Patents by Inventor Makoto Negishi

Makoto Negishi 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: 10414979
    Abstract: An object of the present invention is to provide a composition that has positive ??, exhibits a liquid crystal phase over a wide temperature range, has low viscosity, excellent solubility at low temperatures, and high resistivity and voltage holding ratio, and is stable against heat and light. By using this composition, IPS or TN liquid crystal display devices and the like that have excellent display quality and suppress display failures such as image-sticking and drop marks are provided in high yield. Provided is a composition that contains at least one selected from the group consisting of compounds represented by general formulae (i) and (ii) and at least one selected from compounds represented by general formula (iii). Moreover, a liquid crystal display device using the composition and an IPS or FFS device that uses the composition are provided.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: September 17, 2019
    Assignee: DIC CORPORATION
    Inventors: Shinji Ogawa, Makoto Negishi, Yoshinori Iwashita
  • Patent number: 10400168
    Abstract: An object of the present invention is to provide a composition that has positive ??, exhibits a liquid crystal phase over a wide temperature range, has low viscosity, excellent solubility at low temperatures, and high resistivity and voltage holding ratio, and is stable against heat and light. By using this composition, IPS or TN liquid crystal display devices and the like that have excellent display quality and suppress display failures such as image-sticking and drop marks are provided in high yield. Provided is a composition that contains at least one selected from the group consisting of compounds represented by general formulae (i) and (ii) and at least one compound represented by general formula (iii). Also provided is a liquid crystal display device that uses the composition and an IPS or FFS device that uses the composition.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: September 3, 2019
    Assignee: DIC CORPORATION
    Inventors: Shinji Ogawa, Makoto Negishi, Yoshinori Iwashita
  • Publication number: 20190119573
    Abstract: The present inventors have completed the present invention by examining various liquid crystal compounds and various chemical substances and finding that particular liquid crystal compounds can he combined to achieve the object. The composition contains compounds represented by the general formulae (i) to (vi). The liquid crystal display device contains the composition.
    Type: Application
    Filed: May 25, 2017
    Publication date: April 25, 2019
    Applicant: DIC Corporation
    Inventors: Go Sudo, Makoto Negishi
  • Publication number: 20180285968
    Abstract: A method using a computer includes receiving a plurality of request signals each of which requests opening an account, transmitting, to a first financial system, a first request signal of the plurality of request signals which requests opening a first account in the first financial system, transmitting, to at least one of the first financial system and a second financial system, a second request signal of the plurality of request signals which requests opening a second account in at least one of the first financial system and the second financial system, associating first information indicating the first account with second information indicating the second account, and outputting third information obtained by associating the first information with the second information.
    Type: Application
    Filed: March 12, 2018
    Publication date: October 4, 2018
    Applicant: FUJITSU LIMITED
    Inventors: MAKOTO NEGISHI, Shigeru Kira, NODOKA NAKAMURA, Xin Wang, NOBUAKI TAKAHASHI
  • Patent number: 10031384
    Abstract: An object of the present invention is to provide a liquid crystal display element using a liquid crystal composition having negative dielectric anisotropy, which is capable of realizing excellent display properties by being used in an FFS mode liquid crystal display element without deteriorating various properties, as a liquid crystal display element, such as dielectric anisotropy, viscosity, a nematic phase upper limit temperature, nematic phase stability at low temperature, and ?1, and burn-in characteristics of the display element. Provided is an FFS mode liquid crystal display element using an n-type liquid crystal composition so as to achieve the above object.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: July 24, 2018
    Assignee: DIC CORPORATION
    Inventors: Shinji Ogawa, Yoshinori Iwashita, Makoto Negishi, Hiromitsu Kishi
  • Publication number: 20180148647
    Abstract: An object of the present invention is to provide a composition which has a positive ??, a liquid crystal phase over a wide temperature range, a low viscosity, an excellent solubility at low temperature, high specific resistance, high voltage holding ratio, and stability against heat or light, and further provide a liquid crystal display element such as an IPS type or a TN type, which has excellent display qualities by using the composition, and in which display defects such as burn-in or drop marks are hardly caused, at a high yield. The present invention provides a composition including one or more compounds represented by General Formula (i); and a compound represented by Formula (L-1-2.2), and a liquid crystal display element using the composition and an IPS element or a FFS element using the composition.
    Type: Application
    Filed: June 2, 2016
    Publication date: May 31, 2018
    Applicant: DIC Corporation
    Inventors: Shirou Taniguchi, Makoto Negishi
  • Patent number: 9963636
    Abstract: The present invention relates to a liquid crystal composition used in a liquid crystal display device. A problem to be solved by the invention is to provide a liquid crystal composition and a liquid crystal display device using the liquid crystal composition, the liquid crystal composition being suitable for a liquid crystal display device, causing little dropping marks during manufacture and realizing stable discharge of a liquid crystal material in an ODF process without degrading characteristics as a liquid crystal display device, such as dielectric anisotropy, bulk viscosity, nematic phase upper limit temperature, rotational viscosity ?1, voltage holding ratio, etc. and image sticking characteristic of a display device. The present invention relates to a liquid crystal composition having negative dielectric anisotropy and containing compounds represented by formula (i) and formula (XIII-1-2) or formula (XIII-1-4) and also relates to a liquid crystal display device using the liquid crystal composition.
