Patents by Inventor Toshiki Shirahama

Toshiki Shirahama 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).

  • ORNAMENT AND SILVER MIRROR FILM-FORMING LIQUID
    Publication number: 20220220616
    Abstract: An ornament includes a base material; and a silver particle layer containing silver particles and disposed on the base material, wherein the silver particle layer has surface resistivity of 104?/? or more, and the silver particles are stacked in the silver particle layer in a thickness direction of the silver particle layer.
    Type: Application
    Filed: June 19, 2020
    Publication date: July 14, 2022
    Inventors: Masumi MORIHARA, Masahiro IWANAGA, Toshiki SHIRAHAMA, Hiroaki FUJINO, Hirofumi SHIOKAWA, Kentarou WATANABE, Shingo HANAWA, Yoshihiro TSUDA
  • METHOD FOR RECOVERING SILICON AND METHOD FOR PRODUCING SILICON
    Publication number: 20130001816
    Abstract: A method for recovering or producing silicon, that can recover or produce silicon using cutting scraps containing silicon carbide abrasive grains and silicon as raw materials without separating those is provided. The present invention is a method for recovering or producing silicon from cutting scraps containing silicon carbide, which are produced during a cutting or grinding of silicon ingots or silicon wafers, wherein the method comprises producing silicon by heating the cutting scraps containing silicon carbide, and a silica raw material.
    Type: Application
    Filed: September 11, 2012
    Publication date: January 3, 2013
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Keiji Yamahara, Toshiaki Katayama, Tadashi Hashiguchi, Toshiki Shirahama, Takeshi Sawai