshi YOKOTA
  • Publication number: 20240132646
    Abstract: A composition containing a compound represented by the following Formula (1): [in the Formula (1), R11 and R12 each independently represent a hydrogen atom or a methyl group; and R13 represents a divalent group having a polyoxyalkylene chain]; and a compound represented by the following Formula (2): [in the Formula (2), R21 and R22 each independently represent a hydrogen atom or a monovalent organic group, and R21 and R22 may be bonded to each other to form a ring; and R23 represents a hydrogen atom or a methyl group].
    Type: Application
    Filed: February 17, 2022
    Publication date: April 25, 2024
    Inventors: Naoki FURUKAWA, Yuki NAKAMURA, Nozomi MATSUBARA, Hiroshi YOKOTA
  • Patent number: 11884583
    Abstract: The present invention relates to a method of producing a colored glass for a pharmaceutical container by which the transmittance of a glass to be obtained is easily controlled so as to satisfy the standards of the Japanese Pharmacopoeia.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: January 30, 2024
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventor: Yuki Yokota
  • Publication number: 20230382787
    Abstract: To provide a Li2O—Al2O3—SiO2-based crystallized glass in which yellow coloration caused by TiO2, Fe2O3, and the like is suppressed and yet transparency is ensured. The Li2O—Al2O3—SiO2-based crystallized glass is characterized by containing, in mass %, less than 0.5% of TiO2 and having a ?-OH value from 0.001 to 2/mm.
    Type: Application
    Filed: September 6, 2021
    Publication date: November 30, 2023
    Inventors: Yuki YOKOTA, Yusuke OKADA, Takahiro TAKAHASHI
  • Publication number: 20230357070
    Abstract: Provided is a crystallized glass, which has a high fracture toughness value, and besides, is excellent in transparency. The crystallized glass includes, in terms of mass%, 40% to 70% of SiO2, 5% to 40% of Al2O3, 2% to 25% of B2O3, 0% to 15% of MgO+ZnO, 0% to 20% of CaO+SrO+BaO, 0% to 8% of P2O5+TiO2+ZrO2, 1% to 20% of Na2O+K2O, and 0% to 6% of Li2O, has a crystallinity of from 1% to 50%, and has an average visible-light transmittance of 50% or more at a thickness of 0.8 mm and a wavelength of from 380 nm to 780 nm.
    Type: Application
    Filed: April 13, 2021
    Publication date: November 9, 2023
    Inventors: Takahiro MATANO, Yuki YOKOTA, Atsushi TANAKA, Yoshihisa TAKAYAMA
  • Publication number: 20230322613
    Abstract: To provide a glass article suitable for a top plate for a cooker, in which a color tone of a colored layer is not impaired. A glass article is characterized by including a Li2O—Al2O3—SiO2-based crystallized glass sheet having lightness L* of 70 or greater, chromaticity a* of within ±5, and chromaticity b* of within ±5 at a thickness of 3 mm, and a colored layer formed on a back surface of the glass sheet.
    Type: Application
    Filed: September 6, 2021
    Publication date: October 12, 2023
    Inventors: Yuki YOKOTA, Takahiro MATANO, Shohei YOKOYAMA, Tsukasa MATSUBARA
  • Publication number: 20230312403
    Abstract: A crystallized glass contains: from 58 to 70% of SiO2, from 15 to 30% of Al2O3, from 2 to 10% of Li2O, from 0 to 10% of Na2O, from 0 to 10% of K2O, from 0 to 15% of Na2O+K2O, from 0 to 15% of MgO+CaO+SiO+BaO+ZnO, from 0.1 to 6% of SnO2, from 0.5 to 6% of ZrO2, from 0 to 4% of TiO2, and from 0 to 6% of P2O5 in mass %, in which the crystallized glass has a degree of crystallinity of 1 to 95%, and an average visible light transmittance of 50% or greater at a thickness of 0.8 mm and a wavelength of 380 to 780 nm, and a compression stress layer is formed on a surface.
    Type: Application
    Filed: October 7, 2021
    Publication date: October 5, 2023
    Applicant: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Takahiro MATANO, Yuki YOKOTA, Atsushi TANAKA, Tomonori ICHIMARU, Yoshihisa TAKAYAMA, Ken YUKI
  • Publication number: 20230278923
    Abstract: Provided is a composition for a glass fiber having a high elastic modulus and satisfactory productivity. The composition for a glass fiber includes, in terms of mass %, 0% to 1% of Li2O+Na2O+K2O, and has SiO2/Al2O3 of from 1 to 4 and MgO/CaO of from 0.2 to 3.9 in terms of mass ratio.
