Patents by Inventor Satoru Kuze

Satoru Kuze 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: 20100224828
    Abstract: Disclosed is a phosphor having high luminance. This phosphor includes an oxide containing M1, M2 and M3 (wherein M1 represents at least two elements selected from the group consisting of Ba, Sr and Ca; M2 represents at least one element selected from the group consisting of Ti, Zr and Hf; and M3 represents at least one element selected from the group consisting of Si and Ge) as a base material, while being added with an activator.
    Type: Application
    Filed: August 3, 2007
    Publication date: September 9, 2010
    Applicant: Sumitomo Chemical Company Limited
    Inventors: Satoru Kuze, Yoshiko Nakamura
  • Publication number: 20100140549
    Abstract: Disclosed is a metal mixed oxide which enables to obtain a phosphor exhibiting higher emission luminance. Also disclosed are a phosphor containing such a metal mixed oxide, a phosphor paste and a light-emitting device. The metal mixed oxide contains the following (1), (2) and (3) as metal elements: (1) (an) alkaline earth metal element(s) selected from Ba, C and Mg; (2) aluminum (Al); and (3) at least one element (M) selected from rare earth elements and manganese. In this connection, when the molar ratio of Ba:Ca:Mg:Al:M is expressed as a:b:c:d:e, the following relations are satisfied: 0.3?a?8, 0?b<12.5, 0?c<12.5, 11?a+b+c?13, 13?d?15, 0.0001?e?1.0.
    Type: Application
    Filed: November 19, 2007
    Publication date: June 10, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Satoru Kuze, Yoshiko Nakamura
  • Publication number: 20100127612
    Abstract: The present invention provides a phosphor and an electron beam excited light-emitting device. The phosphor comprises a compound represented by the formula (I) ; and at least one selected from the group consisting of Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Mn as an activator, M1O.mM2O.nM3O2 ??(I) wherein M1 is at least two selected from the group consisting of Ca, Sr and Ba, Sr alone or Ba alone, M2 is at least one selected from the group consisting of Mg and Zn, M3 is at least one selected from the group consisting of Si, Ge and Zr, 0.8?m?1.2, and 1.6?n?2.4. The electron beam excited light-emitting device comprises the above phosphor.
    Type: Application
    Filed: March 20, 2006
    Publication date: May 27, 2010
    Inventors: Yoshiko Nakamura, Toshinori Isobe, Satoru Kuze, Susumu Miyazaki
  • Publication number: 20100102276
    Abstract: The present invention provides a phosphor for an ultraviolet excited light-emitting device, a phosphor paste and an ultraviolet excited light-emitting device. A phosphor for an ultraviolet excited light-emitting device, the phosphor comprising an oxide containing M1, M2 and M3 as a matrix and an activator, wherein M1 represents at least one element selected from the group consisting of Ba, Sr and Ca, M2 represents at least two elements selected from the group consisting of Ti, Zr and Hf, and M3 represents at least one element selected from the group consisting of Si and Ge.
    Type: Application
    Filed: February 27, 2008
    Publication date: April 29, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY ,LIMITED
    Inventors: Satoru Kuze, Yoshiko Nakamura
  • Publication number: 20090315448
    Abstract: The present invention provides a phosphor, a phosphor paste and a light emitting device. The phosphor comprises a compound represented by the formula (1): M13(1-x)Eu3xM2mM3nO3+m+2n (1) wherein M1 is at least one selected from the group consisting of Ba, Sr and Ca, M2 is at least one selected from the group consisting of Mg and Zn, M3 is at least one selected from the group consisting of Si and Ge, and m, n and x satisfy the following relations: 0.9?m?1.1; 1.8 ?n?2.2; and 0.00016 ?x?0.003. The phosphor paste comprises the phosphor, an optional organic binder and an optional solvent. The light emitting device comprises the phosphor, and an optional excitation source for the phosphor.
    Type: Application
    Filed: April 4, 2006
    Publication date: December 24, 2009
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Satoru Kuze, Takayoshi Ezuhara, Yuichiro Imanari, Susumu Miyazaki
  • Publication number: 20090230839
    Abstract: Disclosed is a phosphor having enhanced luminance. Specifically disclosed is a phosphor characterized by being substantially composed of an oxide containing Sr, Ca, Eu, Mg, Si and a halogen element(s) at a molar ratio of a:b:c:d:e:f (wherein a is not less than 0.5 but less than l, b is not less than 0 but less than 0.5, c is more than 0 but less than 0.3, d is not less than 0.8 but not more than 1.2, e is not less than 1.9 but not more than 2.1 and f is not less than 0.0008 but not more than 0.3), which oxide further contains oxygen.
    Type: Application
    Filed: June 15, 2007
    Publication date: September 17, 2009
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, National Institute of Avanced Industrial Science
    Inventors: Yoshiko Nakamura, Satoru Kuze, Yoshihiro Nishisu
  • Publication number: 20090142598
    Abstract: The present invention provides a phosphor and an ultraviolet excited light-emitting device. The phosphor comprises a compound represented by the formula (I): Ca1-b-cSrbEucMgSi2O6 (I) wherein 0.5<b<1, and 0<c?0.1. The ultraviolet excited light-emitting device comprises the above phosphor.
    Type: Application
    Filed: November 28, 2005
    Publication date: June 4, 2009
    Applicant: SUMITOMO CHEMICAL COMPANY LIMITED
    Inventors: Yoshiko Nakamura, Toshinori Isobe, Satoru Kuze, Susumu Miyazaki
  • Publication number: 20070247051
    Abstract: Disclosed are a phosphor, a phosphor paste, and a light-emitting device. The phosphor comprises a compound represented by the formula (1): CaaSrbEu1-a-bMgSi2O6??(1) wherein 0.4?a?0.7, 0.4?b?0.7, and a+b?0.990. The phosphor paste comprises the above phosphor and an organic compound. The light-emitting device comprises the above phosphor and an electrode.
    Type: Application
    Filed: August 31, 2005
    Publication date: October 25, 2007
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Satoru Kuze, Keiji Ono, Susumu Miyazaki, Yuichiro Imanari, Toshinori Isobe