Patents by Inventor Masahiro Horiguchi
Masahiro Horiguchi 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: 10428032Abstract: The present invention provides a compound represented by the general formula (I), and a polymerizable composition containing the compound. When the polymerizable composition containing the compound represented by the formula (I) is used to form a filmy product, the resulting filmy product exhibits less change over time in phase difference and reverse wavelength dispersion and when the filmy polymer is irradiated with UV light, peeling from a substrate is unlikely to be caused. Further, the invention provides a polymer obtained through polymerization of the polymerizable composition and an optically anisotropic body obtained using the polymer.Type: GrantFiled: August 25, 2016Date of Patent: October 1, 2019Assignee: DIC CORPORATIONInventors: Masahiro Horiguchi, Junichi Mamiya, Yoshio Aoki
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Publication number: 20190062256Abstract: The present invention provides a novel method for producing an ester group-containing compound and a derivative produced using the compound as a synthetic intermediate. The invention also provides a polymerizable composition containing the compound obtained by the production method and a film-shaped polymer obtained by polymerizing the polymerizable composition. The present invention is a method for producing an ester group-containing compound, the method including a mixing step of mixing a condensing agent, a Bronsted acid, a carboxylic acid, and a phenol or an alcohol to prepare a reaction mixture. The Bronsted acid selected is other than the condensing agent, the carboxylic acid, and the phenol.Type: ApplicationFiled: February 23, 2017Publication date: February 28, 2019Applicant: DIC CorporationInventors: Masahiro HORIGUCHI, Toru TSERUTA
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Publication number: 20190025490Abstract: A polymerizable composition of the present invention has favorable solubility, and an optically anisotropic body using the polymerizable composition is unlikely to discolor and is excellent in heat resistance and light resistance. The problem to be solved by the present invention is to provide a polymer obtained by polymerizing the polymerizable composition and an optically anisotropic body using the polymer. The present invention relates to a polymerizable composition which includes a compound having at least one mesogenic group and satisfying an expression represented by Expression (1), and which satisfies an expression represented by Expression (2). 0.Type: ApplicationFiled: July 14, 2016Publication date: January 24, 2019Applicant: DIC CorporationInventors: Mika Takasaki, Masahiro Horiguchi, Yasuhiro Kuwana
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Publication number: 20180362847Abstract: The polymerizable liquid crystal compound has reverse wavelength dispersion or low wavelength dispersion and has high solubility in various solvents. The polymerizable liquid crystal compound provides an optically anisotropic body having high adhesiveness to substrates (or alignment films), by adding the polymerizable liquid crystal compound to a polymerizable composition and polymerizing the polymerizable composition using ultraviolet light. The invention provides a polymerizable composition containing the polymerizable liquid crystal compound having reverse wavelength dispersion or low wavelength dispersion, a polymer obtained by polymerizing the polymerizable composition, and an optically anisotropic body using the polymer.Type: ApplicationFiled: December 1, 2016Publication date: December 20, 2018Applicant: DIC CorporationInventors: Yoshitaka Saito, Tatsufumi Yamazaki, Masahiro Horiguchi, Junichi Mamiya, Toru Tsuruta
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Publication number: 20180354922Abstract: The polymerizable compound has a hydrazone moiety. The present invention also provides a polymerizable composition in which discoloration and reduction of aligning property do not easily occur. Furthermore, the present invention provides a polymer obtained by polymerizing a polymerizable composition containing a compound obtained by the production method and an optically anisotropic body using the polymer. The present invention provides a method for producing a polymerizable compound including a step of reacting a compound represented by General Formula (I-B-a) with a compound represented by General Formula (I-B-b) to obtain a compound represented by General Formula (I-C), and provides a composition which contains a compound obtained by this production method.Type: ApplicationFiled: November 29, 2016Publication date: December 13, 2018Applicant: DIC CorporationInventors: Masahiro Horiguchi, Junichi Mamiya
