Patents by Inventor Yoya Fukuda

Yoya Fukuda 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).

  • CASTING SIMULATION METHOD
    Publication number: 20180001380
    Abstract: Provided is a casting simulation method capable of expressing influence of different inelastic strains produced at different temperatures on strain hardenability at room temperature.
    Type: Application
    Filed: January 21, 2016
    Publication date: January 4, 2018
    Applicant: National Institute of Advanced Industrial Science and Technology
    Inventors: Makoto YOSHIDA, Yuichi MOTOYAMA, Toshimitsu OKANE, Yoya FUKUDA
  • Molding sand for three dimensional laminate molding
    Patent number: 9796015
    Abstract: According to the invention, by setting the linear thermal expansion amount when a mold made of a molding sand is heated from a room temperature to 1000° C. to be not more than 0.9%, and the ratio (D/d) between the diameter of a slump (D) and the diameter of a slump cone (d) in a slump test of the molding sand having a hardening agent kneaded to be not less than 1.65, a molding sand preferable for use in a mold produced using the self-hardening type of three dimensional laminate molding sand mold, having low thermal expansibility preventing occurrence of a veining defect, and capable of forming a large and complicated shape can be obtained.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: October 24, 2017
    Assignee: Kimura Chuzosho Co., Ltd.
    Inventors: Yoya Fukuda, Kenichi Hayashi, Takashi Komai, Yusuke Urushibata, Yusuke Tomita
  • MOLDING SAND FOR THREE DIMENSIONAL LAMINATE MOLDING
    Publication number: 20140224152
    Abstract: According to the invention, by setting the linear thermal expansion amount when a mold made of a molding sand is heated from a room temperature to 1000° C. to be not more than 0.9%, and the ratio (D/d) between the diameter of a slump (D) and the diameter of a slump cone (d) in a slump test of the molding sand having a hardening agent kneaded to be not less than 1.65, a molding sand preferable for use in a mold produced using the self-hardening type of three dimensional laminate molding sand mold, having low thermal expansibility preventing occurrence of a veining defect, and capable of forming a large and complicated shape can be obtained.
    Type: Application
    Filed: September 10, 2012
    Publication date: August 14, 2014
    Applicant: KIMURA CHUZOSHO CO., LTD.
    Inventors: Yoya Fukuda, Kenichi Hayashi, Takashi Komai, Yusuke Urushibata, Yusuke Tomita
  • Transformable metal surface hardening method
    Patent number: 8286455
    Abstract: A method of metal surface hardening treatment inducing transformation, in which transformation is induced in a surface interior of material as hardening treatment object by simple, rapid treatment utilizing a frictional heat under pressure without the occurrence of melt loss, quench crack, soft spot, deformation, etc. to thereby reform the structure of surface interior of material as hardening treatment object into a miniaturized martensitic structure.
    Type: Grant
    Filed: January 15, 2007
    Date of Patent: October 16, 2012
    Assignees: Osaka University, Kimura Chuosho Co., Ltd.
    Inventors: Hidetoshi Fujii, Yasufumi Yamaguchi, Toshitake Kanno, Yoya Fukuda
  • TRANSFORMABLE METAL SURFACE HARDENING METHOD
    Publication number: 20090056404
    Abstract: A method of metal surface hardening treatment inducing transformation, in which transformation is induced in a surface interior of material as hardening treatment object by simple, rapid treatment utilizing a frictional heat under pressure without the occurrence of melt loss, quench crack, soft spot, deformation, etc. to thereby reform the structure of surface interior of material as hardening treatment object into a miniaturized martensitic structure.
    Type: Application
    Filed: January 15, 2007
    Publication date: March 5, 2009
    Applicants: OSAKA UNIVERSITY, KIMURA CHUZOSHO CO., LTD.
    Inventors: Hidetoshi Fujii, Yasufumi Yamaguchi, Toshitake Kanno, Yoya Fukuda