Patents by Inventor Masato Muguruma

Masato Muguruma 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).

  • GLASS SUBSTRATE FOR SOLAR CELL
    Publication number: 20150325725
    Abstract: Provided is a glass substrate for a solar cell, including as a glass composition, in terms of mass %, 40 to 70% of SiO2, 1 to 20% of Al2O3, and 1 to 20% of Na2O, and having a water content in glass of less than 25 mmol/L.
    Type: Application
    Filed: December 21, 2012
    Publication date: November 12, 2015
    Inventors: Masato MUGURUMA, Hironori TAKASE, Takashi MURATA, Junichi ISEKI
  • Glass plate for thin film solar cell
    Patent number: 9133052
    Abstract: A glass sheet for a thin-film solar cell of the present invention is characterized by including, as a glass composition in terms of mass %, 45 to 60% of SiO2, more than 8.0 to 18% of Al2O3, 0 to 15% (excluding 15%) of B2O3, 1 to 40% of MgO+CaO+SrO+BaO, and 1 to 30% of Na2O+K2O, and having a strain point of more than 580° C.
    Type: Grant
    Filed: April 25, 2012
    Date of Patent: September 15, 2015
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventor: Masato Muguruma
  • Glass base material
    Patent number: 9133055
    Abstract: Provided is a glass base material having excellent sodium feeding capability as a glass base material for solar cells such as compound semiconductor solar cells. The invention is concerned with a glass base material which is used for solar cells, wherein on at least one surface thereof, a sodium concentration in a depth of 0.2 ?m from the surface of the glass base material is 0.55 or larger in terms of a relative value relative to a sodium concentration in a depth of 1 ?m from the surface of the glass base material.
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: September 15, 2015
    Assignee: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Akihiko Sakamoto, Yoshimasa Kawamura, Masakazu Tanida, Masato Muguruma, Yusuke Himei
  • GLASS
    Publication number: 20150166402
    Abstract: Provided is a glass, including, as a glass composition, in mass % in terms of the following oxides, 40 to 65% of SiO2, 2 to 20% of Al2O3, 0 to 20% of B2O3, 0 to 15% of MgO, 0 to 15% of CaO, 0 to 20% of SrO, 0 to 20% of BaO, 0 to 10% of Li2O, 0.1 to 20% of Na2O, 0.1 to 20% of K2O, 0 to 10% of ZrO2, 0 to less than 0.04% of Fe2O3, and 0 to 0.5% of SO3, in which a transmittance of the glass with a thickness of 1.8 mm at a wavelength 1,100 nm is 86 to 92%.
    Type: Application
    Filed: January 11, 2013
    Publication date: June 18, 2015
    Applicant: Nippon Electric Glass Co., Ltd.
    Inventors: Masato Muguruma, Hironori Takase, Shinkichi Miwa
  • STRENGTHENED GLASS
    Publication number: 20150017412
    Abstract: A tempered glass according to one embodiment of the present invention is a tempered glass having a compression stress layer in a surface thereof, the tempered glass including as a glass composition, in terms of mass %, 45 to 75% of SiO2, 10 to 25% of Al2O3, 0 to 10% of B2O2, 0 to 8% of MgO, 0 to 20% of SrO+BaO, and 0 to 14% of Na2O. Herein, the term “SrO+BaO” refers to the total amount of SrO and BaO.
    Type: Application
    Filed: February 19, 2013
    Publication date: January 15, 2015
    Inventors: Takashi Murata, Takako Tojyo, Masato Muguruma, Kosuke Kawamoto
  • GLASS BASE MATERIAL
    Publication number: 20140144492
    Abstract: Provided is a glass base material having excellent sodium feeding capability as a glass base material for solar cells such as compound semiconductor solar cells. The invention is concerned with a glass base material which is used for solar cells, wherein on at least one surface thereof, a sodium concentration in a depth of 0.2 ?m from the surface of the glass base material is 0.55 or larger in terms of a relative value relative to a sodium concentration in a depth of 1 ?m from the surface of the glass base material.
    Type: Application
    Filed: July 9, 2012
    Publication date: May 29, 2014
    Applicant: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Akihiko Sakamoto, Yoshimasa Kawamura, Masakazu Tanida, Masato Muguruma, Yusuke Himei
  • GLASS PLATE FOR THIN FILM SOLAR CELL
    Publication number: 20140087935
    Abstract: A glass sheet for a thin-film solar cell of the present invention is characterized by including, as a glass composition in terms of mass %, 45 to 60% of SiO2, more than 8.0 to 18% of Al2O3, 0 to 15% (excluding 15%) of B2O3, 1 to 40% of MgO+CaO+SrO+BaO, and 1 to 30% of Na2O+K2O, and having a strain point of more than 580° C.
    Type: Application
    Filed: April 25, 2012
    Publication date: March 27, 2014
    Inventor: Masato Muguruma