Patents by Inventor Natsumi TASAKI
Natsumi TASAKI 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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Publication number: 20240399416Abstract: There are vapor-deposited films exhibiting various heat shrinkable properties depending on the base film. In a case where a laminate product is fabricated using a vapor-deposited film having a high heat shrinkage rate in the machine direction and subjected to retorting, the barrier properties may deteriorate. Improvement using base films has the disadvantage that a special brand is required to be established since the production quantity at one time is large. The water vapor transmission rate after retorting can be suppressed to 2.5 g/m2·day or less by providing a laminated body having a shrinkage rate in the MD direction before and after retorting of 1.2% or less in the transverse direction and a difference ? between the maximum MD shrinkage rate and the minimum MD shrinkage rate in the transverse direction of 0.4% or less.Type: ApplicationFiled: September 21, 2022Publication date: December 5, 2024Applicant: TOYOBO CO., LTD.Inventors: Natsumi TASAKI, Atsushi YAMAZAKI
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Patent number: 11814493Abstract: Provided are [1] a coating composition containing inorganic oxide particles (A), an epoxy compound (b1) having an organosilane moiety, a polyglycerol polyglycidyl ether (b2) having three or more epoxy groups, and a photocationic polymerization initiator (C), [2] a spectacle lens including a hard coat layer obtainable by curing the coating composition described in [1] above and a substrate, and [3] a method for producing a spectacle lens, including a step of applying the coating composition described in [1] above onto a substrate and a step of curing the applied coating composition by irradiation with light.Type: GrantFiled: September 26, 2019Date of Patent: November 14, 2023Assignee: HOYA LENS THAILAND LTD.Inventors: Takako Ishizaki, Katsushi Hamakubo, Natsumi Tasaki
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Patent number: 11267953Abstract: An iso(thio)cyanate composition for an optical component has excellent storage stability. The iso(thio)cyanate composition includes an iso(thio)cyanate compound having two or more iso(thio)cyanate groups in a molecule, a phosphoric acid ester compound represented by general formula (1), and a phosphoric acid ester compound represented by general formula (2). A total amount of the phosphoric acid ester compounds is 1 ppm or greater and less than 25,000 ppm, based on the mass of the iso(thio)cyanate compound. A molar ratio of the phosphoric acid ester compound represented by general formula (1) and the phosphoric acid ester compound represented by general formula (2) is 30/70 to 70/30.Type: GrantFiled: December 20, 2019Date of Patent: March 8, 2022Assignee: HOYA LENS THAILAND LTD.Inventors: Masahisa Kousaka, Natsumi Tasaki
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Patent number: 11001699Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).Type: GrantFiled: August 27, 2018Date of Patent: May 11, 2021Assignee: HOYA LENS THAILAND LTD.Inventors: Masahisa Kousaka, Natsumi Tasaki
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Patent number: 10947365Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).Type: GrantFiled: August 27, 2018Date of Patent: March 16, 2021Assignee: HOYA LENS THAILAND LTD.Inventors: Masahisa Kousaka, Natsumi Tasaki
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Patent number: 10907028Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).Type: GrantFiled: August 27, 2018Date of Patent: February 2, 2021Assignee: HOYA LENS THAILAND LTD.Inventors: Masahisa Kousaka, Natsumi Tasaki
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Patent number: 10745539Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).Type: GrantFiled: December 17, 2018Date of Patent: August 18, 2020Assignee: HOYA LENS THAILAND LTD.Inventors: Masahisa Kousaka, Natsumi Tasaki
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Publication number: 20200123345Abstract: An iso(thio)cyanate composition for an optical component has excellent storage stability. The iso(thio)cyanate composition includes an iso(thio)cyanate compound having two or more iso(thio)cyanate groups in a molecule, a phosphoric acid ester compound represented by general formula (1), and a phosphoric acid ester compound represented by general formula (2). A total amount of the phosphoric acid ester compounds is 1 ppm or greater and less than 25,000 ppm, based on the mass of the iso(thio)cyanate compound. A molar ratio of the phosphoric acid ester compound represented by general formula (1) and the phosphoric acid ester compound represented by general formula (2) is 30/70 to 70/30.Type: ApplicationFiled: December 20, 2019Publication date: April 23, 2020Applicant: HOYA LENS THAILAND LTD.Inventors: Masahisa KOUSAKA, Natsumi TASAKI
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Patent number: 10544283Abstract: An iso(thio)cyanate composition has excellent storage stability. The iso(thio)cyanate composition for an optical component includes an iso(thio)cyanate compound having two or more iso(thio)cyanate groups in a molecule, a phosphoric acid ester compound represented by general formula (1), and a phosphoric acid ester compound represented by general formula (2), a total amount of the phosphoric acid ester compounds being 1 ppm to 25,000 ppm, based on the mass of the iso(thio)cyanate compound.Type: GrantFiled: March 11, 2016Date of Patent: January 28, 2020Assignee: HOYA LENS THAILAND LTD.Inventors: Masahisa Kousaka, Natsumi Tasaki
