Patents by Inventor Akito KAWANAMI

Akito KAWANAMI 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).

  • Laminated reflective film having reduced alkali metal or alkaline earth metal to polyvinyl alcohol resin ratio
    Patent number: 10067275
    Abstract: To provide a laminated reflective film having excellent discoloration resistance and adhesion between refractive index layers. A laminated reflective film including a substrate and a reflective layer including a high refractive index layer and a low refractive index layer disposed on the substrate, wherein at least one of the high refractive index layer and the low refractive index layer includes a polyvinyl alcohol resin, metal oxide particles, and a first metal ion formed of an alkali metal ion and/or an alkaline earth metal ion, and the content ratio of the first metal ion represented by the following Formula (1): content ? ? ratio ? ? of ? ? first ? ? metal ? ? ion = content ? ? of ? ? first ? ? metal ? ? ion content ? ? of ? ? polyvinyl ? ? alcohol ? ? resin × 100 ( 1 ) is 1.25 or less.
    Type: Grant
    Filed: July 2, 2014
    Date of Patent: September 4, 2018
    Assignee: KONICA MINOLTA, INC.
    Inventor: Akito Kawanami
  • LAMINATED REFLECTIVE FILM, METHOD FOR MANUFACTURING THE SAME, AND INFRARED SHIELDING BODY INCLUDING THE SAME
    Publication number: 20160178818
    Abstract: To provide a laminated reflective film having excellent discoloration resistance and adhesion between refractive index layers. A laminated reflective film including a substrate and a reflective layer including a high refractive index layer and a low refractive index layer disposed on the substrate, wherein at least one of the high refractive index layer and the low refractive index layer includes a polyvinyl alcohol resin, metal oxide particles, and a first metal ion formed of an alkali metal ion and/or an alkaline earth metal ion, and the content ratio of the first metal ion represented by the following Formula (1): content ? ? ratio ? ? of ? ? first ? ? metal ? ? ion = content ? ? of ? ? first ? ? metal ? ? ion content ? ? of ? ? polyvinyl ? ? alcohol ? ? resin × 100 ( 1 ) is 1.25 or less.
    Type: Application
    Filed: July 2, 2014
    Publication date: June 23, 2016
    Inventor: Akito KAWANAMI