Patents by Inventor Megumi Takahashi

Megumi Takahashi 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).

  • Publication number: 20210395173
    Abstract: The present disclosure provides a method for producing HFC-143 at low cost and more efficiently than when using conventional methods. Specifically, the present disclosure provides a method for producing 1,1,2-trifluoroethane (HFC-143), comprising performing one or more fluorination reactions by bringing at least one chlorine-containing compound selected from the group consisting of 2-chloro-1,1-difluoroethane (HCFC-142) and 1-chloro-1,2-difluoroethane (HCFC-142a) into contact with hydrogen fluoride to obtain a reaction gas containing HFC-143, hydrogen chloride, and hydrogen fluoride.
    Type: Application
    Filed: August 18, 2021
    Publication date: December 23, 2021
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Takehiro CHAKI, Tsubasa NAKAUE, Megumi KUSHIDA, Kazuhiro TAKAHASHI
  • Publication number: 20210372976
    Abstract: The odor exploration method explores an odor based on odor information generated using a plurality of sensor elements each outputting a detection signal according to the state of adsorption by indicating an adsorption reaction unique to each odor substance, and an arithmetic unit generating the odor information by quantifying each detection signal from the sensor elements. The method includes a detection step detecting a first gas containing odor substances, a generation step generating a first odor information group generated based on a detection result of the first gas, a preparation step preparing a second odor information group generated based on a detection of a second gas, and a calculation step calculating a sum of or a difference between the second odor information group and the first odor information group based on a sum of or difference between the odor information generated for the first gas and for the second gas using the same sensor element.
    Type: Application
    Filed: August 9, 2021
    Publication date: December 2, 2021
    Inventors: Shunichiro Kuroki, Kenichi Hashizume, Erika Terada, Megumi Takahashi, Shingo Aizawa
  • Publication number: 20210171718
    Abstract: [Problem] To provide a polysiloxanecapable of forming a cured film of a thick film with high heat resistance, a composition comprising the polysiloxane, and a method of manufacturing a cured film using the composition. [Means for Solution] To provide a polysiloxane comprising a repeating unit represented by the following formula (Ib), wherein R2 is each independently hydrogen, alkyl, aryl, alkenyl, and the like, a composition comprising the polysiloxane, and a method of manufacturing a cured film using the composition.
    Type: Application
    Filed: November 29, 2018
    Publication date: June 10, 2021
    Inventors: Naofumi YOSHIDA, Megumi TAKAHASHI, Seishi SHIBAYAMA, Katsuto TANIGUCHI, Masanobu HAYASHI, Toshiaki NONAKA
  • Publication number: 20210116811
    Abstract: [Object] To provide a positive type photosensitive composition capable of forming a cured film having high transparency [Means] The present invention provides a positive type photosensitive siloxane composition comprising: a polysiloxane, a diazonaphthoquinone derivative, an additive having a >N—C(?O)— or >N—C(?S)— structure and the capability of interacting with the polysiloxane, and a solvent. The polysiloxane and the additive interact with each other before exposure, but they lose the interaction after exposure.
    Type: Application
    Filed: April 25, 2018
    Publication date: April 22, 2021
    Inventors: Naofumi YOSHIDA, Megumi TAKAHASHI, Katsuto TANIGUCHI
  • Publication number: 20210055657
    Abstract: To provide a photosensitive siloxane composition capable of forming a pattern having a desired taper angle and a desired linewidth. [Means] The present invention provides a photosensitive siloxane composition comprising: a polysiloxane having a structure represented by the following formula (ia?): (L is an alkylene or phenylene), a photoactive agent, and a solvent.
    Type: Application
    Filed: December 27, 2018
    Publication date: February 25, 2021
    Inventors: Naofumi YOSHIDA, Takashi FUKE, Megumi TAKAHASHI, Katsuto TANIGUCHI, Toshiaki NONAKA
  • Publication number: 20200225583
    Abstract: To provide a positive type photosensitive composition capable of forming a cured film of a thick film with high heat resistance. A positive type photosensitive siloxane composition comprising a polysiloxane having a specific structure, a silanol condensation catalyst, a diazonaphtho-quinone derivative and a solvent.
