Patents by Inventor Daisuke Ogomi
Daisuke Ogomi 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: 11385391Abstract: A long polarizer that can achieve the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus, that shows no variation in quality when provided as a final product, and that is excellent in yield in its production. A polarizer according to an embodiment includes a long resin film containing a dichromatic substance, the polarizer having non-polarization portions arranged in a lengthwise direction and/or a widthwise direction at predetermined intervals, the non-polarization portions including decolored portions formed through partial decoloring.Type: GrantFiled: July 22, 2020Date of Patent: July 12, 2022Assignee: NITTO DENKO CORPORATIONInventors: Masahiro Yaegashi, Daisuke Ogomi, Yuki Nakano, Yuji Saiki, Kota Nakai
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Patent number: 11061176Abstract: A polarizer that can realize the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus. A polarizer including a resin film containing a dichroic substance, wherein the polarizer has a low dichroic substance concentration portion whose content of the dichroic substance is relatively low in the resin film. In the polarizer, the low dichroic substance concentration portion has a content of an alkali metal and/or an alkaline earth metal of 3.6 wt % or less.Type: GrantFiled: February 26, 2020Date of Patent: July 13, 2021Assignee: NITTO DENKO CORPORATIONInventors: Daisuke Ogomi, Yuji Saiki, Masahiro Yaegashi, Kota Nakai, Yuki Nakano
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Publication number: 20200393605Abstract: A long polarizer that can achieve the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus, that shows no variation in quality when provided as a final product, and that is excellent in yield in its production. A polarizer according to an embodiment of the present invention includes a long resin film containing a dichromatic substance, the polarizer having non-polarization portions arranged in a lengthwise direction and/or a widthwise direction at predetermined intervals, the non-polarization portions including decolored portions formed through partial decoloring.Type: ApplicationFiled: July 22, 2020Publication date: December 17, 2020Applicant: NITTO DENKO CORPORATIONInventors: Masahiro Yaegashi, Daisuke Ogomi, Yuki Nakano, Yuji Saiki, Kota Nakai
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Patent number: 10782462Abstract: A polarizer that can realize the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus. A polarizer 1 including a resin film containing a dichromatic substance, wherein the polarizer has a low dichromatic substance concentration portion whose content of the dichromatic substance is relatively low in the resin film. The low dichromatic substance concentration portion 2 is brought into contact with an acidic solution. The low dichromatic substance concentration portion corresponds to a camera portion of an image display apparatus on which the polarizer is mounted.Type: GrantFiled: April 23, 2015Date of Patent: September 22, 2020Assignee: NITTO DENKO CORPORATIONInventors: Daisuke Ogomi, Yuji Saiki, Masahiro Yaegashi
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Patent number: 10754072Abstract: A long polarizer that can achieve the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus, that shows no variation in quality when provided as a final product, and that is excellent in yield in its production. A polarizer including a long resin film containing a dichromatic substance, the polarizer having non-polarization portions arranged in a lengthwise direction and/or a widthwise direction at predetermined intervals, the non-polarization portions including decolored portions formed through partial decoloring.Type: GrantFiled: June 26, 2015Date of Patent: August 25, 2020Assignee: NITTO DENKO CORPORATIONInventors: Masahiro Yaegashi, Daisuke Ogomi, Yuki Nakano, Yuji Saiki, Kota Nakai
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Publication number: 20200225395Abstract: A polarizer that can realize the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus. A polarizer including a resin film containing a dichroic substance, wherein the polarizer has a low dichroic substance concentration portion whose content of the dichroic substance is relatively low in the resin film. In the polarizer, the low dichroic substance concentration portion has a content of an alkali metal and/or an alkaline earth metal of 3.6 wt % or less.Type: ApplicationFiled: February 26, 2020Publication date: July 16, 2020Applicant: NITTO DENKO CORPORATIONInventors: Daisuke Ogomi, Yuji Saiki, Masahiro Yaegashi, Kota Nakai, Yuki Nakano
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Patent number: 10620353Abstract: An iodine-based polarizer includes a polyvinyl alcohol-based film; and iodine adsorbed and oriented in the polyvinyl alcohol-based film, the iodine-based polarizer having be undergone a treatment with a treatment bath containing at least one reducing agent, the iodine-based polarizer containing an oxidized form of the reducing agent, wherein the total content of the reducing agent and the oxidized form is from 0.06×10?6 mol/g to 1.6×10?6 mol/g. The iodine-based polarizer has a sufficiently high level of transmittance, degree of polarization, and other optical properties and can suppress light leakage in short-wavelength.Type: GrantFiled: May 22, 2018Date of Patent: April 14, 2020Assignee: NITTO DENKO CORPORATIONInventors: Muniridin Yasen, Daisuke Ogomi, Yuuji Saiki
