Patents by Inventor Tsugumitsu Sarata

Tsugumitsu Sarata 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).

  • Lead-free glass material for use in sealing and, sealed article and method for sealing using the same
    Patent number: 7585798
    Abstract: A lead-free glass material for use in sealing, which has a glass composition being free of lead and exhibits high performance in the range of choices for the material to be sealed, the sealing processability, the sealing quality and the like, has a glass composition including four types of metal oxides of V2O5, ZnO, BaO and P2O5 as essential ingredients.
    Type: Grant
    Filed: July 8, 2005
    Date of Patent: September 8, 2009
    Assignee: Yamato Electronic Co., Ltd.
    Inventors: Masahiro Yoshida, Yasuo Hatate, Tsugumitsu Sarata, Yoshimitsu Uemura, Tomoyuki Honda
  • Lead-free glass material for use in sealing and, sealed article and method for sealing using the same
    Patent number: 7425518
    Abstract: Provided with a glass composition including a network-former oxide composed of any one of or both of B2O3 and V2O5 of 20-80% by weight, ZnO of 0-60% by weight and BaO of 0-80% by weight, wherein at least one of ZnO and BaO is included as an essential ingredient. The present invention is a glass material for use in sealing, which is of lead-free series, can be used for sealing at a low processing temperature and within a wide temperature range, has a low thermal expansion coefficient, superior adhesion, superior sealing processability, superior adherence, superior chemical stability, superior strength and the like and comprises sufficient practical performance to substitute for lead glass.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: September 16, 2008
    Assignee: Yamato Electronic Co., Ltd.
    Inventors: Masahiro Yoshida, Yasuo Hatate, Tsugumitsu Sarata, Yoshimitsu Uemura, Tomoyuki Honda, Hiroyuki Fukunaga, Masahiro Iwashita
  • LEAD-FREE GLASS MATERIAL FOR USE IN SEALING AND, SEALED ARTICLE AND METHOD FOR SEALING USING THE SAME
    Publication number: 20070191203
    Abstract: Provided with a glass composition including a network-former oxide composed of any one of or both of B2O3 and V2O5 of 20-80% by weight, ZnO of 0-60% by weight and BaO of 0-80% by weight, wherein at least one of ZnO and BaO is included as an essential ingredient. The present invention is a glass material for use in sealing, which is of lead-free series, can be used for sealing at a low processing temperature and within a wide temperature range, has a low thermal expansion coefficient, superior adhesion, superior sealing processability, superior adherence, superior chemical stability, superior strength and the like and comprises sufficient practical performance to substitute for lead glass.
    Type: Application
    Filed: April 18, 2007
    Publication date: August 16, 2007
    Inventors: Masahiro Yoshida, Yasuo Hatate, Tsugumitsu Sarata, Yoshimitsu Uemura, Tomoyuki Honda, Hiroyuki Fukunaga, Masahiro Iwashita
  • LEAD-FREE GLASS MATERIAL FOR USE IN SEALING AND, SEALED ARTICLE AND METHOD FOR SEALING USING THE SAME
    Publication number: 20070184963
    Abstract: Provided with a glass composition including a network-former oxide composed of any one of or both of B2O3 and V2O5 of 20-80% by weight, ZnO of 0-60% by weight and BaO of 0-80% by weight, wherein at least one of ZnO and BaO is included as an essential ingredient. The present invention is a glass material for use in sealing, which is of lead-free series, can be used for sealing at a low processing temperature and within a wide temperature range, has a low thermal expansion coefficient, superior adhesion, superior sealing processability, superior adherence, superior chemical stability, superior strength and the like and comprises sufficient practical performance to substitute for lead glass.
    Type: Application
    Filed: April 18, 2007
    Publication date: August 9, 2007
    Inventors: Masahiro Yoshida, Yasuo Hatate, Tsugumitsu Sarata, Yoshimitsu Uemura, Tomoyuki Honda, Hiroyuki Fukunaga, Masahiro Iwashita
  • Lead-free glass material for use in sealing and, sealed article and method for sealing using the same
    Publication number: 20060003883
    Abstract: A lead-free glass material for use in sealing, which has a glass composition being free of lead and exhibits high performance in the range of choices for the material to be sealed, the sealing processability, the sealing quality and the like, has a glass composition including four types of metal oxides of V2O5, ZnO, BaO and P2O5 as essential ingredients.
    Type: Application
    Filed: July 8, 2005
    Publication date: January 5, 2006
    Inventors: Masahiro Yoshida, Yasuo Hatate, Tsugumitsu Sarata, Yoshimitsu Uemura, Tomoyuki Honda
  • Lead-free glass material for use in sealing and, sealed article and method for sealing using the same
    Publication number: 20050233885
    Abstract: Provided with a glass composition including a network-former oxide composed of any one of or both of B2O3 and V2O5 of 20-80% by weight, ZnO of 0-60% by weight and BaO of 0-80% by weight, wherein at least one of ZnO and BaO is included as an essential ingredient. The present invention is a glass material for use in sealing, which is of lead-free series, can be used for sealing at a low processing temperature and within a wide temperature range, has a low thermal expansion coefficient, superior adhesion, superior sealing processability, superior adherence, superior chemical stability, superior strength and the like and comprises sufficient practical performance to substitute for lead glass.
    Type: Application
    Filed: June 21, 2005
    Publication date: October 20, 2005
    Inventors: Masahiro Yoshida, Yasuo Hatate, Tsugumitsu Sarata, Yoshimitsu Uemura, Tomoyuki Honda, Hiroyuki Fukunaga, Masahiro Iwashita