Patents by Inventor Hirozoh Imai

Hirozoh Imai 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).

  • Reciprocating type electric shaver
    Patent number: 4428117
    Abstract: A reciprocating type electric shaver comprises an inner-blade mount holding many inner blades and connected to a first driver-element converting rotary motion of a motor into reciprocating motions and an outer blade connected to a second driver-element reciprocated at a mechanical phase reverse to the first driver-element so that the inner blades and outer blade can slidably engage with each other mutually at mechanically reverse phase and the relative momentum of the outer blade with respect to the inner blades can be enlarged.
    Type: Grant
    Filed: June 15, 1982
    Date of Patent: January 31, 1984
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Sadashige Horii, Hirozoh Imai, Tetsuo Hamashima