Patents by Inventor Kiichi Ohkubo

Kiichi Ohkubo 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).

  • Liquid crystal element and cell for liquid crystal element
    Patent number: 9146444
    Abstract: Provided is a liquid crystal element in which the liquid crystal layer shows less thickness variation. A spacer 12 includes a first spacer 12a, a second spacer 12b made of resin, and a third space 12c made of resin. The first spacer 12a is formed of an annular glass or metal sheet in which an opening 12a1 constituting an interior space 18 is formed. The second spacer 12b has a smaller thickness than the first spacer 12a. The third spacer 12c has a smaller thickness than the first spacer 12a. An opening 12b2, 12c2 connected to the opening 12a1 in the first spacer 12a and constituting an inlet 17 is formed in at least one of the second and third spacers 12b, 12c.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: September 29, 2015
    Assignee: Nippon Electric Glass Co., Ltd.
    Inventors: Masanori Wada, Takasi Akimoto, Kiichi Ohkubo
  • LIQUID CRYSTAL ELEMENT AND CELL FOR LIQUID CRYSTAL ELEMENT
    Publication number: 20140347619
    Abstract: Provided is a liquid crystal element in which the liquid crystal layer shows less thickness variation. A spacer 12 includes a first spacer 12a, a second spacer 12b made of resin, and a third space 12c made of resin. The first spacer 12a is formed of an annular glass or metal sheet in which an opening 12a1 constituting an interior space 18 is formed. The second spacer 12b has a smaller thickness than the first spacer 12a. The third spacer 12c has a smaller thickness than the first spacer 12a. An opening 12b2, 12c2 connected to the opening 12a1 in the first spacer 12a and constituting an inlet 17 is formed in at least one of the second and third spacers 12b, 12c.
    Type: Application
    Filed: September 10, 2012
    Publication date: November 27, 2014
    Applicant: NIPPON ELECTRIC GLASS CO., LTD.
    Inventors: Masanori Wada, Takasi Akimoto, Kiichi Ohkubo