Patents by Inventor Yoshiko Nakamura

Yoshiko Nakamura 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: 20100237287
    Abstract: Disclosed are a phosphor having high luminance, a phosphor paste containing the phosphor and a light-emitting device. The phosphor includes an oxide containing M1, M2 and M3 (wherein M1 represents at least one element selected from the group consisting of Ba, Sr and Ca; M2 represents at least one element selected from the group consisting of Ti, Zr, Hf, Si, Ge and Sn, while containing at least Sn; 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 23, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Satoru Kuze, Yoshiko Nakamura
  • 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: 20100051921
    Abstract: An organic field effect transistor comprising a gate electrode 2, a gate insulating layer 3, a semiconductor layer 4, a source electrode 7, and a drain electrode 8, wherein the source electrode 7 and the drain electrode 8 are composed of conductive layers 6 and 6?, and compound layers 5 and 5? comprising an acceptor compound, respectively, wherein the compound layers 5 and 5? are each located in contact with the semiconductor layer 4, and wherein the semiconductor layer 4 contains a polymer compound having an ionization potential of 5.0 eV or more.
    Type: Application
    Filed: March 6, 2008
    Publication date: March 4, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Yoshiko Nakamura, Masato Ueda
  • Patent number: 7618658
    Abstract: A method for inhibiting growth of a Staphylococcus aureus, Propionibacterium, and Escherichia coli comprises the steps of providing an anti-microbial agent comprising Sasa tannin and contacting the microorganism to the anti-microbial agent.
    Type: Grant
    Filed: December 13, 2004
    Date of Patent: November 17, 2009
    Assignee: Hououdou Co., Ltd.
    Inventors: Yuuzou Tsuchida, Kotarou Tsuchida, Kenjirou Tsuchida, Kunitomo Watanabe, Yoshiko Nakamura, Atsuo Iwasawa
  • 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: 20090130236
    Abstract: The present invention relates to an anti-tetanic agent comprising a Sasa extract; an anti-fungal agent comprising a Sasa extract and an organic acid; an anti-viral agent comprising a Sasa extract; an anti-microbial agent comprising Sasa tannin; and an anti-microbial composition comprising a Sasa extract and an organic acid.
    Type: Application
    Filed: January 14, 2009
    Publication date: May 21, 2009
    Applicant: Hououdou Co., Ltd.
    Inventors: Yuuzou Tsuchida, Kotarou Tsuchida, Kenjirou Tsuchida, Kunitomo Watanabe, Yoshiko Nakamura, Atsuo Iwasawa
  • Publication number: 20080131535
    Abstract: The present invention provides a method comprising suppressing the growth of a microorganism selected from the group consisting of anthrax bacteria and a virus selected from the group consisting of herpes simplex virus and influenza virus by providing an object containing or impregnated with a composition comprising Sasa extract, and bringing the microorganism into contact with the composition.
    Type: Application
    Filed: February 5, 2008
    Publication date: June 5, 2008
    Applicant: Hououdou Co., Ltd.
    Inventors: Yuuzou Tsuchida, Kotarou Tsuchida, Kenjirou Tsuchida, Kunitomo Watanabe, Yoshiko Nakamura, Atsuo Iwasawa
  • Publication number: 20060029689
    Abstract: The present invention provides: a skin protection composition that can effectively suppress intrusion of contagious bacteria such as Pseudomonas aeruginosa, Bacillus subtilis, Bacillus anthracis, Escherichia coli, Staphylococcus aureus, or MRSA, and viruses such as influenza virus from wounds, skin and mucosa such as those of the eyes, nose, throat, ears, anus and vagina into the body, and can also suppress growth of the bacteria and viruses; a skin protection composition that can effectively prevent hospital infections or the like caused by resistant bacteria; a composition to prevent and/or treat bacterial and viral infections including hospital infections; an antiseptic; and a filter apparatus that can effectively suppress intrusion into the body and growth therein of contagious bacteria and viruses.
    Type: Application
    Filed: October 11, 2005
    Publication date: February 9, 2006
    Applicant: Hououdou Co., Ltd.
    Inventors: Yuuzou Tsuchida, Kotarou Tsuchida, Kenjirou Tsuchida, Kunitomo Watanabe, Yoshiko Nakamura, Atsuo Iwasawa
  • Publication number: 20050244515
    Abstract: The present invention relates to an anti-tetanic agent comprising a Sasa extract; an anti-fungal agent comprising a Sasa extract and an organic acid; an anti-viral agent comprising a Sasa extract; an anti-microbial agent comprising Sasa tannin; and an anti-microbial composition comprising a Sasa extract and an organic acid.
    Type: Application
    Filed: December 13, 2004
    Publication date: November 3, 2005
    Applicant: Hououdou Co., Ltd.
    Inventors: Yuuzuo Tsuchida, Kotarou Tsuchida, Kenjirou Tsuchida, Kunitomo Watanabe, Yoshiko Nakamura, Atsuo Iwasawa
  • Patent number: D546664
    Type: Grant
    Filed: August 15, 2005
    Date of Patent: July 17, 2007
    Assignee: Sega Corporation
    Inventors: Naoaki Shoui, Yoshiko Nakamura
  • Patent number: D550480
    Type: Grant
    Filed: August 15, 2005
    Date of Patent: September 11, 2007
    Assignee: Sega Corporation
    Inventors: Naoaki Shoui, Yoshiko Nakamura
  • Patent number: D491932
    Type: Grant
    Filed: March 18, 2003
    Date of Patent: June 22, 2004
    Assignee: Saga Corporation
    Inventor: Yoshiko Nakamura