Patents by Inventor Takahiro Ohno
Takahiro Ohno 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: 20240071452Abstract: The present invention provides an access controller, and a data transfer method. The access controller controls accesses to the MRAM by reading data in advance and backing up the data when data is to be read from the MRAM.Type: ApplicationFiled: October 25, 2023Publication date: February 29, 2024Applicant: TOHOKU UNIVERSITYInventors: Masanori Natsui, Daisuke Suzuki, Akira Tamakoshi, Takahiro Hanyu, Tetsuo Endoh, Hideo Ohno
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Publication number: 20240007791Abstract: A method includes acquiring a latency value defining delay of sound through a filter, acquiring a first group delay indicating delay for each frequency of sound of a first loudspeaker, acquiring a second group delay indicating delay for each frequency of sound of a second loudspeaker, calculating an adjustment amount for adjusting a first audio signal supplied to the first loudspeaker and/or a second audio signal supplied to the second loudspeaker, such that a difference in the sounds of the first and second loudspeakers in a target band is reduced, and generating, in accordance with the adjustment amount, a frequency response of a first filter that controls characteristics of the first audio signal and/or a frequency response of a second filter that controls characteristics of the second audio signal, while controlling a latency of the first filter and/or the second filter in accordance with the latency value.Type: ApplicationFiled: September 18, 2023Publication date: January 4, 2024Inventors: Kenji ISHIZUKA, Takahiro OHNO
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Patent number: 11208596Abstract: The present invention is to provide an optical film having optically anisotropic layer having excellent durability, and a polarizing plate and an image display device using the same. An optical film of the present invention is an optical film having at least an optically anisotropic layer, in which the optically anisotropic layer is a layer obtained by polymerizing a polymerizable liquid crystal composition containing a predetermined liquid crystal compound and a polymerization initiator, and an extrapolated glass transition starting temperature of the optically anisotropic layer is 70° C. or higher.Type: GrantFiled: May 11, 2020Date of Patent: December 28, 2021Assignee: FUJIFILM CorporationInventors: Takahiro Ohno, Makoto Ishiguro, Yoshiaki Hisakado, Hiroshi Sato, Keita Takahashi, Naozumi Shiraiwa, Taiji Katsumata, Hiroshi Matsuyama
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Publication number: 20200270524Abstract: The present invention is to provide an optical film having optically anisotropic layer having excellent durability, and a polarizing plate and an image display device using the same. An optical film of the present invention is an optical film having at least an optically anisotropic layer, in which the optically anisotropic layer is a layer obtained by polymerizing a polymerizable liquid crystal composition containing a predetermined liquid crystal compound and a polymerization initiator, and an extrapolated glass transition starting temperature of the optically anisotropic layer is 70° C. or higher.Type: ApplicationFiled: May 11, 2020Publication date: August 27, 2020Applicant: FUJIFILM CorporationInventors: Takahiro OHNO, Makoto ISHIGURO, Yoshiaki HISAKADO, Hiroshi SATO, Keita TAKAHASHI, Naozumi SHIRAIWA, Taiji KATSUMATA, Hiroshi MATSUYAMA
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Patent number: 10689575Abstract: The present invention is to provide an optical film having optically anisotropic layer having excellent durability, and a polarizing plate and an image display device using the same. An optical film of the present invention is an optical film having at least an optically anisotropic layer, in which the optically anisotropic layer is a layer obtained by polymerizing a polymerizable liquid crystal composition containing a predetermined liquid crystal compound and a polymerization initiator, and an extrapolated glass transition starting temperature of the optically anisotropic layer is 70° C. or higher.Type: GrantFiled: November 29, 2017Date of Patent: June 23, 2020Assignee: FUJIFILM CorporationInventors: Takahiro Ohno, Makoto Ishiguro, Yoshiaki Hisakado, Hiroshi Sato, Keita Takahashi, Naozumi Shiraiwa, Taiji Katsumata, Hiroshi Matsuyama