    Type: Grant
    Filed: February 12, 2013
    Date of Patent: May 8, 2018
    Assignee: DIC CORPORATION
    Inventors: Yoshinori Iwashita, Joji Kawamura, Makoto Negishi, Shinji Ogawa
  • Patent number: 9938463
    Abstract: There is provided a liquid crystal display device that uses such a liquid crystal composition is also provided. Provided is a liquid crystal composition that includes a first component which is at least one selected from the group consisting of compounds represented by general formula (1) and a second component which is at least one component selected from the group consisting of compounds represented by general formula (2). Also provided is a liquid crystal display device that uses a liquid crystal composition that contains the first component and the second component.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: April 10, 2018
    Assignee: DIC CORPORATION
    Inventors: Shinji Ogawa, Yoshinori Iwashita, Joji Kawamura, Makoto Negishi
  • Patent number: 9828549
    Abstract: There is provided a liquid crystal composition containing any one or two or more of compounds represented by general formula (i) below and any one or two or more of compounds represented by general formula (ii) below.
    Type: Grant
    Filed: February 20, 2013
    Date of Patent: November 28, 2017
    Assignee: DIC CORPORATION
    Inventors: Joji Kawamura, Makoto Negishi, Yoshinori Iwashita
  • Patent number: 9822304
    Abstract: It is an object of the present invention to provide a liquid crystal composition having positive ??, having a liquid crystal phase in a wide temperature range, having high solubility at low temperatures, having high ODF process compatibility, having a high specific resistance and voltage holding ratio, and being insensitive to heat and light. In order to achieve this object, there is provided a liquid crystal composition containing at least one compound represented by the following general formula (i) and at least one compound represented by the following general formula (ii).
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: November 21, 2017
    Assignee: DIC CORPORATION
    Inventors: Joji Kawamura, Makoto Negishi, Yoshinori Iwashita
  • Publication number: 20170306231
    Abstract: An object of the present invention is to provide a composition that has positive ??, exhibits a liquid crystal phase over a wide temperature range, has low viscosity, excellent solubility at low temperatures, and high resistivity and voltage holding ratio, and is stable against heat and light. By using this composition, IPS or TN liquid crystal display devices and the like that have excellent display quality and suppress display failures such as image-sticking and drop marks are provided in high yield. Provided is a composition that contains at least one selected from the group consisting of compounds represented by general formulae (i) and (ii) and at least one compound represented by general formula (iii). Also provided is a liquid crystal display device that uses the composition and an IPS or FFS device that uses the composition.
    Type: Application
    Filed: August 25, 2015
    Publication date: October 26, 2017
    Applicant: DIC Corporation
    Inventors: Shinji Ogawa, Makoto Negishi, Yoshinori Iwashita
  • Publication number: 20170255048
    Abstract: An object of the present invention is to provide a liquid crystal display element using a liquid crystal composition having negative dielectric anisotropy, which is capable of realizing excellent display properties by being used in an FFS mode liquid crystal display element without deteriorating various properties, as a liquid crystal display element, such as dielectric anisotropy, viscosity, a nematic phase upper limit temperature, nematic phase stability at low temperature, and ?1, and burn-in characteristics of the display element. Provided is an FFS mode liquid crystal display element using an n-type liquid crystal composition so as to achieve the above object.
    Type: Application
    Filed: July 27, 2015
    Publication date: September 7, 2017
    Applicant: DIC CORPORATION
    Inventors: Shinji Ogawa, Yoshinori Iwashita, Makoto Negishi, Hiromitsu Kishi
  • Publication number: 20170226420
    Abstract: An object of the present invention is to provide a composition that has positive ??, exhibits a liquid crystal phase over a wide temperature range, has low viscosity, excellent solubility at low temperatures, and high resistivity and voltage holding ratio, and is stable against heat and light. By using this composition, IPS or TN liquid crystal display devices and the like that have excellent display quality and suppress display failures such as image-sticking and drop marks are provided in high yield. Provided is a composition that contains at least one selected from the group consisting of compounds represented by general formulae (i) and (ii) and at least one selected from compounds represented by general formula (iii). Moreover, a liquid crystal display device using the composition and an IPS or FFS device that uses the composition are provided.
