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).

  • Patent number: 10428032
    Abstract: 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: Grant
    Filed: August 25, 2016
    Date of Patent: October 1, 2019
    Assignee: DIC CORPORATION
    Inventors: Masahiro Horiguchi, Junichi Mamiya, Yoshio Aoki
  • Publication number: 20190062256
    Abstract: 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: Application
    Filed: February 23, 2017
    Publication date: February 28, 2019
    Applicant: DIC Corporation
    Inventors: Masahiro HORIGUCHI, Toru TSERUTA
  • Publication number: 20190025490
    Abstract: 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: Application
    Filed: July 14, 2016
    Publication date: January 24, 2019
    Applicant: DIC Corporation
    Inventors: Mika Takasaki, Masahiro Horiguchi, Yasuhiro Kuwana
  • Publication number: 20180362847
    Abstract: 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: Application
    Filed: December 1, 2016
    Publication date: December 20, 2018
    Applicant: DIC Corporation
    Inventors: Yoshitaka Saito, Tatsufumi Yamazaki, Masahiro Horiguchi, Junichi Mamiya, Toru Tsuruta
  • Publication number: 20180354922
    Abstract: 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: Application
    Filed: November 29, 2016
    Publication date: December 13, 2018
    Applicant: DIC Corporation
    Inventors: Masahiro Horiguchi, Junichi Mamiya
  • Publication number: 20180327668
    Abstract: 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: Application
    Filed: July 14, 2016
    Publication date: November 15, 2018
    Applicant: DIC Corporation
    Inventors: Masahiro Horiguchi, Mika Takasaki, Yasuhiro Kuwana
  • Publication number: 20180319755
    Abstract: 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: Application
    Filed: November 9, 2015
    Publication date: November 8, 2018
    Applicant: DIC CORPORATION
    Inventors: Yan Teng, Masahiro Horiguchi, Yutaka Kadomoto, Akihiro Koiso, Masanao Hayashi, Yoshitaka Saitou, Zhimin Li
  • Publication number: 20180312481
    Abstract: 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: Application
    Filed: August 25, 2016
    Publication date: November 1, 2018
    Applicant: DIC Corporation
    Inventors: Masahiro Horiguchi, Junichi Mamiya, Yoshio Aoki
  • Publication number: 20180112022
    Abstract: 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: Application
    Filed: January 14, 2016
    Publication date: April 26, 2018
    Applicant: DIC Corporation
    Inventors: Toru Ishii, Yasuhiro Kuwana, Masahiro Horiguchi, Yutaka Kadomoto, Tetsuo Kusumoto
  • Publication number: 20180066189
    Abstract: 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: Application
    Filed: January 14, 2016
    Publication date: March 8, 2018
    Applicant: DIC Corporation
    Inventors: Toru Ishii, Yasuhiro Kuwana, Masahiro Horiguchi, Yutaka Kadomoto, Tetsuo Kusumoto
  • Publication number: 20180037819
    Abstract: 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: Application
    Filed: August 3, 2017
    Publication date: February 8, 2018
    Inventors: Masahiro HORIGUCHI, Sayaka NOSE, Yasuhiro KUWANA, Kouichi ENDO
  • Publication number: 20180037817
    Abstract: 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: Application
    Filed: January 12, 2016
    Publication date: February 8, 2018
    Applicant: DIC Corporation
    Inventors: Yasuhiro Kuwana, Masahiro Horiguchi, Toru Ishii, Sayaka Nose, Akihiro Koiso
  • Publication number: 20180022716
    Abstract: 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: Application
    Filed: February 16, 2016
    Publication date: January 25, 2018
    Applicant: DIC Corporation
    Inventors: Masahiro Horiguchi, Yutaka Kadomoto
  • Publication number: 20180002276
    Abstract: 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: Application
    Filed: January 7, 2016
    Publication date: January 4, 2018
    Applicant: DIC Corporation
    Inventors: Yutaka Kadomoto, Masahiro Horiguchi, Akihiro Koiso
  • Publication number: 20170369783
    Abstract: 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: Application
    Filed: December 17, 2015
    Publication date: December 28, 2017
    Inventors: Masahiro HORIGUCHI, Sayaka NOSE, Akihiro KOISO
  • Publication number: 20170362508
    Abstract: 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: Application
    Filed: January 14, 2016
    Publication date: December 21, 2017
    Applicant: DIC Corporation
    Inventors: Masahiro Horiguchi, Akihiro Koiso
  • Publication number: 20170306233
    Abstract: 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: Application
    Filed: October 6, 2015
    Publication date: October 26, 2017
    Applicant: DIC Corporation
    Inventors: Masahiro Horiguchi, Yutaka Kadomoto, Tetsuo Kusumoto
  • Patent number: 9688787
    Abstract: 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: Grant
    Filed: August 14, 2015
    Date of Patent: June 27, 2017
    Assignee: DIC CORPORATION
    Inventors: Tetsuo Kusumoto, Masahiro Horiguchi, Takashi Matsumoto, Yoshio Aoki, Masanao Hayashi, Masayuki Iwakubo
  • Patent number: 9632616
    Abstract: 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: Grant
    Filed: September 13, 2013
    Date of Patent: April 25, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yasuyuki Kobayashi, Takaaki Koyama, Nobuyuki Otsuki, Masahiro Horiguchi, Yukihiro Karasawa
  • Publication number: 20170073581
    Abstract: 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: Application
    Filed: February 24, 2015
    Publication date: March 16, 2017
    Inventors: Masahiro Horiguchi, Mika Yamamoto, Yasuhiro Kuwana