Patents by Inventor Janak A Mistry

Janak A Mistry 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).

  • Method for determining a cut for a gemstone
    Patent number: 9311435
    Abstract: Method for determining a cut for a gemstone, comprising selecting a generic shape for the cut; selecting a plurality of cut designs of a group of cut designs having the selected generic shape; simulating a number of optical metrics for the plurality of cut designs using simulation models having modeling coefficients; selecting one or more cut designs of the plurality of cut designs based on the simulated optical metrics; varying the geometry parameters for each selected cut design within a range, simulating a number of optical metrics for said range of geometry parameters, and determining an optimized cut design having optimized geometry parameters based on the simulated number of optical metrics for said range; cutting and polishing of the gemstone using the optimized cut design having the optimized geometry parameters; analyzing the visual appearance of the polished gemstone; changing or adapting the simulation models and/or the modeling coefficients thereof and/or the range for varying the geometry paramet
    Type: Grant
    Filed: March 20, 2012
    Date of Patent: April 12, 2016
    Assignee: OCTONUS DIA-TECH PRIVATE LTD.
    Inventors: Garry Holloway, Janak A. Mistry, Roman Sergeevich Serov, Sergey Borisovich Sivovolenko, Yuri Borisovich Shelementiev, Alexander Viktorovich Medvedev
  • METHOD FOR DETERMINING A CUT FOR A GEMSTONE
    Publication number: 20140033765
    Abstract: Method for determining a cut for a gemstone, comprising selecting a generic shape for the cut; selecting a plurality of cut designs of a group of cut designs having the selected generic shape; simulating a number of optical metrics for the plurality of cut designs using simulation models having modeling coefficients; selecting one or more cut designs of the plurality of cut designs based on the simulated optical metrics; varying the geometry parameters for each selected cut design within a range, simulating a number of optical metrics for said range of geometry parameters, and determining an optimized cut design having optimized geometry parameters based on the simulated number of optical metrics for said range; cutting and polishing of the gemstone using the optimized cut design having the optimized geometry parameters; analyzing the visual appearance of the polished gemstone; changing or adapting the simulation models and/or the modeling coefficients thereof and/or the range for varying the geometry paramet
    Type: Application
    Filed: March 20, 2012
    Publication date: February 6, 2014
    Applicant: OCTONUS DIA-TECH PRIVATE LTD.
    Inventors: Garry Holloway, Janak A. Mistry, Roman Sergeevich Serov, Sergey Borisovich Sivovolenko, Yuri Borisovich Shelementiev, Alexander Viktorovich Medvedev
  • Gemstone
    Patent number: D665698
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: August 21, 2012
    Assignee: K.P. Sanghvi International Ltd
    Inventors: Janak A Mistry, Samir Babulal Sanghvi
  • Gemstone
    Patent number: D704092
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: May 6, 2014
    Assignee: OctoNus Dia-Tech Private Ltd.
    Inventors: Garry Holloway, Janak A. Mistry, Roman Sergeevich Serov, Sergey Borisovich Sivovolenko, Yuri Borisovich Shelementiev, Alexander Viktorovich Medvedev
  • Gemstone
    Patent number: D768532
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: October 11, 2016
    Assignee: OctoNus Dia-Tech Private Ltd.
    Inventors: Garry Holloway, Janak A. Mistry, Roman Sergeevich Serov, Sergey Borisovich Sivovolenko, Yuri Borisovich Shelementiev, Alexander Viktorovich Medvedev