Patents by Inventor Takehiko Harasawa

Takehiko Harasawa 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).

  • Publication number: 20250018697
    Abstract: Provided are a laminate including a first resin layer, an inorganic layer, and a second resin layer, in which a mixed layer is provided between the first resin layer and the inorganic layer and between the second resin layer and the inorganic layer; and a manufacturing method of a laminate.
    Type: Application
    Filed: September 18, 2024
    Publication date: January 16, 2025
    Applicant: FUJIFILM Corporation
    Inventors: Yoshihiko MOCHIZUKI, Satoshi NAGANO, Takehiko HARASAWA, Tomokazu SEKI
  • Publication number: 20240288678
    Abstract: An object is to provide an exposure method and an exposure device for obtaining a photo-alignment film where the accuracy of an alignment pattern is high, and a method of forming an optically-anisotropic layer. In a case where linearly polarized light is focused in a ring shape with an optical member and a film including a compound having a photo-aligned group is exposed, while rotating a polarization direction of the polarized light, the film and the optical member are relatively moved in a direction tilted with respect to an optical axis of the optical member.
    Type: Application
    Filed: April 23, 2024
    Publication date: August 29, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Hirotoshi ANDO, Takehiko HARASAWA, Satoshi NAGANO, Yasuhiro SEKIZAWA
  • Publication number: 20240248405
    Abstract: Provided is an exposure method and an exposure device for obtaining a photo-alignment film where the accuracy of an alignment pattern is high, and a method of manufacturing an optically-anisotropic layer. Provided is an exposure method in which linearly polarized light is focused in a ring shape with an optical member to expose a film including a compound having a photo-aligned group, the method including: an exposure step of relatively moving the film and the optical member in an optical axis direction of the optical member while rotating a polarization direction of the linearly polarized light.
    Type: Application
    Filed: April 8, 2024
    Publication date: July 25, 2024
    Applicant: FUJIFILM Corporation
    Inventors: Hirotoshi ANDO, Takehiko HARASAWA, Satoshi NAGANO, Yasuhiro SEKIZAWA
  • Publication number: 20120219721
    Abstract: Method of producing a film having a particle-containing layer, comprising the steps of: preparing a coating fluid in a tank, the coating fluid containing particles; conveying the coating fluid from the tank, discharging the coating fluid, and supplying the coating fluid to a supply port of a coating head including a manifold and a slot, the manifold having the supply port and a discharge port; supplying the coating fluid from the slot of the coating head to a continuously-running support; and suctioning part of the coating fluid from the discharge port of the manifold of the coating head by using a reciprocating pump including a non-return valve and discharging a pulsating flow from the reciprocating pump, wherein pressure adjustment is made so that a pressure on a discharge side of the reciprocating pump is always higher than a pressure on a suction side.
    Type: Application
    Filed: February 27, 2012
    Publication date: August 30, 2012
    Inventors: Kenichi Yasuda, Takehiko Harasawa, Atsushi Osao, Tomohiro Kudo