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Publication number: 20200017708Abstract: Provided are [1] a coating composition containing inorganic oxide particles (A), an epoxy compound (b1) having an organosilane moiety, a polyglycerol polyglycidyl ether (b2) having three or more epoxy groups, and a photocationic polymerization initiator (C), [2] a spectacle lens including a hard coat layer obtainable by curing the coating composition described in [1] above and a substrate, and [3] a method for producing a spectacle lens, including a step of applying the coating composition described in [1] above onto a substrate and a step of curing the applied coating composition by irradiation with light.Type: ApplicationFiled: September 26, 2019Publication date: January 16, 2020Applicant: HOYA LENS THAILAND LTD.Inventors: Takako ISHIZAKI, Katsushi HAMAKUBO, Natsumi TASAKI
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Publication number: 20190119467Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).Type: ApplicationFiled: December 17, 2018Publication date: April 25, 2019Applicant: HOYA LENS THAILAND LTD.Inventors: Masahisa KOUSAKA, Natsumi TASAKI
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Publication number: 20190112498Abstract: A coating composition capable of forming a hard coat layer having excellent adhesion and scratch resistance; a spectacle lens; and a method for producing a spectacle lens. A coating composition containing hydrophobic inorganic oxide particles; a silane coupling agent; and a cationic photopolymerization initiator. A spectacle lens including a hard coat layer obtained by curing the coating composition; and a substrate and a method for producing a spectacle lens, including a step of applying the coating composition onto a substrate; and a step of curing the applied coating composition by irradiating the coating composition with light.Type: ApplicationFiled: December 21, 2018Publication date: April 18, 2019Applicant: HOYA LENS THAILAND LTD.Inventors: Katsushi HAMAKUBO, Natsumi TASAKI
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Publication number: 20190010273Abstract: An optical resin composition from which an optical element having high heat resistance can be obtained, an optical element obtained by curing the optical resin composition, and a plastic lens for eyeglasses, where the optical resin composition contains a polyiso(thio)cyanate and a polythiol component, which contains a polythiol compound having a sulfide bond and/or a disulfide bond.Type: ApplicationFiled: August 28, 2015Publication date: January 10, 2019Applicant: HOYA LENS THAILAND LTD.Inventors: Masahisa KOUSAKA, Natsumi TASAKI
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Publication number: 20180362731Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).Type: ApplicationFiled: August 27, 2018Publication date: December 20, 2018Applicant: HOYA LENS THAILAND LTD.Inventors: Masahisa KOUSAKA, Natsumi TASAKI
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Publication number: 20180362730Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).Type: ApplicationFiled: August 27, 2018Publication date: December 20, 2018Applicant: HOYA LENS THAILAND LTD.Inventors: Masahisa KOUSAKA, Natsumi TASAKI
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Publication number: 20180059437Abstract: A plastic optical component with a high cutting ratio of blue light, and a method for producing the plastic optical component. The plastic optical component includes a benzophenone compound represented by formula (1) and an addition polymer obtained by radical polymerization of a monomer. The method for producing the plastic member includes a step of curing a mixture including the monomer, the benzophenone compound represented by formula (1), and a radical initiator.Type: ApplicationFiled: March 11, 2016Publication date: March 1, 2018Applicant: HOYA LENS THAILAND LTD.Inventors: Masahisa KOUSAKA, Natsumi TASAKI
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Publication number: 20180037722Abstract: An iso(thio)cyanate composition has excellent storage stability. The iso(thio)cyanate composition for an optical component includes an iso(thio)cyanate compound having two or more iso(thio)cyanate groups in a molecule, a phosphoric acid ester compound represented by general formula (1), and a phosphoric acid ester compound represented by general formula (2), a total amount of the phosphoric acid ester compounds being 1 ppm to 25,000 ppm, based on the mass of the iso(thio)cyanate compound.Type: ApplicationFiled: March 11, 2016Publication date: February 8, 2018Applicant: HOYA LENS THAILAND LTD.Inventors: Masahisa KOUSAKA, Natsumi TASAKI
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Publication number: 20160215121Abstract: To provide a transparent plastic substrate having a high cut rate of blue light, a plastic lens and a transparent plastic member. A transparent plastic substrate containing a benzotriazole compound represented by the formula (1), a plastic lens containing the transparent plastic substrate, and a transparent plastic member containing a benzotriazole compound represented by the formula (1).Type: ApplicationFiled: September 29, 2014Publication date: July 28, 2016Applicant: HOYA LENS THAILAND LTD.Inventors: Masahisa KOUSAKA, Natsumi TASAKI