Patents by Inventor Akinori Okayasu

Akinori Okayasu 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).

  • NEAR-INFRARED ABSORPTIVE COLORING MATTER AND NEAR-INFRARED ABSORPTIVE COMPOSITION
    Publication number: 20120251831
    Abstract: An object of the present invention is to provide a near infrared absorbent dye capable of providing a near infrared shielding filter with excellent transparency as well as high heat resistance and hygrothermal resistance. The near infrared absorbent dye is characterized in that it is made of the amorphous form of diimmonium salt represented by formula (1).
    Type: Application
    Filed: December 16, 2010
    Publication date: October 4, 2012
    Applicant: JAPAN CARLIT CO., LTD
    Inventors: Akinori Okayasu, Masaaki Tamura
  • NEAR INFRARED ABSORBENT DYE AND NEAR INFRARED SHIELDING FILTER
    Publication number: 20110315939
    Abstract: A near infrared absorbent dye is provided, having excellent heat resistance and excellent moisture resistance, as is a near infrared shielding filter using the dye. The near infrared absorbent dye contains an association form of a diimmonium salt compound represented by formula (1): wherein R1 to R8 are the same or different and each represents an organic group, and X? represents an anion.
    Type: Application
    Filed: February 18, 2010
    Publication date: December 29, 2011
    Applicant: Japan Carlit Co., Ltd.
    Inventors: Akinori Okayasu, Susumu Yamanobe, Masaaki Tamura, Yoji Yamaguchi