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Patent number: 9946110Abstract: There is provided a liquid crystal display including: a liquid crystal cell in which a liquid crystal layer is installed between two glass substrates; polarizing plates on both surfaces of the liquid crystal cell; and a backlight at a rear side of the liquid crystal cell, which is a non-visual side, wherein in a polarizing plate at a front side of the liquid crystal cell, which is a visual side, a difference in a moisture content of the polarizing plate at the front side under a specific condition in elapse of time is 0.01% or more and 3.0% or less.Type: GrantFiled: April 10, 2015Date of Patent: April 17, 2018Assignee: FUJIFILM CorporationInventors: Takashi Yonemoto, Hiromichi Furukawa, Takahiro Ohno, Megumi Sekiguchi, Mitsuo Osato, Kenichi Fukuda, Daiki Wakizaka
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Publication number: 20180079958Abstract: The present invention is to provide an optical film having optically anisotropic layer having excellent durability, and a polarizing plate and an image display device using the same. An optical film of the present invention is an optical film having at least an optically anisotropic layer, in which the optically anisotropic layer is a layer obtained by polymerizing a polymerizable liquid crystal composition containing a predetermined liquid crystal compound and a polymerization initiator, and an extrapolated glass transition starting temperature of the optically anisotropic layer is 70° C. or higher.Type: ApplicationFiled: November 29, 2017Publication date: March 22, 2018Applicant: FUJIFILM CorporationInventors: Takahiro OHNO, Makoto ISHIGURO, Yoshiaki HISAKADO, Hiroshi SATO, Keita TAKAHASHI, Naozumi SHIRAIWA, Taiji KATSUMATA, Hiroshi MATSUYAMA
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Patent number: 9885910Abstract: Provided is a liquid crystal display device in which the contrast is improved. The liquid crystal display device includes a first polarizing film, a second polarizing film, a twisted alignment mode liquid crystal and a backlight unit with a light-collecting prism sheet which is disposed on the back side of the liquid crystal cell, the first retardation film and the second retardation film each satisfy Formulae (I) and (II): 1 nm?Re(550)?50 nm??(I) 120 nm?Rth(550)?220 nm??(II); the liquid crystal cell has a depolarizing index (DI value) of 0.000800 or less.Type: GrantFiled: January 20, 2015Date of Patent: February 6, 2018Assignee: FUJIFILM CORPORATIONInventors: Takahiro Ohno, Rikio Inoue
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Publication number: 20170254938Abstract: The present invention addresses the problem of providing a polarizer maintaining an excellent degree of polarization and having high transmittance and excellent durability, and a polarizing plate and an image display device using the same. This polarizer has a polyvinyl alcohol-based resin and iodine included in the polyvinyl alcohol-based resin, in which the thickness of the polarizer is 2 to 20 ?m, the degree of orientation of the polyvinyl alcohol-based resin is 0.11 or more and 0.16 or less, the iodine content is more than 0.50 g/m2 and 1.0 g/m2 or less, and the product of the degree of orientation of the polyvinyl alcohol-based resin and the iodine content is 0.08 g/m2 or more and 0.11 g/m2 or less.Type: ApplicationFiled: May 18, 2017Publication date: September 7, 2017Applicant: FUJIFILM CorporationInventors: Takahiro OHNO, Ryo SATAKE, Michio ARAI, Yuko TERAO
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Patent number: 9459490Abstract: A polarizing plate includes: a polymer film; a polarizer; and a stress relaxation layer disposed between the polymer film and the polarizer, wherein a relationship of the following Expression (1) is satisfied, a thickness of the polymer film is equal to or greater than 10 ?m, a distance(Ds) from the surface of the polarizing plate on the side of the polymer film to the interface between the polymer film and the stress relaxation layer is equal to or greater than 15 ?m, a difference between the distance(Ds) and a thickness(C) of the polymer film is less than 15 ?m, and a total thickness of the polymer film and the stress relaxation layer is equal to or less than 80 ?m, 0.01<B/A<0.9 . . . (1), in Expression (1), A represents the elastic modulus of the polymer film, and B represents the elastic modulus of the stress relaxation layer.Type: GrantFiled: April 15, 2015Date of Patent: October 4, 2016Assignee: FUJIFILM CORPORATIONInventors: Tatsuya Oba, Yoshitaka Maeda, Xiao Ling, Shun Inoue, Takahiro Ohno, Yohei Takahashi, Megumi Sekiguchi
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Patent number: 9453952Abstract: A polarizing plate includes an outer protective film and a polarizer. The sum S of the product of the modulus of elasticity and the cube of the thickness in each layer is up to 150,000 Pa·mm3, and the value obtained by dividing the sum S by the Knoop hardness k of the outer protective film is 200 or more but up to 450. The polarizing plate is excellent in surface pencil hardness even when its thickness is reduced.Type: GrantFiled: June 29, 2015Date of Patent: September 27, 2016Assignee: FUJIFILM CORPORATIONInventors: Takahiro Ohno, Tatsuya Oba, Yoshitaka Maeda, Xiao Ling, Shun Inoue, Megumi Sekiguchi, Yohei Takahashi