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Publication number: 20180327668Abstract: The polymerizable composition includes a compound which is reverse wavelength dispersive or low wavelength dispersive and has at least one mesogenic group, the mixture satisfying Expression (1). In the expression (1), YI represents a yellowness index of the compound and ?n represents a refractive index anisotropy at a wavelength of 550 nm in the case of being formed into a film: 0.5?YI/?n?500 Expression (1).Type: ApplicationFiled: July 14, 2016Publication date: November 15, 2018Applicant: DIC CorporationInventors: Masahiro Horiguchi, Mika Takasaki, Yasuhiro Kuwana
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Publication number: 20180319755Abstract: There is provided a polymerizable composition, by which discoloration or alignment defects are less likely to occur when a filmy polymer, which is obtained by adding a polymerizable compound to the polymerizable composition and polymerizing this composition, is irradiated with ultraviolet light. There are also provided a polymer obtained by polymerizing the polymerizable composition, and an optically anisotropic body using the polymer. The present invention provides a polymerizable low-wavelength dispersive or polymerizable reverse-wavelength dispersive compound having a partial structure represented by Formula (Z-0). Further, the present invention provides a composition containing the compound; a polymer obtained by polymerizing the composition; and an optically anisotropic body obtained by using the polymer.Type: ApplicationFiled: November 9, 2015Publication date: November 8, 2018Applicant: DIC CORPORATIONInventors: Yan Teng, Masahiro Horiguchi, Yutaka Kadomoto, Akihiro Koiso, Masanao Hayashi, Yoshitaka Saitou, Zhimin Li
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Publication number: 20180312481Abstract: The present invention provides a compound represented by the general formula (I), and a polymerizable composition containing the compound. When the polymerizable composition containing the compound represented by the formula (I) is used to form a filmy product, the resulting filmy product exhibits less change over time in phase difference and reverse wavelength dispersion and when the filmy polymer is irradiated with UV light, peeling from a substrate is unlikely to be caused. Further, the invention provides a polymer obtained through polymerization of the polymerizable composition and an optically anisotropic body obtained using the polymer.Type: ApplicationFiled: August 25, 2016Publication date: November 1, 2018Applicant: DIC CorporationInventors: Masahiro Horiguchi, Junichi Mamiya, Yoshio Aoki
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Publication number: 20180112022Abstract: Provided are a polymerizable composition in which precipitation or the like of crystals does not occur and which has high storage stability; and a polymerizable composition in which unevenness is unlikely to occur when a film-like polymerized material obtained by polymerizing the composition is prepared. Further, provided are an optically anisotropic body, a retardation film, an optical compensation film, an anti-reflective film, a lens, and a lens sheet which are formed of the polymerizable composition, a liquid crystal display element, an organic light-emitting display element, a lighting element, an optical component, a colorant, a security marking, a member for emitting a laser, a polarizing film, a coloring material, and a printed matter for which the polymerizable composition is used.Type: ApplicationFiled: January 14, 2016Publication date: April 26, 2018Applicant: DIC CorporationInventors: Toru Ishii, Yasuhiro Kuwana, Masahiro Horiguchi, Yutaka Kadomoto, Tetsuo Kusumoto
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Publication number: 20180066189Abstract: Provided are a polymerizable composition in which precipitation or the like of crystals does not occur and which has high storage stability; and a polymerizable composition in which unevenness is unlikely to occur when a film-like polymerized material obtained by polymerizing the composition is prepared. Further, provided are an optically anisotropic body, a retardation film, an optical compensation film, an anti-reflective film, a lens, and a lens sheet which are formed of the polymerizable composition, a liquid crystal display element, an organic light-emitting display element, a lighting element, an optical component, a colorant, a security marking, a member for emitting a laser, a polarizing film, a coloring material, and a printed matter for which the polymerizable composition is used.Type: ApplicationFiled: January 14, 2016Publication date: March 8, 2018Applicant: DIC CorporationInventors: Toru Ishii, Yasuhiro Kuwana, Masahiro Horiguchi, Yutaka Kadomoto, Tetsuo Kusumoto
