Patents by Inventor Yoshimitsu Aiiso

Yoshimitsu Aiiso 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).

  • Patent number: 10663622
    Abstract: A plastic polarized lens including a polarized film containing thermoplastic polyester, a coat layer containing a urethane-based resin comprised of a structural unit derived from polybutadiene having a hydroxyl group on the terminal and a structural unit derived from diphenylmethane diisocyanate, which is formed over at least one surface of the polarized film and a substrate layer containing a defined thiourethane-based resin, which is formed over at least the coat layer. A method of producing a plastic polarized lens, a urethane-based resin-coated polarized film and a method of producing a urethane-based resin-coated polarized film are also provided.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: May 26, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Akinori Ryu, Hiroyuki Kamio, Yoshimitsu Aiiso
  • Publication number: 20190170905
    Abstract: A plastic polarized lens including a polarized film containing thermoplastic polyester, a coat layer containing a urethane-based resin comprised of a structural unit derived from polybutadiene having a hydroxyl group on the terminal and a structural unit derived from diphenylmethane diisocyanate, which is formed over at least one surface of the polarized film and a substrate layer containing a defined thiourethane-based resin, which is formed over at least the coat layer. A method of producing a plastic polarized lens, a urethane-based resin-coated polarized film and a method of producing a urethane-based resin-coated polarized film are also provided.
    Type: Application
    Filed: January 24, 2019
    Publication date: June 6, 2019
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Akinori RYU, Hiroyuki KAMIO, Yoshimitsu AIISO
  • Patent number: 10274643
    Abstract: A plastic polarized lens of the present invention, comprising: a polarized film containing thermoplastic polyester, a coat layer containing a urethane-based resin comprised of a structural unit derived from compound having hydroxyl group and a structural unit derived from aromatic diisocyanate, which is formed over at least one surface of the polarized film and a substrate layer containing a thiourethane-based resin, which is formed over at least the coat layer of the coat layer-attached polarized film.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: April 30, 2019
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Akinori Ryu, Hiroyuki Kamio, Yoshimitsu Aiiso
  • Publication number: 20190061226
    Abstract: The method of the present invention for producing a shaped film includes a step of arranging a thermoplastic resin film to divide a space into a first space located on one surface side of the film, and a second space located on the other surface side, a step of heating the thermoplastic resin film, a step of curving the thermoplastic resin film in one space by using a difference in pressure between the first space and the second space, a step of stopping the curving step of the thermoplastic resin film in a state where at least a convex curved surface of both surfaces of the film is exposed into the space, and a step of cooling the curved film.
    Type: Application
    Filed: February 24, 2017
    Publication date: February 28, 2019
    Applicants: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.
    Inventors: Hiroyuki KAMIO, Yoshimitsu AIISO
  • Publication number: 20150276986
    Abstract: A plastic polarized lens of the present invention, comprising: a polarized film containing thermoplastic polyester, a coat layer containing a urethane-based resin comprised of a structural unit derived from compound having hydroxyl group and a structural unit derived from aromatic diisocyanate, which is formed over at least one surface of the polarized film and a substrate layer containing a thiourethane-based resin, which is formed over at least the coat layer of the coat layer-attached polarized film.
    Type: Application
    Filed: May 22, 2015
    Publication date: October 1, 2015
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Akinori RYU, Hiroyuki KAMIO, Yoshimitsu AIISO
  • Patent number: 9086531
    Abstract: The plastic polarized lens (10) of the present invention contains a polarized film (12) and layers (resin layers) (14a and 14b) comprising a thiourethane-based resin stacked over both surfaces of the polarized film (12), and the polarized film contains an organic coloring compound represented by the following general formula (1).
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: July 21, 2015
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Akinori Ryu, Seiichi Kobayashi, Hiroyuki Kamio, Yoshiharu Kobayashi, Mitsuru Sakai, Yoshimitsu Aiiso
  • Publication number: 20130242393
    Abstract: A plastic polarized lens of the present invention, comprising: a polarized film containing thermoplastic polyester, a coat layer containing a urethane-based resin comprised of a structural unit derived from compound having hydroxyl group and a structural unit derived from aromatic diisocyanate, which is formed over at least one surface of the polarized film and a substrate layer containing a thiourethane-based resin, which is formed over at least the coat layer of the coat layer-attached polarized film.
    Type: Application
    Filed: March 5, 2013
    Publication date: September 19, 2013
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Akinori RYU, Hiroyuki KAMIO, Yoshimitsu AIISO
  • Patent number: 8496859
    Abstract: A method of producing a plastic polarized lens with excellent processability and the like by injecting a mixture of a specified isocyanate compound and a specified active hydrogen compound into a lens-forming mold wherein a polarized film containing a thermoplastic polyester is fixed, followed by polymerization and curing.