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Patent number: 9341882Abstract: Provided is a polarizing plate having improved single plate transmittance under high-temperature and high-humidity conditions, and a liquid crystal display device using the same. A laminate including a polarizer, and an adhesive layer adjoining to at least one surface of the polarizer, the adhesive layer containing a resin and a compound, etc. represented by the formula (1) below.Type: GrantFiled: February 24, 2014Date of Patent: May 17, 2016Assignee: FUJIFILM CORPORATIONInventors: Mayumi Nojiri, Takahiro Ohno, Nobutaka Fukagawa, Yu Naito, Hiroyuki Ishikawa, Naoya Shimoju
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Patent number: 9256099Abstract: Provided is a polarizer durable against high-temperature and high-humidity conditions, small in changes in the single plate transmittance, and a liquid crystal display device. A polarizer including a polyvinyl alcohol-based resin, a dichroic colorant, and a compound, etc. represented by the formula (1) below, the content of the compound represented by the formula (1) being 0.01 to 30 parts by mass relative to 100 parts by mass of the polyvinyl alcohol-based resin. In the formula (1) , each of R1 and R3 independently represents a hydrogen atom, C1-20 straight-chain alkyl group, C3-20 branched alkyl group, C3-20 cycloalkyl group, C2-20 alkenyl group or C6-20 aromatic group, and R5 represents a substituent.Type: GrantFiled: February 26, 2014Date of Patent: February 9, 2016Assignee: FUJIFILM CORPORATIONInventors: Mayumi Nojiri, Takahiro Ohno, Nobutaka Fukagawa, Yu Naito, Hiroyuki Ishikawa, Naoya Shimoju
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Publication number: 20150378073Abstract: A polarizing plate includes an outer protective film and a polarizer. The sum S of the product of the modulus of elasticity and the cube of the thickness in each layer is up to 150,000 Pa·mm3, and the value obtained by dividing the sum S by the Knoop hardness k of the outer protective film is 200 or more but up to 450. The polarizing plate is excellent in surface pencil hardness even when its thickness is reduced.Type: ApplicationFiled: June 29, 2015Publication date: December 31, 2015Applicant: FUJIFILM CORPORATIONInventors: Takahiro OHNO, Tatsuya OBA, Yoshitaka MAEDA, Xiao LING, Shun INOUE, Megumi SEKIGUCHI, Yohei TAKAHASHI
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Publication number: 20150301403Abstract: A polarizing plate includes: a polymer film; a polarizer; and a stress relaxation layer disposed between the polymer film and the polarizer, wherein a relationship of the following Expression (1) is satisfied, a thickness of the polymer film is equal to or greater than 10 ?m, a distance(Ds) from the surface of the polarizing plate on the side of the polymer film to the interface between the polymer film and the stress relaxation layer is equal to or greater than 15 ?m, a difference between the distance(Ds) and a thickness(C) of the polymer film is less than 15 ?m, and a total thickness of the polymer film and the stress relaxation layer is equal to or less than 80 ?m, 0.01<B/A<0.9 . . . (1), in Expression (1), A represents the elastic modulus of the polymer film, and B represents the elastic modulus of the stress relaxation layer.Type: ApplicationFiled: April 15, 2015Publication date: October 22, 2015Applicant: FUJIFILM CorporationInventors: Tatsuya OBA, Yoshitaka MAEDA, Xiao LING, Shun INOUE, Takahiro OHNO, Yohei TAKAHASHI, Megumi SEKIGUCHI
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Patent number: 9151883Abstract: Provide is a cellulose acylate film, of which the environmental humidity-dependent retardation change is small and which, when stuck to a polarizer and used in high-temperature and high-humidity environments, is effective for preventing the polarizing element from being deteriorated. A cellulose acylate film, which contains a hydrogen-bonding compound satisfying the following requirements (A) to (C), and at least one hydrophobizing agent selected from a polyalcohol ester-base hydrophobizing agent, a polycondensate ester-base hydrophobizing agent and a carbohydrate derivative-base hydrophobizing agent: (A) the compound has both a hydrogen-bonding donor part and a hydrogen-bonding acceptor part in one molecule, (B) the value computed by dividing the molecular weight of the compound by the total number of the hydrogen-bonding donor number and the hydrogen-bonding acceptor number in the compound is from 30 to 65, and (C) the total number of the aromatic ring structures in the compound is from 1 to 3.Type: GrantFiled: July 9, 2014Date of Patent: October 6, 2015Assignee: FUJIFILM CORPORATIONInventors: Nobutaka Fukagawa, Masato Nagura, Takayasu Yasuda, Takahiro Ohno, Satoshi Tanaka, Aiko Yamamoto, Aiko Yoshida, Shinya Watanabe