    Type: Application
    Filed: May 28, 2021
    Publication date: September 7, 2023
    Inventors: Kyohei SEGAWA, Miki KIMURA, Yuki YOKOTA
  • Publication number: 20230159379
    Abstract: Provided is a Li2O-Al2O3-SiO2-based crystallized glass that has a high permeability to light in a ultraviolet to infrared range and is less likely to be broken. A Li2O-Al2O3-SiO2-based crystallized glass contains, in terms of % by mass, 40 to 90% SiO2, 5 to 30% Al2O3, 1 to 10% Li2O, 0 to 20% SnO2, 0 to 5% ZrO2, 0 to 10% MgO, 0 to 10% P2O5, and 0 to 4% TiO2 and a mass ratio of Li2O/(MgO+CaO+SrO+BaO+Na2O+K2O) is 3 or less.
    Type: Application
    Filed: March 18, 2020
    Publication date: May 25, 2023
    Inventors: Yuki YOKOTA, Shotaro HIRANO, Shin TOJO
  • Publication number: 20230067353
    Abstract: The purpose of this invention is to provide an automated analyzer that is capable of photographing operations at a plurality of processing units while suppressing manufacturing cost growth. This automated analyzer comprises a plurality of processing units for carrying out operations related to analysis, a plurality of measurement instrument mounting parts that are disposed in each of the plurality of processing units and upon which a measuring instrument for measuring the operations of the plurality of processing units can be mounted, and a control unit for controlling the plurality of processing units. The plurality of measurement instrument mounting parts are configured such that the measuring instrument can be removed from each of the measurement instrument mounting parts and such that after being removed from one measurement instrument mounting part, the measuring instrument can be mounted on another measurement instrument mounting part.
    Type: Application
    Filed: December 9, 2020
    Publication date: March 2, 2023
    Inventors: Yuki YOKOTA, Shunsuke SASAKI, Kenta IMAI, Takenori OKUSA
  • Patent number: 11577990
    Abstract: Provided is a glass fiber having a low spinning temperature and a low liquidus temperature, and besides, having a large difference between the liquidus temperature and the spinning temperature, and a method of manufacturing the same. The glass fiber of the present invention includes as a glass composition, in terms of mass % on an oxide basis, 50% to 65% of SiO2, 0% to 3% of Al2O3, 0% to 1% of MgO, 0% to less than 0.7% of CaO, 0% to 1% of Li2O, 10% to 20% of Na2O, 0% to 2% of K2O, 6% to 10% of TiO2, and 15% to 20% of ZrO2, and has a value for (Na2O+K2O)/(MgO+CaO) of 6.0 or more.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: February 14, 2023
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Yuki Yokota, Hiroshi Sawasato, Minoru Matsumoto
  • Publication number: 20220212980
    Abstract: A glass composition for a glass fiber, contains: in mass %, SiO2: 50% to 65%, Al2O3: 12.3% to 13.7%, B2O3: 1.1% to 5.5%, MgO: 0% to 10%, CaO: 15% to 30%, ZnO: 0% to less than 1%, Li2O: 0% to less than 1%, Na2O: 0% to 2%, K2O: 0% to 2%, TiO2: 0% to less than 0.5%, SiO2+MgO+CaO: 79% to 86%, Li2O+Na2O+K2O: 0% to 2%, and being substantially free of P2O5, wherein (SiO2+MgO+CaO)/MgO is 30 to 80, and (MgO+CaO)/MgO is 8 to 18 in a mass ratio.
    Type: Application
    Filed: April 21, 2020
    Publication date: July 7, 2022
    Applicant: NIPPON ELECTRIC GLASS CO., LTD.
