Patents Assigned to Ohta Co., Ltd.
  • Method for making a stencil with a two part adhesive and method of imaging with a thermal head and cleaning solvent
    Patent number: 6000331
    Abstract: A method for making a stencil for screen printing with a thermal head printer and method of using the same for plate making, uses a dot matrix of thermal head which is heated to obtain an image for printing for required letters, drawings and/or patterns by melting. Both watercolor inks and oil inks can be used. This stencil is composed of a polyester film and a diffusion screen substratum which are firmly adhered together by a two-part adhesive agent of unsaturated polyester resin containing amine and polyisocyanate resin.
    Type: Grant
    Filed: September 4, 1997
    Date of Patent: December 14, 1999
    Assignees: Pigment Ota Ohtas Co., Ltd., Japan Digital Screen Co., Ltd.
    Inventor: Yusuke Ota
  • Adjustable hinge
    Patent number: 5245727
    Abstract: An adjustable hinge for pivotally connecting a door member to a receptacle member is disclosed. The hinge comprises a first structure having a pivotal male member; a second structure secured to the receptacle member, the second structure and the first structure being detachably connectable; and a third structure secured to the door member and having a female member with which the male member is latchedly engageable.
    Type: Grant
    Filed: March 27, 1992
    Date of Patent: September 21, 1993
    Assignee: Ohta Co., Ltd.
    Inventor: Yoshito Sasaki