Patents by Inventor Chikashi Ohsakama

Chikashi Ohsakama 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).

  • Thermal transfer printer and ink ribbon cassette for use in transfer printer
    Patent number: 5494362
    Abstract: A ribbon cassette of which the type of ink ribbon accommodated in the ribbon cassette may be identified by diagonally-arranged detection switches arranged on the carriage of a thermal transfer printer, without using a plurality of types of ribbon cassette case which are different in shape.
    Type: Grant
    Filed: April 12, 1994
    Date of Patent: February 27, 1996
    Assignee: Alps Electric Co., Ltd.
    Inventors: Hiroshi Kobayashi, Ikuo Hibino, Takahito Maruyama, Fumihisa Hori, Tadashi Nakamura, Takanobu Matsuura, Chikashi Ohsakama
  • Ink ribbon cassette for use in transfer printer
    Patent number: 5466076
    Abstract: A ribbon cassette of which the type of ink ribbon accommodated in the ribbon cassette may be identified by detection switches arranged on the carriage of a thermal transfer printer, without using a plurality of types of ribbon cassette case which are different in shape. A ribbon cassette in which a simple construction is used to prevent sticking to each other of the ink ribbon and the guide roller immediately after printing. A ribbon cassette by which a stain on the recording sheet due to contact between the sheet and the ink ribbon at the time of printing operation may be prevented and the stability of running of the ink ribbon is improved. A thermal transfer printer in which: the stability of running of the ink ribbon may be improved; both hot peeling printing and cold peeling printing are possible in an excellent condition; and the consumption of the ink ribbon may be reduced.
    Type: Grant
    Filed: March 9, 1994
    Date of Patent: November 14, 1995
    Assignee: Alps Electric Co., Ltd.
    Inventors: Hiroshi Kobayashi, Ikuo Hibino, Takahito Maruyama, Fumihisa Hori, Tadashi Nakamura, Takanobu Matsuura, Chikashi Ohsakama
  • Thermal transfer printer with ink ribbon feed controller
    Patent number: 5429443
    Abstract: A ribbon cassette of which the type of ink ribbon accommodated in the ribbon cassette may be identified by detection switches arranged on the carriage of a thermal transfer printer, without using a plurality of types of ribbon cassette case which are different in shape. A ribbon cassette in which a simple construction is used to prevent sticking to each other of the ink ribbon and the guide roller immediately after printing. A ribbon cassette by which a stain on the recording sheet due to contact between the sheet and the ink ribbon at the time of printing operation may be prevented and the stability of running of the ink ribbon is improved. A thermal transfer printer in which: the stability of running of the ink ribbon may be improved; both hot peeling printing and cold peeling printing are possible in an excellent condition; and the consumption of the, ink ribbon may be reduced.
    Type: Grant
    Filed: March 31, 1993
    Date of Patent: July 4, 1995
    Assignee: Alp Electric Co., Ltd.
    Inventors: Hiroshi Kobayashi, Ikuo Hibino, Takahito Maruyama, Fumihisa Hori, Tadashi Nakamura, Takanobu Matsuura, Chikashi Ohsakama