Patents by Inventor Kazumichi Haraguchi

Kazumichi Haraguchi 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 absorbing composition for solid-state imaging device and filter
    Patent number: 10858519
    Abstract: A near-infrared absorbing composition including a near-infrared absorbing dye [A], a resin-based dispersant [B1] having an amine value in the range from 20 to 200 (mg KOH/g), and a binder resin [C] having a weight average molecular weight in the range from 5,000 to 40,000 and an acid value of 130 mg KOH/g or less.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: December 8, 2020
    Assignees: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD., TOPPAN PRINTING CO., LTD
    Inventors: Kazumichi Haraguchi, Kazunori Yamada, Masahiro Kubo, Koichi Minato
  • NEAR-INFRARED ABSORBING COMPOSITION FOR SOLID-STATE IMAGING DEVICE AND FILTER
    Publication number: 20180319989
    Abstract: A near-infrared absorbing composition including a near-infrared absorbing dye [A], a resin-based dispersant [B1] having an amine value in the range from 20 to 200 (mg KOH/g), and a binder resin [C] having a weight average molecular weight in the range from 5,000 to 40,000 and an acid value of 130 mg KOH/g or less.
    Type: Application
    Filed: July 12, 2018
    Publication date: November 8, 2018
    Applicants: TOYO INK SC HOLDINGS CO., LTD., TOYOCOLOR CO., LTD., TOPPAN PRINTING CO.,LTD
    Inventors: Kazumichi Haraguchi, Kazunori Yamada, Masahiro Kubo, Koichi Minato