Patents by Inventor Tomio Nabeshima

Tomio Nabeshima 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).

  • Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader therefor
    Patent number: 6688789
    Abstract: An inked ribbon containing a tape-like carrier deposited with a fluorescent composition that contains a fluorescent substance containing at least one of Nd and Yb as an optical active element and, other than this optical active element, at least one oxide of one of Mo and W and an alkaline earth metal, which fluorescent substance is dispersed and retained in an organic binder, wherein the organic binder is a mixture of wax and resin, and wherein the fluorescent substance has an average particle size of not more than 1 micron.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: February 10, 2004
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto, Tomio Nabeshima
  • Neodymium, ytterbium and/or erbium containing organic fluorescent compositions
    Patent number: 6471887
    Abstract: A fluorescent substance of the following general formula: LnxA1−XPO4 wherein Ln represents at least one element selected from the group consisting of Nd, Yb and Er; A represents at least one element selected from the group consisting of Y, La, Gd, Bi, Ce, Lu, In and Tb; and X represents a value within the range of 0.01 to 0.99.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: October 29, 2002
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto, Tomio Nabeshima
  • Fluorescent ink compositions
    Patent number: 6458294
    Abstract: A fluorescent substance of the following general formula: LnXA1-XPO4 wherein Ln represents at least one element selected from the group consisting of Nd, Yb and Er; A represents at least one element selected from the group consisting of Y, La, Gd, Bi, Ce, Lu, In and Tb; and X represents a value within the range of 0.01 to 0.99.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: October 1, 2002
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto, Tomio Nabeshima
  • Particulate fluorescent substance
    Patent number: 6436314
    Abstract: A fluorescent substance of the following general formula: LnXA1−XPO4 wherein Ln represents at least one element selected from the group consisting of Nd, Yb and Er; A represents at least one element selected from the group consisting of Y, La, Gd, Bi, Ce, LU, In and Tb; and X represents a value within the range of 0.01 to 0.99.
    Type: Grant
    Filed: May 16, 2001
    Date of Patent: August 20, 2002
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto, Tomio Nabeshima
  • Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader therefor
    Publication number: 20020043647
    Abstract: A fluorescent substance of the following general formula:
    Type: Application
    Filed: May 16, 2001
    Publication date: April 18, 2002
    Applicant: Hitachi Maxell, Ltd.
    Inventors: Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto, Tomio Nabeshima
  • Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader therefor
    Publication number: 20010035521
    Abstract: A fluorescent substance of the following general formula:
    Type: Application
    Filed: May 16, 2001
    Publication date: November 1, 2001
    Applicant: Hitachi Maxell, Ltd.
    Inventors: Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto, Tomio Nabeshima
  • Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader therefor
    Publication number: 20010032964
    Abstract: A fluorescent substance of the following general formula:
    Type: Application
    Filed: May 16, 2001
    Publication date: October 25, 2001
    Applicant: Hitachi Maxell, Ltd.
    Inventors: Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto, Tomio Nabeshima
  • Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader therefor
    Publication number: 20010031163
    Abstract: A fluorescent substance of the following general formula:
    Type: Application
    Filed: May 16, 2001
    Publication date: October 18, 2001
    Applicant: Hitachi Maxell, Ltd.
    Inventors: Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto, Tomio Nabeshima
  • Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader therefor
    Publication number: 20010030313
    Abstract: A fluorescent substance of the following general formula:
    Type: Application
    Filed: May 16, 2001
    Publication date: October 18, 2001
    Applicant: Hitachi Maxell, Ltd.
    Inventors: Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto, Tomio Nabeshima
  • Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader therefor
    Patent number: 6303929
    Abstract: A mark to be detected containing a fluorescent substance capable of emitting light of a wavelength different from that of an exciting light, containing: a data area formed with a pattern corresponding to data to be recorded; and a lead-in area formed at a site that is scanned prior to irradiation with the exciting light upon the data area, the lead-in area continuing a sufficient length greater than the longest continuous portion of the pattern formed at the data area, and the lead-in area that is formed at the site containing a fluorescent substance.
    Type: Grant
    Filed: March 11, 1999
    Date of Patent: October 16, 2001
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto, Tomio Nabeshima
  • Fluorescent substance, fluorescent composition, fluorescent mark carrier and optical reader thereof
    Patent number: 5932139
    Abstract: A fluorescent substance of the following general formula:Ln.sub.X A.sub.1-X PO.sub.4wherein Ln represents at least one element selected from the group consisting of Nd, Yb and Er; A represents at least one element selected from the group consisting of Y, La, Gd, Bi, Ce, Lu, In and Tb; and X represents a value within the range of 0.01 to 0.99.
    Type: Grant
    Filed: November 17, 1995
    Date of Patent: August 3, 1999
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Toshio Oshima, Yukinori Yamada, Shoji Saibara, Takanori Kamoto, Tomio Nabeshima