    Type: Grant
    Filed: May 17, 2011
    Date of Patent: July 30, 2013
    Assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.
    Inventors: Toru Miura, Yoshimitsu Aiiso
  • Publication number: 20130155507
    Abstract: The plastic polarized lens (10) of the present invention contains a polarized film (12) and layers (resin layers) (14a and 14b) comprising a thiourethane-based resin stacked over both surfaces of the polarized film (12), and the polarized film contains an organic coloring compound represented by the following general formula (1).
    Type: Application
    Filed: August 10, 2011
    Publication date: June 20, 2013
    Applicant: Mitsui Chemicals, Inc.
    Inventors: Akinori Ryu, Seiichi Kobayashi, Hiroyuki Kamio, Yoshiharu Kobayashi, Mitsuru Sakai, Yoshimitsu Aiiso
  • Patent number: 8187712
    Abstract: To provide a plastic polarized lens which is excellent in processability and the like as well as in adhesion property of the polarized film, and a method of producing the same. In the plastic polarized lens of the present invention, layers comprised of thiourethane-based resins obtained by reacting (A) isocyanate compounds with (B) active hydrogen compounds are stacked on both sides of a polarized film comprised of thermoplastic polyester formed under a predetermined temperature condition.
    Type: Grant
    Filed: February 6, 2009
    Date of Patent: May 29, 2012
    Assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.
    Inventors: Akinori Ryu, Seiichi Kobayashi, Yoshimitsu Aiiso
  • Publication number: 20110215493
    Abstract: A method of producing a plastic polarized lens with excellent processability and the like by injecting a mixture of a specified isocyanate compound and a specified active hydrogen compound into a lens-forming mold wherein a polarized film containing a thermoplastic polyester is fixed, followed by polymerization and curing.
    Type: Application
    Filed: May 17, 2011
    Publication date: September 8, 2011
    Applicants: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.
    Inventors: Toru Miura, Yoshimitsu Aiiso
  • Patent number: 7967434
    Abstract: According to the present invention, there are provided a plastic polarized lens with excellent processability and the like, and a method of producing the same. The plastic polarized lens is obtained by injecting a mixture of a specified isocyanate compound and a specified active hydrogen compound into a lens-forming mold wherein a polarized film containing a thermoplastic polyester is fixed, followed by polymerization and curing.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: June 28, 2011
    Assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.
    Inventors: Toru Miura, Yoshimitsu Aiiso
  • Publication number: 20090201584
    Abstract: To provide a plastic polarized lens which is excellent in processability and the like as well as in adhesion property of the polarized film, and a method of producing the same. In the plastic polarized lens of the present invention, layers comprised of thiourethane-based resins obtained by reacting (A) isocyanate compounds with (B) active hydrogen compounds are stacked on both sides of a polarized film comprised of thermoplastic polyester formed under a predetermined temperature condition.
    Type: Application
    Filed: February 6, 2009
    Publication date: August 13, 2009
    Applicants: MITSUI CHEMICALS, INC., HOPNIC LABORATORY CO., LTD.
    Inventors: Akinori RYU, Seiichi Kobayashi, Yoshimitsu Aiiso
  • Patent number: 7506977
    Abstract: A plastic spectacles lens containing an organic dye instead of a neodymium compound and having an optical transmission equivalent to a plastic spectacles lens containing a neodymium compound is provided. The plastic spectacles lens comprises a plastic lens wafer formed from a thermosetting or thermoplastic resin, or the plastic lens wafer and one, or two or more component layers formed on at least one side of the plastic lens wafer, and an organic dye satisfying the specific conditions.
    Type: Grant
    Filed: April 18, 2008
    Date of Patent: March 24, 2009
    Assignee: Hopnic Laboratory Co., Ltd.
    Inventor: Yoshimitsu Aiiso
  • Publication number: 20080036964
    Abstract: According to the present invention, there are provided a plastic polarized lens with excellent processability and the like, and a method of producing the same. The plastic polarized lens is obtained by injecting a mixture of a specified isocyanate compound and a specified active hydrogen compound into a lens-forming mold wherein a polarized film containing a thermoplastic polyester is fixed, followed by polymerization and curing.
    Type: Application
    Filed: August 6, 2007
    Publication date: February 14, 2008
    Applicants: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.
    Inventors: Toru Miura, Yoshimitsu Aiiso