Patents by Inventor Masanao Hirose

Masanao Hirose 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).

  • Method and apparatus for the ultrasonic treatment of a dilute alcoholic solution
    Patent number: 4722901
    Abstract: An apparatus for the ultrasonic treatment of dilute alcoholic solution in which a vibrator member placed in a dilute alcoholic solution is subjected to ultrasonic vibrations to produce cavitation in the solution in such a way that alcohol in the solution is vaporized and collected in a high concentration. The alcohol may be readily converted into a corresponding aldehyde.
    Type: Grant
    Filed: May 2, 1986
    Date of Patent: February 2, 1988
    Inventor: Masanao Hirose
  • Method for the ultrasonic treatment of a dilute alcoholic solution
    Patent number: 4599459
    Abstract: A method for the ultrasonic treatment of dilute alcoholic solution in which a vibrator member placed in a dilute alcoholic solution is subjected to ultrasonic vibrations to produce cavitation in the solution in such a way that alcohol in the solution is vaporized and collected in a high concentration. The alcohol may be readily converted into a corresponding aldehyde.
    Type: Grant
    Filed: August 31, 1984
    Date of Patent: July 8, 1986
    Inventor: Masanao Hirose
  • Wristwatch and pulse rate monitor
    Patent number: D366425
    Type: Grant
    Filed: November 7, 1994
    Date of Patent: January 23, 1996
    Assignee: Seiko Epson Corporation
    Inventor: Masanao Hirose
  • Head mount display
    Patent number: D417447
    Type: Grant
    Filed: April 6, 1998
    Date of Patent: December 7, 1999
    Assignee: Seiko Epson Corporation
    Inventors: Masanao Hirose, Kenji Tanikawa