    Inventor: Yuki YOKOTA
  • Patent number: 11312654
    Abstract: Provided is a composition for a glass fiber which has a high elastic modulus and satisfactory productivity, and can facilitate the production of a fine-count glass fiber. The composition for a glass fiber of the present invention includes, as a glass composition expressed as a mass percent in terms of oxide, 50% to 70% of SiO2, 15% to 25% of Al2O3, 3% to 13% of MgO, 3% to 15% of CaO, and 0.5% to 5% of B2O3.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: April 26, 2022
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Yuki Yokota, Toshikatsu Tanaka
  • Patent number: 11286198
    Abstract: An object of the present invention is to provide a less tinted LAS system crystallized glass. In the present invention, a content of each of V and Cr in the LAS system crystallized glass is 0 to 3 ppm and a content of each of Sc, La, Ce, Pr, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Ac, Th, Pa, and U is 0 to 10 ppm.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: March 29, 2022
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventor: Yuki Yokota
  • Publication number: 20220081348
    Abstract: Provided is a Li2O—Al2O3—SiO2-based crystallized glass that has a high permeability to light in an ultraviolet to infrared range and is less susceptible to breakage. A Li2O—Al2O3—SiO2-based crystallized glass contains, in terms of % by mass, 40 to 90% SiO2, 1 to 10% Li2O, 5 to 30% Al2O3, 0 to 20% SnO2, over 0 to 20% ZrO2, 0 to below 2% TiO2, 0 to 10% MgO, and 0 to 10% P2O5 and includes a ?-spodumene solid solution precipitated as a main crystalline phase.
    Type: Application
    Filed: March 18, 2020
    Publication date: March 17, 2022
    Inventor: Yuki YOKOTA
  • Publication number: 20220034929
    Abstract: Provided is an automatic analyzer in which an abnormality of a flow path including malfunction of an electromagnetic valve or a pressure change portion can be detected using an existing sensor that measures a liquid amount in a container. A syringe 103, a first electromagnetic valve 104, and a second electromagnetic valve 105 are operated such that a predetermined liquid aspirating and discharging operation is performed in a container 101, a liquid discharging unit 108, and flow path systems 113 and 114 and whether or not an abnormality occurs in the flow path system is determined based on a liquid amount measured by the sensor 102.
    Type: Application
    Filed: August 29, 2019
    Publication date: February 3, 2022
    Inventors: Yuki Yokota, Koshin Hamasaki, Yoshihiro Yamashita
  • Publication number: 20220033298
    Abstract: Provided is a Li2O—Al2O3—SiO2-based crystallized glass in which a yellowish tint due to TiO2, Fe2O3 or so on is reduced. The Li2O—Al2O3—SiO2-based crystallized glass contains, in terms of % by mass, 40 to 90% SiO2, 5 to 30% Al2O3, 1 to 10% Li2O, 0 to 20% SnO2, 1 to 20% ZrO2, 0 to 10% MgO, 0 to 10% P2O5, and 0 to below 2% TiO2.
    Type: Application
    Filed: March 18, 2020
    Publication date: February 3, 2022
    Inventors: Yuki YOKOTA, Takahiro MATANO, Takahiro TAKAHASHI, Shin TOJO
  • Publication number: 20210403370
    Abstract: A Li2O—Al2O3—SiO2-based crystallized glass contains: in a mass basis, SnO2: 0% to 5%; and HfO2+Ta2O5: 0.01% to 10%.
    Type: Application
    Filed: October 11, 2019
    Publication date: December 30, 2021
    Applicant: NIPPON ELECTRIC GLASS CO., LTD.
    Inventor: Yuki YOKOTA
  • Publication number: 20210179485
    Abstract: Provided is a glass fiber having a low spinning temperature and a low liquidus temperature, and besides, having a large difference between the liquidus temperature and the spinning temperature, and a method of manufacturing the same. The glass fiber of the present invention includes as a glass composition, in terms of mass % on an oxide basis, 50% to 65% of SiO2, 0% to 3% of Al2O3, 0% to 1% of MgO, 0% to less than 0.7% of CaO, 0% to 1% of Li2O, 10% to 20% of Na2O, 0% to 2% of K2O, 6% to 10% of TiO2, and 15% to 20% of ZrO2, and has a value for (Na2O+K2O)/(MgO+CaO) of 6.0 or more.
    Type: Application
    Filed: November 21, 2018
    Publication date: June 17, 2021
    Inventors: Yuki YOKOTA, Hiroshi SAWASATO, Minoru MATSUMOTO
  • Publication number: 20200181002
    Abstract: An object of the present invention is to provide a less tinted LAS system crystallized glass. In the present invention, a content of each of V and Cr in the LAS system crystallized glass is 0 to 3 ppm and a content of each of Sc, La, Ce, Pr, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Ac, Th, Pa, and U is 0 to 10 ppm.
    Type: Application
    Filed: August 31, 2018
    Publication date: June 11, 2020
    Inventor: Yuki YOKOTA