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Publication number: 20180037819Abstract: The problem that the present invention is to solve is to provide an optical film that has less alignment defects and is less liable to cause variation in the optical characteristics when placed in a high temperature state. The present invention provides an optical film containing a structural unit derived from a specific compound, that is, an optical film containing a structural unit derived from a compound represented by the general formula (I), which has less alignment defects and is less liable to cause variation in the optical characteristics when placed in a high temperature state, and also provides a display device including the optical film.Type: ApplicationFiled: August 3, 2017Publication date: February 8, 2018Inventors: Masahiro HORIGUCHI, Sayaka NOSE, Yasuhiro KUWANA, Kouichi ENDO
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Publication number: 20180037817Abstract: The polymerizable composition prevents precipitation and the like of crystals and has high storage stability. A polymer compound is added to the polymerizable composition. In a case where a film-shaped polymer obtained by polymerizing the polymerizable composition is prepared, a tilt angle formed with an air interface is small, and glances of reflected light when a circularly polarizing plate is obtained by combining the polymer with a polarizing plate are removed. In addition, there is provided a polymer obtained by polymerizing the polymerizable composition, and an optically anisotropic body using the polymer. The polymerizable composition includes a reverse dispersible compound represented by General Formula (I), and a compound represented by General Formula (II).Type: ApplicationFiled: January 12, 2016Publication date: February 8, 2018Applicant: DIC CorporationInventors: Yasuhiro Kuwana, Masahiro Horiguchi, Toru Ishii, Sayaka Nose, Akihiro Koiso
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Publication number: 20180022716Abstract: The present invention provides a polymerizable compound having high storage stability without causing crystal precipitation when added to a polymerizable composition. The present invention also provides a polymerizable composition containing the compound. When the filmy polymer produced through polymerization of the polymerizable composition is irradiated with UV light, it hardly discolors or peels from substrate. Further, the present invention provides a polymer produced through polymerization of the polymerizable composition and an optically anisotropic body using the polymer.Type: ApplicationFiled: February 16, 2016Publication date: January 25, 2018Applicant: DIC CorporationInventors: Masahiro Horiguchi, Yutaka Kadomoto
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Publication number: 20180002276Abstract: In light of requests to reduce or reverse the wavelength dispersion of the birefringence of a phase-retardation film in order to increase the viewing angle of a liquid crystal display, the present invention provides a polymerizable compound that reduces, for example, the likelihood of crystals precipitating in a polymerizable composition including the polymerizable compound and enables the polymerizable composition to have high preservation stability and a polymerizable composition including the polymerizable compound which reduces the likelihood of inconsistencies being formed in a film-like polymer produced by polymerizing the polymerizable composition. Another object of the present invention is to provide a polymer produced by polymerizing the polymerizable composition and an optically anisotropic body including the polymer.Type: ApplicationFiled: January 7, 2016Publication date: January 4, 2018Applicant: DIC CorporationInventors: Yutaka Kadomoto, Masahiro Horiguchi, Akihiro Koiso
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Publication number: 20170369783Abstract: The present invention aims to provide a polymerizable compound that has high storage stability without causing crystal precipitation when added to a polymerizable composition and to provide a polymerizable composition containing the polymerizable compound. A polymer film produced by polymerization of the polymerizable composition has a low haze, high thickness uniformity, low occurrence of nonuniform orientation, high surface hardness, high adhesiveness, and good appearances and fewer orientation defects even after ultraviolet irradiation. The present invention also aims to provide a polymer produced by polymerization of the polymerizable composition and an optically anisotropic body produced from the polymer.Type: ApplicationFiled: December 17, 2015Publication date: December 28, 2017Inventors: Masahiro HORIGUCHI, Sayaka NOSE, Akihiro KOISO