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Patent number: 10578786Abstract: There is provided a polarizer excellent in heat resistance. A polarizer according to an embodiment of the present invention includes a resin film containing iodine, wherein an end portion of the resin film has formed therein a high-concentration portion having a concentration of a substance that forms a counter ion of iodine higher than that of another portion.Type: GrantFiled: January 23, 2019Date of Patent: March 3, 2020Assignee: NITTO DENKO CORPORATIONInventors: Katsunori Takada, Daisuke Ogomi, Shinobu Nagano, Eiko Suefusa, Yoshitsugu Kitamura, Hiroki Kuramoto, Youichirou Sugino, Keisuke Kimura
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Patent number: 10503004Abstract: There is provided a polarizer having a non-polarization portion that can achieve the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus, the polarizer being excellent in dimensional stability and external appearance of the non-polarization portion. A polarizer according to an embodiment of the present invention includes a resin film containing a dichromatic substance, wherein: the polarizer has a non-polarization portion at a predetermined position; and the non-polarization portion includes a thin-walled portion thinner than another portion of the resin film.Type: GrantFiled: June 20, 2016Date of Patent: December 10, 2019Assignee: NITTO DENKO CORPORATIONInventors: Masahiro Yaegashi, Shinobu Nagano, Shusaku Goto, Daisuke Ogomi, Yuki Nakano
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Publication number: 20190243046Abstract: There is provided a polarizer excellent in heat resistance. A polarizer according to an embodiment of the present invention includes a resin film containing iodine, wherein an end portion of the resin film has formed therein a high-concentration portion having a concentration of a substance that forms a counter ion of iodine higher than that of another portion.Type: ApplicationFiled: January 23, 2019Publication date: August 8, 2019Applicant: NITTO DENKO CORPORATIONInventors: Katsunori Takada, Daisuke Ogomi, Shinobu Nagano, Eiko Suefusa, Yoshitsugu Kitamura, Hiroki Kuramoto, Youichirou Sugino, Keisuke Kimura
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Patent number: 10234611Abstract: There is provided a polarizer that can realize multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus. A polarizer according to an embodiment of the present invention includes a resin film containing iodine, wherein the polarizer has formed therein a transparent portion having a transmittance higher than that of another portion, and when the polarizer is placed under an environment having a temperature of 60° C. and a humidity of 90% for 2 hours, a transmittance change (?Ts) of the transparent portion is 10% or less.Type: GrantFiled: September 21, 2016Date of Patent: March 19, 2019Assignee: NITTO DENKO CORPORATIONInventors: Shusaku Goto, Akinori Izaki, Daisuke Ogomi
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Patent number: 10215900Abstract: A long polarizing film laminate capable of producing a polarizer that can achieve the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus, that shows no variation in quality when provided as a final product, and that is excellent in yield in its production. A polarizing film laminate according to an embodiment of the present invention includes: a long polarizer; and a surface protective film arranged on one surface side of the polarizer. The polarizing film laminate has, on the one surface side, exposed portions where the polarizer is exposed. The exposed portions are arranged in a lengthwise direction and/or a widthwise direction of the polarizer at predetermined intervals.Type: GrantFiled: June 26, 2015Date of Patent: February 26, 2019Assignee: NITTO DENKO CORPORATIONInventors: Masahiro Yaegashi, Daisuke Ogomi, Yuki Nakano, Yuji Saiki, Kota Nakai
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Patent number: 10215901Abstract: There is provided a polarizer excellent in heat resistance. A polarizer according to an embodiment of the present invention includes a resin film containing iodine, wherein an end portion of the resin film has formed therein a high-concentration portion having a concentration of a substance that forms a counter ion of iodine higher than that of another portion.Type: GrantFiled: October 31, 2016Date of Patent: February 26, 2019Assignee: NITTO DENKO CORPORATIONInventors: Katsunori Takada, Daisuke Ogomi, Shinobu Nagano, Eiko Suefusa, Yoshitsugu Kitamura, Hiroki Kuramoto, Youichirou Sugino, Keisuke Kimura