    Type: Application
    Filed: August 25, 2015
    Publication date: August 10, 2017
    Applicant: DIC CORPORATION
    Inventors: Shinji Ogawa, Makoto Negishi, Yoshinori Iwashita
  • Publication number: 20170210986
    Abstract: An object of the present invention is to provide a liquid crystal display element which is provided with a photo-alignment film, and does not deteriorate various properties, as a liquid crystal display element, such as dielectric anisotropy, viscosity, a nematic phase upper limit temperature, nematic phase stability at low temperature, and ?1, and burn-in characteristics of the display element. The present invention provides a liquid crystal display element which is excellent in stability at low temperature while maintaining high-speed responsiveness of the liquid crystal composition by using a liquid crystal composition containing a compound represented by General Formula (I) and a compound represented by General Formula (II). Provided is an FFS mode liquid crystal display element using a p-type liquid crystal composition.
    Type: Application
    Filed: July 27, 2015
    Publication date: July 27, 2017
    Applicant: DIC Corporation
    Inventors: Shinji Ogawa, Yoshinori Iwashita, Makoto Negishi, Hiromitsu Kishi
  • Patent number: 9688913
    Abstract: A liquid crystal composition includes one or more of compounds represented by general formula (i) below and one or more of compounds represented by general formula (ii) below. In the formulae, R11a and R21a each independently represent an alkyl group having 1 to 8 carbon atoms where one —CH2— or two or more non-adjacent —CH2— in the alkyl group may each independently be substituted with —CH?CH—, —C?C—, —O—, —CO—, —COO—, or —OCO—; one or more hydrogen atoms in the alkyl group may be substituted with a fluorine atom or a chlorine atom; X11a, X12a, X13a, X14a, and X21a each independently represent a hydrogen atom or a fluorine atom; A21a, A22a, and A23a each independently represent a trans-1,4-cyclohexylene group or a 1,4-phenylene group whose hydrogen atom may be substituted with a fluorine atom or a chlorine atom.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: June 27, 2017
    Assignee: DIC CORPORATION
    Inventors: Joji Kawamura, Masahiro Niwa, Makoto Negishi
  • Patent number: 9683170
    Abstract: There is provided a liquid crystal composition which is suitably used in a liquid crystal display device without impairment of properties inherent in liquid crystal display devices. There is provided a liquid crystal display device in which such a liquid crystal composition is used. There is provided a liquid crystal composition having a negative dielectric anisotropy and containing a compound represented by Formula (I-1) and at least one compound represented by General Formula (II) and also provided a liquid crystal display device in which such a liquid crystal composition is used.
    Type: Grant
    Filed: March 26, 2013
    Date of Patent: June 20, 2017
    Assignee: DIC CORPORATION
    Inventors: Yoshinori Iwashita, Makoto Negishi
  • Patent number: 9650572
    Abstract: There is provided a liquid crystal composition containing at least any one of compounds represented by General Formula (i) and at least any one of compounds represented by General Formula (ii).
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: May 16, 2017
    Assignee: DIC CORPORATION
    Inventors: Joji Kawamura, Makoto Negishi, Yoshinori Iwashita
  • Publication number: 20170121604
    Abstract: There is provided a liquid crystal composition having a negative dielectric anisotropy and containing at least one compound represented by General Formula (I) and at least one compound represented by General Formula (II). There is also provided a liquid crystal display device involving use of such a liquid crystal composition having a negative dielectric anisotropy and containing at least one compound represented by General Formula (I) and at least one compound represented by General Formula (II).
    Type: Application
    Filed: January 11, 2017
    Publication date: May 4, 2017
    Applicant: DIC CORPORATION
    Inventors: Yoshinori Iwashita, Makoto Negishi
  • Patent number: 9637684
    Abstract: Provided is a composition which has a liquid phase over a wide temperature range, a low viscosity, an excellent solubility at low temperature, high specific resistance, high voltage retention rate, and stability against heat or light, and further a liquid crystal display element of, for example, such as an IPS type or a TN type, which has excellent display qualities by using the composition, and in which display defects such as burn-in or drip marks are hardly caused, at a high yield. Provided is a composition including one or more compounds represented by General Formula (i), one or more compounds represented by General Formula (M-1), and one or more compounds represented by General Formula (M-4), and a liquid crystal display element using the composition.
    Type: Grant
    Filed: September 4, 2014
    Date of Patent: May 2, 2017
    Assignee: DIC CORPORATION
    Inventors: Makoto Negishi, Yoshinori Iwashita
  • Patent number: 9580654
    Abstract: It is an object of the present invention to provide a liquid crystal composition having a positive ?? as well as a liquid crystal phase in a wide temperature range, good solubility at low temperature, excellent adaptability to an ODF process, high specific resistance, a high voltage holding ratio, and stability to heat and light. In order to achieve this object, a liquid crystal composition containing a compound represented by Formula (i) and a compound represented by Formula (ii) is provided.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: February 28, 2017
    Assignee: DIC CORPORATION
    Inventors: Joji Kawamura, Makoto Negishi, Yoshinori Iwashita