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).
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Patent number: 11524443Abstract: 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: GrantFiled: February 24, 2017Date of Patent: December 13, 2022Assignees: MITSUI CHEMICALS, INC., HOPNIC LABORATORY CO., LTD.Inventors: Hiroyuki Kamio, Yoshimitsu Aiiso
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Publication number: 20220112406Abstract: A functional layer with an adhesive layer of the present invention includes a functional layer and a curable adhesive layer AD2 arranged over at least apart of a surface of the functional layer, in which the curable adhesive layer AD2 satisfies all the following requirements (1) and (2). (1) In a case where 32 g of a steel ball is placed on an adhesive surface of the curable adhesive layer AD2 at 25° C. and kept as it is for 10 seconds, and then a glass plate is slowly tilted, the steel ball starts to roll at an angle of 5° or less. (2) After being cured at 90° C. for 2 hours, the curable adhesive layer AD2 satisfies a ratio (b/a) of a plastic deformation amount b to an elastic deformation amount a of 0.01 to 100 at 25° C. under a load of 0.1 mN.Type: ApplicationFiled: September 26, 2019Publication date: April 14, 2022Applicants: MITSUI CHEMICALS, INC., Hopnic Laboratory Co., Ltd.Inventors: Hiroyuki KAMIO, Yoshimitsu AIISO, Hideki IMAMURA
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Publication number: 20210041599Abstract: The plastic polarizing lens of the present invention includes a polarizing film comprised of a thermoplastic resin; a first resin substrate composed of at least one layer stacked over a surface of the polarizing film which is located on an object-facing surface side; and a second resin substrate composed of at least one layer stacked over a surface of the polarizing film which is located on an eye-facing surface side, in which an organic colorant compound is included in at least one layer constituting the first resin substrate out of the first resin substrate and the second resin substrate, and the concentration of the organic colorant compound in the first resin substrate is higher than the concentration of the organic colorant compound in the second resin substrate.Type: ApplicationFiled: April 1, 2019Publication date: February 11, 2021Applicants: HOPNIC LABORATORY CO., LTD., MITSUI CHEMICALS, INC.Inventor: Yoshimitsu AIISO
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Patent number: 10899094Abstract: A method of manufacturing a plastic lens includes: a step of putting a first curable composition over a forming surface of a first mold substrate having the forming surface for forming a lens surface; a step of spreading the first curable composition over the entire forming surface by pressing the composition with a film to form a first curable composition layer and separating the film from the first mold substrate by a predetermined distance through the formed first curable composition layer; a step of covering defined surfaces; a step of injecting a second curable composition into a defined location; a step of curing the first curable composition layer and the injected second curable composition; and a step of removing to obtain a plastic lens.Type: GrantFiled: January 14, 2016Date of Patent: January 26, 2021Assignees: HOPNIC LABORATORY CO., LTD., MITSUI CHEMICALS, INC.Inventor: Yoshimitsu Aiiso
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Patent number: 10663622Abstract: 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: GrantFiled: January 24, 2019Date of Patent: May 26, 2020Assignee: MITSUI CHEMICALS, INC.Inventors: Akinori Ryu, Hiroyuki Kamio, Yoshimitsu Aiiso
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Publication number: 20190170905Abstract: 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: ApplicationFiled: January 24, 2019Publication date: June 6, 2019Applicant: Mitsui Chemicals, Inc.Inventors: Akinori RYU, Hiroyuki KAMIO, Yoshimitsu AIISO
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Patent number: 10274643Abstract: 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: GrantFiled: May 22, 2015Date of Patent: April 30, 2019Assignee: MITSUI CHEMICALS, INC.Inventors: Akinori Ryu, Hiroyuki Kamio, Yoshimitsu Aiiso
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Publication number: 20190061226Abstract: 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: ApplicationFiled: February 24, 2017Publication date: February 28, 2019Applicants: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.Inventors: Hiroyuki KAMIO, Yoshimitsu AIISO
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Publication number: 20150276986Abstract: 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: ApplicationFiled: May 22, 2015Publication date: October 1, 2015Applicant: MITSUI CHEMICALS, INC.Inventors: Akinori RYU, Hiroyuki KAMIO, Yoshimitsu AIISO
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Patent number: 9086531Abstract: 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: GrantFiled: August 10, 2011Date of Patent: July 21, 2015Assignee: MITSUI CHEMICALS, INC.Inventors: Akinori Ryu, Seiichi Kobayashi, Hiroyuki Kamio, Yoshiharu Kobayashi, Mitsuru Sakai, Yoshimitsu Aiiso
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Publication number: 20130242393Abstract: 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: ApplicationFiled: March 5, 2013Publication date: September 19, 2013Applicant: Mitsui Chemicals, Inc.Inventors: Akinori RYU, Hiroyuki KAMIO, Yoshimitsu AIISO
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Patent number: 8496859Abstract: 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: GrantFiled: May 17, 2011Date of Patent: July 30, 2013Assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.Inventors: Toru Miura, Yoshimitsu Aiiso
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Publication number: 20130155507Abstract: 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: ApplicationFiled: August 10, 2011Publication date: June 20, 2013Applicant: Mitsui Chemicals, Inc.Inventors: Akinori Ryu, Seiichi Kobayashi, Hiroyuki Kamio, Yoshiharu Kobayashi, Mitsuru Sakai, Yoshimitsu Aiiso
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Patent number: 8187712Abstract: 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: GrantFiled: February 6, 2009Date of Patent: May 29, 2012Assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.Inventors: Akinori Ryu, Seiichi Kobayashi, Yoshimitsu Aiiso
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Publication number: 20110215493Abstract: 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: ApplicationFiled: May 17, 2011Publication date: September 8, 2011Applicants: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.Inventors: Toru Miura, Yoshimitsu Aiiso
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Patent number: 7967434Abstract: 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: GrantFiled: August 6, 2007Date of Patent: June 28, 2011Assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.Inventors: Toru Miura, Yoshimitsu Aiiso
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Publication number: 20090201584Abstract: 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: ApplicationFiled: February 6, 2009Publication date: August 13, 2009Applicants: MITSUI CHEMICALS, INC., HOPNIC LABORATORY CO., LTD.Inventors: Akinori RYU, Seiichi Kobayashi, Yoshimitsu Aiiso
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Patent number: 7506977Abstract: 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: GrantFiled: April 18, 2008Date of Patent: March 24, 2009Assignee: Hopnic Laboratory Co., Ltd.Inventor: Yoshimitsu Aiiso
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Publication number: 20080036964Abstract: 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: ApplicationFiled: August 6, 2007Publication date: February 14, 2008Applicants: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.Inventors: Toru Miura, Yoshimitsu Aiiso