Patents by Inventor Masashi Hirama

Masashi Hirama 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).

  • Publication number: 20130058824
    Abstract: Provided is a method for producing a decorative sintered metallic article and the same, used in jewelry goods, ornaments, clothing accessories, by combining a copper paste and a silver paste. The method comprises the steps of: producing a patterned piece by alternately arranging the copper paste containing an organic binder and water in 10 to 35 wt % and one or more kinds of copper powders selected from a copper powder and a copper alloy powder, and the silver paste similarly prepared to the copper paste; forming patterned pastes by drawing a pattern through deforming at least rows on the upper surface of the alternately arranged copper and silver pastes; drying the patterned pastes to produce a patterned piece; shaping a decorative object by processing the produced patterned piece; and firing the decorative object to produce a decorative sintered object.
    Type: Application
    Filed: November 4, 2010
    Publication date: March 7, 2013
    Applicant: AIDA CHEMICAL INDUSTRIES CO., LTD.
    Inventors: Masashi Hirama, Hidekazu Yoshihara, Toshie Ito
  • Publication number: 20120164483
    Abstract: Are disclosed a method for producing a decorative metallic article and the decorative metallic article, used in jewelry goods, ornaments, clothing accessories or the like, the decorative metallic article being produced by joining a silver alloy composition for firing which comprises silver or a silver alloy to another composition for firing which comprises copper or a copper alloy.
    Type: Application
    Filed: August 10, 2010
    Publication date: June 28, 2012
    Applicant: Aida Chemical Industries Co., Ltd
    Inventors: Masashi Hirama, Rina Ebihara, Tomoaki Kasukawa, Akiyoshi Yatsugi
  • Publication number: 20120107561
    Abstract: Provided are a method for producing a decorative metallic article with a wood grain metal pattern and the decorative metallic article with the wood grain metal pattern; the decorative metallic article comprising a sintered copper part produced by sintering a plastic copper containing clay compound, and a sintered silver part produced by sintering a plastic silver containing clay compound.
    Type: Application
    Filed: September 27, 2010
    Publication date: May 3, 2012
    Applicant: AIDA CHEMICAL INDUSTRIES CO., LTD
    Inventors: Masashi Hirama, Hidekazu Yoshihara, Ryota Mitsuhashi, Tomoaki Kasukawa, Akiyoshi Yatsugi
  • Publication number: 20120107167
    Abstract: A method for producing a sintered copper article for craft or decorative use made of copper or a copper alloy which can be sintered in the air by using a general heating furnace, and a plastic copper containing clay compound are provided. The method for producing the sintered copper article for craft or decorative use of the present invention comprises the steps of forming a shaped copper object using the copper containing clay compound which includes at least one kind of a powder selected from a copper powder or a copper alloy powder that contains copper in 50 wt % or more together with an organic binder, and subsequently sintering the shaped copper object, thereby to obtain a shaped copper sinter. Herein, the mean particle diameter of the powder included in the copper containing clay compound is restricted to 10 ?m or less, whereby the shaped copper sinter is obtained by sintering the shaped copper object in the air.
    Type: Application
    Filed: August 19, 2010
    Publication date: May 3, 2012
    Applicant: Aida Chemical Industries Co., Ltd.
    Inventors: Tomoaki Kasukawa, Akiyoshi Yatsugi, Masashi Hirama, Hidekazu Yoshihara, Ryota Mitsuhashi
  • Publication number: 20120100393
    Abstract: Provided are a method for producing a decorative metallic article having a wood grain metal pattern and the decorative metallic article having the wood grain metal pattern; the decorative metallic article comprising a sintered copper part produced by sintering a plastic copper containing clay compound, and a sintered silver part produced by sintering a plastic silver containing clay compound.
    Type: Application
    Filed: August 19, 2010
    Publication date: April 26, 2012
    Applicant: Aida Chemical Industries Co., Ltd.
    Inventors: Masashi Hirama, Hidekazu Yoshihara, Ryota Mitsuhashi, Tomoaki Kasukawa, Akiyoshi Yatsugi