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Publication number: 20180321429Abstract: An iodine-based polarizer includes a polyvinyl alcohol-based film; and iodine adsorbed and oriented in the polyvinyl alcohol-based film, the iodine-based polarizer having be undergone a treatment with a treatment bath containing at least one reducing agent, the iodine-based polarizer containing an oxidized form of the reducing agent, wherein the total content of the reducing agent and the oxidized form is from 0.06×10?6 mol/g to 1.6×10?6 mol/g. The iodine-based polarizer has a sufficiently high level of transmittance, degree of polarization, and other optical properties and can suppress light leakage in short-wavelength.Type: ApplicationFiled: May 22, 2018Publication date: November 8, 2018Applicant: NITTO DENKO CORPORATIONInventors: Muniridin Yasen, Daisuke Ogomi, Yuuji Saiki
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Patent number: 10101511Abstract: A polarizer according to an embodiment of the present invention includes a resin film having a thickness of 13 ?m or less and containing iodine. The resin film has formed therein a low-concentration portion having a content of the iodine lower than that of another portion.Type: GrantFiled: February 12, 2016Date of Patent: October 16, 2018Assignee: NITTO DENKO CORPORATIONInventors: Shusaku Goto, Daisuke Ogomi, Masahiro Yaegashi
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Patent number: 10025014Abstract: An iodine-based polarizer includes a polyvinyl alcohol-based film; and iodine adsorbed and oriented in the polyvinyl alcohol-based film, the iodine-based polarizer having be undergone a treatment with a treatment bath containing at least one reducing agent, the iodine-based polarizer containing an oxidized form of the reducing agent, wherein the total content of the reducing agent and the oxidized form is from 0.06×10?6 mol/g to 1.6×10?6 mol/g. The iodine-based polarizer has a sufficiently high level of transmittance, degree of polarization, and other optical properties and can suppress light leakage in short-wavelength.Type: GrantFiled: November 16, 2012Date of Patent: July 17, 2018Assignee: NITTO DENKO CORPORATIONInventors: Muniridin Yasen, Daisuke Ogomi, Yuuji Saiki
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Publication number: 20180173050Abstract: There is provided a polarizer having a non-polarization portion that can achieve the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus, the polarizer being excellent in dimensional stability and external appearance of the non-polarization portion. A polarizer according to an embodiment of the present invention includes a resin film containing a dichromatic substance, wherein: the polarizer has a non-polarization portion at a predetermined position; and the non-polarization portion includes a thin-walled portion thinner than another portion of the resin film.Type: ApplicationFiled: June 20, 2016Publication date: June 21, 2018Applicant: NITTO DENKO CORPORATIONInventors: Masahiro Yaegashi, Shinobu Nagano, Shusaku Goto, Daisuke Ogomi, Yuki Nakano
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Patent number: 9658366Abstract: Provided is a polarizing film that is excellent in external appearance and can contribute to improving the display characteristics of an image display apparatus. A polarizing film of the present invention includes a polyvinyl alcohol-based resin film containing iodine. At least one surface side of the polyvinyl alcohol-based resin film includes a low-iodine layer.Type: GrantFiled: October 11, 2013Date of Patent: May 23, 2017Assignee: NITTO DENKO CORPORATIONInventors: Shusaku Goto, Daisuke Ogomi, Yuki Nakano, Muniridin Yasen, Osamu Kaneko
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Publication number: 20170137671Abstract: A long pressure-sensitive adhesive film, that can be suitably used as a surface protective film or mask at the time of the treatment of a predetermined portion of a long film. A pressure-sensitive adhesive film including a long resin film; and a pressure-sensitive adhesive layer arranged on one surface of the resin film. The pressure-sensitive adhesive film has through-holes that are arranged in a lengthwise direction and/or a widthwise direction at predetermined intervals, and that penetrate the resin film and the pressure-sensitive adhesive layer integrally.Type: ApplicationFiled: June 26, 2015Publication date: May 18, 2017Applicant: NITTO DENKO CORPORATIONInventors: Daisuke Ogomi, Masahiro Yaegashi, Yuki Nakano, Kota Nakai, Yuki Ose
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Publication number: 20170129197Abstract: A method of producing a long polarizer by which a polarizer serving as a final product that can achieve the multi-functionalization and high-functionalization of an electronic device, such as an image display apparatus, and that is free of any variation in quality can be produced at low cost and with high productivity. A method of producing a long polarizer having non-polarization portions according to an embodiment of the present invention includes; laminating, on one surface of a long polarizer, a long surface protective film having through-holes arranged in a lengthwise direction and/or a widthwise direction at predetermined intervals to form a long polarizing film laminate; partially decoloring the polarizer through the through-holes of the surface protective film to form the non-polarization portions; and removing the surface protective film.Type: ApplicationFiled: June 26, 2015Publication date: May 11, 2017Applicant: NITTO DENKO CORPORATIONInventors: Masahiro Yaegashi, Daisuke Ogomi, Yuki Nakano, Yuji Saiki, Kota Nakai