Patents by Inventor Fumio Miyata

Fumio Miyata 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).

  • Ink composition
    Patent number: 3945836
    Abstract: An ink composition which comprises an aliphatic hydrocarbon solvent having dissolved therein a resinous binder and a modified dye, said modified dye being a reaction product obtained by reacting a dye having at least one group of --CO.sub.2 M and --SO.sub.3 M in the molecule wherein M is an alkali metal with an organic ammonium compound.
    Type: Grant
    Filed: April 5, 1973
    Date of Patent: March 23, 1976
    Assignee: Sakura Color Products Corporation
    Inventor: Fumio Miyata
  • Ink composition
    Patent number: 3945837
    Abstract: An ink composition which comprises an alicyclic hydrocarbon solvent having dissolved therein a resinous binder and a modified dye, said modified dye being at least one species selected from the group consisting of a reaction product obtained by reacting a dye having at least one group of --CO.sub.2 M and --SO.sub.3 M in the molecule wherein M is an alkali metal with an organic ammonium compound and a reaction product obtained by reacting a basic dye with an acid compound.
    Type: Grant
    Filed: July 12, 1973
    Date of Patent: March 23, 1976
    Assignee: Sakura Color Products Corporation
    Inventors: Fumio Miyata, Yasuji Okuda