Patents by Inventor Masaru Umai

Masaru Umai 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).

  • Bittern-containing common salt grains and process for preparing the same
    Patent number: 6599565
    Abstract: The invention provides a common salt having the rounded-off savory taste of natural common salt and yet a reduced tendency toward deliquescence and coagulation and a process for producing the same. The invention further provides a method for fractional recovery of freshwater and raw materials for the above common salt from seawater in connection with the production of the same common salt. The common salt of the invention is a bittern-containing granular common salt with each of its grains consisting of a core comprised of a bittern-containing composition optionally containing NaCl and, as covering the grain, a coating layer comprised of a NaCl-containing composition optionally containing CaSO4 or bittern.
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: July 29, 2003
    Assignee: Umai Co., Ltd.
    Inventors: Masaru Umai, Tadaharu Watanabe