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Publication number: 20170362508Abstract: A problem of the present invention is to provide a polymerizable compound and a polymerizable composition which cause little decrease in retardation and discoloration when a film-shaped polymer produced by polymerization is irradiated with ultraviolet/visible light for a long time at high temperature. A further problem is to provide a polymer produced by polymerizing the polymerizable composition and an optically anisotropic body using the polymer. As a result, a compound useful as a component of a polymerizable composition was obtained. An optically anisotropic body using a polymerizable liquid crystal composition containing the compound of the present invention is useful for application to an optical film and the like.Type: ApplicationFiled: January 14, 2016Publication date: December 21, 2017Applicant: DIC CorporationInventors: Masahiro Horiguchi, Akihiro Koiso
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Publication number: 20170306233Abstract: The present invention provides a polymerizable compound that reduces, for example, the likelihood of crystals precipitating in a polymerizable composition including the polymerizable compound and enables the polymerizable composition to have high preservation stability and a polymerizable composition including the polymerizable compound which reduces the likelihood of inconsistencies being formed in a film-like polymer produced by polymerizing the polymerizable composition. Also provided are a polymer-produced by polymerizing the polymerizable composition and an optically anisotropic body including the polymer. The present invention provides the compound represented by General Formula (I), a composition including the compound, a polymer produced by polymerizing the composition, and an optically anisotropic body including the polymer.Type: ApplicationFiled: October 6, 2015Publication date: October 26, 2017Applicant: DIC CorporationInventors: Masahiro Horiguchi, Yutaka Kadomoto, Tetsuo Kusumoto
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Patent number: 9688787Abstract: An object of the invention is to provide a polymerizable compound having small refractive index anisotropy and having high storage stability and high alignment properties when constituting a polymerizable liquid crystal composition, and provide a polymerizable liquid crystal composition containing the polymerizable compound. Further, the object is to provide a polymer produced by polymerizing the polymerizable liquid crystal composition and an optically anisotropic body including the polymer. The present invention provides a polymerizable compound represented by general formula (I), a polymerizable liquid crystal composition containing the compound as a constituent component, and further provides a polymer produced by polymerizing the polymerizable liquid crystal composition and an optically anisotropic body including the polymer.Type: GrantFiled: August 14, 2015Date of Patent: June 27, 2017Assignee: DIC CORPORATIONInventors: Tetsuo Kusumoto, Masahiro Horiguchi, Takashi Matsumoto, Yoshio Aoki, Masanao Hayashi, Masayuki Iwakubo
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Patent number: 9632616Abstract: An interactive system includes a transmitter (light-emitting pen) configured to transmit an optical signal and a projector. The projector includes a signal-intensity setting unit in which intensity information of a synchronization signal is set, a signal-intensity control unit (light-emission control unit) configured to control the intensity of the synchronization signal on the basis of the setting of the signal-intensity setting unit, a synchronization-signal transmitting unit (infrared-light emitting unit) configured to transmit the synchronization signal, and an image pickup unit configured to pick up an image of the optical signal transmitted from the transmitter. The transmitter includes a receiving unit (pen reception unit) configured to receive the synchronization signal and an optical-signal transmitting unit (pen control unit and a light-emitting diode) configured to transmit the optical signal in synchronization with the synchronization signal received by the receiving unit.Type: GrantFiled: September 13, 2013Date of Patent: April 25, 2017Assignee: SEIKO EPSON CORPORATIONInventors: Yasuyuki Kobayashi, Takaaki Koyama, Nobuyuki Otsuki, Masahiro Horiguchi, Yukihiro Karasawa
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Publication number: 20170073581Abstract: The present invention provides a mixture including a compound that has a mesogenic group and satisfying an expression represented by Expression (1): 1.0?YI/?n?50.0??Expression (1) wherein YI represents a yellowness index of the mixture and ?n represents a refractive index anisotropy of the compound having a mesogenic group. In a case of producing an optical anisotropic body constituted by a composition prepared by using the compound, repellence hardly occurs, and the mixture exhibits excellent alignment properties in a case of using the optical anisotropic body. Furthermore, a composition that contains the mixture and an optical anisotropic body that uses the composition are provided.Type: ApplicationFiled: February 24, 2015Publication date: March 16, 2017Inventors: Masahiro Horiguchi, Mika Yamamoto, Yasuhiro Kuwana