Patents by Inventor Kenichi Hiraoka

Kenichi Hiraoka 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).

  • Process for treating fresh fish
    Patent number: 7108874
    Abstract: The present invention provides a process for treating living fish having an improved meat quality or an elongated period of tasting time, or providing internal organs having an improved quality. According to the present invention, living fish are kept alive in an aqueous alkali solution and then washed with water or neutralized.
    Type: Grant
    Filed: July 11, 2003
    Date of Patent: September 19, 2006
    Assignee: Japan-Techno, Inc.
    Inventors: Yukie Hiraoka, legal representative, Shinya Hiraoka, legal representative, Tomomi Hiraoka, legal representative, Kenichi Hiraoka, deceased
  • Method of preventing browning or darkening of fish and method of treating browned or darkened fish
    Patent number: 6875457
    Abstract: The present invention relates a method of preventing the browning or darkening in fish so as to provide fish having color which is the same as that of the freshly caught fish. The present invention also relates to a method of preparing food from such fish.
    Type: Grant
    Filed: April 11, 2000
    Date of Patent: April 5, 2005
    Inventor: Kenichi Hiraoka
  • Process for treating fresh fish
    Publication number: 20040121064
    Abstract: The present invention provides a process for treating living fish having an improved meat quality or an elongated period of tasting time, or providing internal organs having an improved quality. According to the present invention, living fish is kept alive in an aqueous alkali solution and then washed with water or neutralized.
    Type: Application
    Filed: July 11, 2003
    Publication date: June 24, 2004
    Applicant: JAPANTECHNO LTD., CO.
    Inventors: Kenichi Hiraoka, Yukie Hiraoka, Shinya Hiraoka, Tomomi Hiraoka
  • Fish egg or milt product having extended tasting period
    Publication number: 20040091593
    Abstract: The present invention relates to a process for treating fresh fish eggs including those in the form of ovary or hard roe such as salted roes of salmons or trouts, salted roes divided into the respective eggs, and fresh milt or soft roe. Further, the present invention relates to fresh hard roe and milt products obtained by the process. The present invention also relates to a fresh fish egg or milt product having an extended tasting period or an enhanced commercial value. The present invention also provides hard roes or eggs of salmons or the like caught at a late time or off-season, which have been considered to have no commercial value, as commercially valuable fresh fish egg products. According to the present invention, fresh fish eggs or milt materials may be treated with an aqueous alkali solution and then the aqueous alkali solution may remain on the treated fish eggs or milt.
    Type: Application
    Filed: June 27, 2003
    Publication date: May 13, 2004
    Applicant: JAPANTECHNO LTD., CO.
    Inventors: Kenichi Hiraoka, Yukie Hiraoka, Shinya Hiraoka, Tomomi Hiraoka