Patents by Inventor Tsuneo Umezawa

Tsuneo Umezawa 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).

  • Patent number: 4741066
    Abstract: The invention relates to a brush which comprises a handle portion, a base portion formed with recesses for holding filaments or bristles, an insert which acts as holding means for holding the filaments or bristles in the recesses, and filaments or bristles held in the recesses by the insert. According to the invention, the base portion of the brush, and possible also the handle portion, is formed of a particular plastic which permits the insert which holds the filaments or bristles to press into the sides of the recesses with considerable pressure without cracking the sides so as to permit better holding of the filaments or bristles in the brush base.
    Type: Grant
    Filed: August 6, 1986
    Date of Patent: May 3, 1988
    Assignee: Lion Corporation
    Inventors: Ryu Ito, Akiyoshi Umebara, Tsuneo Umezawa
  • Patent number: 4378597
    Abstract: A record cleaning device comprises a container body for receiving therein an adhesive material to be applied onto a surface of a record for cleaning, a slit formed in the bottom of the container body, an arm member attached to an end of the container body to be integrally formed therewith, and positioning means provided at an end of the arm member. The positioning means is located in the center of the record to be cleaned so that the container body can be rotated over the record. The cleaning device is further provided with support means situated on at least one of the bottom face of the container body and the bottom face of the arm member to form a clearance between the bottom of the slit and an upper surface of the record to be cleaned when the cleaning device is located on the record. Consequently, when the container body is turned over the record, the adhesive material can be applied uniformly onto the upper surface of the record through the slit and the clearance.
    Type: Grant
    Filed: November 12, 1980
    Date of Patent: March 29, 1983
    Assignee: Lion Corporation
    Inventors: Tatsuhiko Tsutsui, Toru Sema, Tsuneo Umezawa