Patents by Inventor Toshiaki Syozi

Toshiaki Syozi 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).

  • Thick-film thermal printing head
    Patent number: 4203025
    Abstract: Glass including 10-60% by weight of at least one metal oxide selected from the group consisting of Al.sub.2 O.sub.3, MgO, ZrO.sub.2, BeO and TiO.sub.2 is formed, as a heat-insulator, on a substrate. Plural pairs of electrodes, each laterally facing to the other, are formed on the glass, heating resistors are formed between the electrodes of each pair, and the electrodes and the resistors are covered by a protective layer formed of glass including 10-40% by weight of at least one metal oxide selected from the group consisting of Al.sub.2 O.sub.3 and BeO to complete a thick-film thermal printing head.
    Type: Grant
    Filed: August 17, 1978
    Date of Patent: May 13, 1980
    Assignee: Hitachi, Ltd.
    Inventors: Mitsuo Nakatani, Takashi Kuroki, Toshiaki Syozi, Yoshiyuki Horibe