Patents by Inventor Kazume Mochizuki

Kazume Mochizuki 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).

  • Prototype aluminum mold for stampers and method for manufacturing same, stamper and method for manufacturing same, method for manufacturing article, and antireflection article
    Patent number: 10295711
    Abstract: A prototype aluminum mold for stampers that is used to manufacture stampers having a fine irregular surface structure on the surface thereof and containing aluminum and magnesium, wherein the content of magnesium is 0.1% by mass to 3% by mass, the content of silicon is 100 ppm by mass or less, the total content of elements other than aluminum and magnesium is 500 ppm by mass or less, and the number of magnesium silicide particles having an equivalent diameter of 10 nm or more on the surface of the prototype aluminum mold for stampers is 10/1000 ?m2 or less.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: May 21, 2019
    Assignees: Mitsubishi Chemical Corporation, Nippon Light Metal Company, Ltd.
    Inventors: Katsuhiro Kojima, Hiroshi Onomoto, Hiroaki Kita, Kota Shirai, Hiroshi Okada, Kazume Mochizuki
  • PROTOTYPE ALUMINUM MOLD FOR STAMPERS AND METHOD FOR MANUFACTURING SAME, STAMPER AND METHOD FOR MANUFACTURING SAME, METHOD FOR MANUFACTURING ARTICLE, AND ANTIREFLECTION ARTICLE
    Publication number: 20150050455
    Abstract: A prototype aluminum mold for stampers that is used to manufacture stampers having a fine irregular surface structure on the surface thereof and containing aluminum and magnesium, wherein the content of magnesium is 0.1% by mass to 3% by mass, the content of silicon is 100 ppm by mass or less, the total content of elements other than aluminum and magnesium is 500 ppm by mass or less, and the number of magnesium silicide particles having an equivalent diameter of 10 nm or more on the surface of the prototype aluminum mold for stampers is 10/1000 ?m2 or less.
    Type: Application
    Filed: March 26, 2013
    Publication date: February 19, 2015
    Inventors: Katsuhiro Kojima, Hiroshi Onomoto, Hiroaki Kita, Kota Shirai, Hiroshi Okada, Kazume Mochizuki