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Publication number: 20150212368Abstract: There is provided a liquid crystal display including: a liquid crystal cell in which a liquid crystal layer is installed between two glass substrates; polarizing plates on both surfaces of the liquid crystal cell; and a backlight at a rear side of the liquid crystal cell, which is a non-visual side, wherein in a polarizing plate at a front side of the liquid crystal cell, which is a visual side, a difference in a moisture content of the polarizing plate at the front side under a specific condition in elapse of time is 0.01% or more and 3.0% or less.Type: ApplicationFiled: April 10, 2015Publication date: July 30, 2015Applicant: FUJIFILM CorporationInventors: Takashi YONEMOTO, Hiromichi FURUKAWA, Takahiro OHNO, Megumi SEKIGUCHI, Mitsuo OSATO, Kenichi FUKUDA, Daiki WAKIZAKA
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Publication number: 20150168780Abstract: Provided is a liquid crystal display device in which the contrast is improved. The liquid crystal display device includes a first polarizing film, a second polarizing film, a twisted alignment mode liquid crystal and a backlight unit with a light-collecting prism sheet which is disposed on the back side of the liquid crystal cell, the first retardation film and the second retardation film each satisfy Formulae (I) and (II): 1 nm?Re(550)?50 nm ??(I) 120 nm?Rth(550)?220 nm ??(II); the liquid crystal cell has a depolarizing index (DI value) of 0.000800 or less.Type: ApplicationFiled: January 20, 2015Publication date: June 18, 2015Applicant: FUJIFILM CORPORATIONInventors: Takahiro OHNO, Rikio INOUE
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Patent number: 8906475Abstract: Provide is a cellulose acylate film, of which the environmental humidity-dependent retardation change is small and which, when stuck to a polarizer and used in high-temperature and high-humidity environments, is effective for preventing the polarizing element from being deteriorated. A cellulose acylate film, which contains a hydrogen-bonding compound satisfying the following requirements (A) to (C), and at least one hydrophobizing agent selected from a polyalcohol ester-base hydrophobizing agent, a polycondensate ester-base hydrophobizing agent and a carbohydrate derivative-base hydrophobizing agent: (A) the compound has both a hydrogen-bonding donor part and a hydrogen-bonding acceptor part in one molecule, (B) the value computed by dividing the molecular weight of the compound by the total number of the hydrogen-bonding donor number and the hydrogen-bonding acceptor number in the compound is from 30 to 65, and (C) the total number of the aromatic ring structures in the compound is from 1 to 3.Type: GrantFiled: September 29, 2010Date of Patent: December 9, 2014Assignee: Fujifilm CorporationInventors: Nobutaka Fukagawa, Masato Nagura, Takayasu Yasuda, Takahiro Ohno, Satoshi Tanaka, Aiko Yamamoto, Aiko Yoshida, Shinya Watanabe
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Publication number: 20140318413Abstract: Provide is a cellulose acylate film, of which the environmental humidity-dependent retardation change is small and which, when stuck to a polarizer and used in high-temperature and high-humidity environments, is effective for preventing the polarizing element from being deteriorated. A cellulose acylate film, which contains a hydrogen-bonding compound satisfying the following requirements (A) to (C), and at least one hydrophobizing agent selected from a polyalcohol ester-base hydrophobizing agent, a polycondensate ester-base hydrophobizing agent and a carbohydrate derivative-base hydrophobizing agent: (A) the compound has both a hydrogen-bonding donor part and a hydrogen-bonding acceptor part in one molecule, (B) the value computed by dividing the molecular weight of the compound by the total number of the hydrogen-bonding donor number and the hydrogen-bonding acceptor number in the compound is from 30 to 65, and (C) the total number of the aromatic ring structures in the compound is from 1 to 3.Type: ApplicationFiled: July 9, 2014Publication date: October 30, 2014Applicant: FUJIFILM CorporationInventors: Nobutaka FUKAGAWA, Masato NAGURA, Takayasu YASUDA, Takahiro OHNO, Satoshi TANAKA, Aiko YAMAMOTO, Aiko YOSHIDA, Shinya WATANABE