Patents by Inventor Hisakazu Hirano

Hisakazu Hirano 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).

  • Moisture trapping film for EL lamps of the organic dispersion type
    Patent number: 5107175
    Abstract: A moisture trapping film for EL lamps of the organic dispersion type wherein a colorless, transparent adhesive layer having tackiness at room temperature is provided on one side or both sides of a colorless, transparent water-absorbing film.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: April 21, 1992
    Assignees: Sumitomo Bakelite Company Limited, Stanley Electric Co., Ltd.
    Inventors: Hisakazu Hirano, Kiju Mori, Junichi Watanabe, Fumio Kondo