Patents by Inventor Eiichi Takama

Eiichi Takama 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).

  • Pressure sensitive adhesive composition and sheet, and adhered article
    Patent number: 7160960
    Abstract: An acryl-based solvent-type pressure sensitive adhesive composition comprising a base component containing a solvent soluble acryl-based polymer, a cross-linking agent, and acetyl acetone, is disclosed.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: January 9, 2007
    Assignee: Toyo Ink Manufacturing Co., Ltd.
    Inventors: Hiroyuki Ilda, Eiichi Takama
  • Pressure sensitive adhesive composition and sheet, and adhered article
    Publication number: 20050165146
    Abstract: An acryl-based solvent-type pressure sensitive adhesive composition comprising a base component containing a solvent soluble acryl-based polymer, a cross-linking agent, and acetyl acetone, is disclosed.
    Type: Application
    Filed: February 18, 2005
    Publication date: July 28, 2005
    Applicant: TOYO INK MANUFACTURING CO., LTD.
    Inventors: Hiroyuki Ilda, Eiichi Takama
  • Method for preparing a pigment composition
    Patent number: 4260424
    Abstract: A method for preparing a resinous pigment composition is disclosed which method includes charging pigment, water and water-insoluble resin which is solid at room temperature into a mill containing a dispersing medium and milling the charge at a temperature below the softening point of the resin to reduce the pigment to a fine powder and to disperse it uniformly throughout the resin.
    Type: Grant
    Filed: August 17, 1979
    Date of Patent: April 7, 1981
    Assignee: Toyo Ink Manufacturing Co., Ltd.
    Inventors: Naoji Mizoguchi, Eiichi Takama, Kazuo Kaneko