    Type: Application
    Filed: September 24, 2018
    Publication date: July 16, 2020
    Inventors: Naofumi YOSHIDA, Megumi TAKAHASHI, Seishi SHIBAYAMA, Katsuto TANIGUCHI, Toshiaki NONAKA
  • Publication number: 20200201179
    Abstract: [Object] To provide a composition capable of forming a cured film having low permittivity and excellence in chemical resistance, in heat resistance and in resolution; and further to provide a production process employing the composition. [Means] The present invention provides a composition comprising: an alkali-soluble resin, namely, a polymer comprising a carboxyl-containing polymerization unit and an alkoxysilyl-containing polymerization unit; a polysiloxane; a diazonaphthoquinone derivative a compound generating acid or base when exposed to heat or light; and a solvent.
    Type: Application
    Filed: March 2, 2020
    Publication date: June 25, 2020
    Inventors: MEGUMI TAKAHASHI, Daishi Yokoyama, Naofumi Yoshida, Katsuto Taniguchi, Masahiro Kuzawa
  • Publication number: 20200124577
    Abstract: A data structure includes a main data storage area in which main data is stored, and an odor data storage area in which odor data is stored. The odor data is based on a measurement result of an odor in air measured by an odor sensor. The odor data storage area stores a plurality of pieces of the odor data. The main data storage area includes a main data ID area for storing a main data ID indicating that the stored data is the main data. The odor data storage area includes an odor data ID area for storing an odor data ID indicating that the stored data is the odor data.
    Type: Application
    Filed: December 18, 2019
    Publication date: April 23, 2020
    Inventors: Shunichiro KUROKI, Kenichi HASHIZUME, Megumi TAKAHASHI, Erika TERADA, Makoto YOSHIMURA
  • Patent number: 10606173
    Abstract: [Object] To provide a composition capable of forming a cured film having low permittivity and excellence in chemical resistance, in heat resistance and in resolution; and further to provide a production process employing the composition. [Means] The present invention provides a composition comprising: an alkali-soluble resin, namely, a polymer comprising a carboxyl-containing polymerization unit and an alkoxysilyl-containing polymerization unit; a polysiloxane; a diazonaphthoquinone derivative; a compound generating acid or base when exposed to heat or light; and a solvent.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: March 31, 2020
    Assignee: AZ Electronic Materials (Luxembourg) S.a.r.l.
    Inventors: Megumi Takahashi, Daishi Yokoyama, Naofumi Yoshida, Katsuto Taniguchi, Masahiro Kuzawa
  • Publication number: 20200096491
    Abstract: A method for preparing original data of an odor image includes a measurement result acquiring step of acquiring each measurement result measured with respect to the odor substance included in the sample in each of a plurality of sensor elements of an odor sensor, and a data processing step of generating the original data for representing the odor of the sample in the image by processing each of the acquired measurement results. Each of the sensor elements has different detection properties with respect to the odor substance. In a case where each of the original data items is represented in a small image, the odor of the sample is represented in an odor image in a predetermined display mode in which small images are assembled, and each of the small images is varied in accordance with the magnitude of the value of each original data item.
    Type: Application
    Filed: November 18, 2019
    Publication date: March 26, 2020
    Inventors: Shunichiro KUROKI, Kenichi HASHIZUME, Megumi TAKAHASHI
  • Publication number: 20200089117
    Abstract: To provide a photosensitive composition capable of easily forming a cured film having a low refractive index. The present invention provides a photosensitive siloxane composition comprising: a polysiloxane, a photosensitive agent, hollow silica particles, and a solvent. The hollow silica particles contain voids inside, and have outer surfaces subjected to hydrophobic treatment.
    Type: Application
    Filed: June 4, 2018
    Publication date: March 19, 2020
    Inventors: Naofumi YOSHIDA, Megumi TAKAHASHI, Katsuto TANIGUCHI, Toshiaki NONAKA
  • Publication number: 20200073241
    Abstract: [Object] To provide a positive type photosensitive composition capable of forming a cured film having high transparency [Means] The present invention provides apositive type photosensitive siloxane composition comprising: a polysiloxane, a diazonaphthoquinone derivative, an additive having a quaternaryammonium structureandthecapability of interacting with the polysiloxane, and a solvent. The polysiloxane and the additive interact with each other before exposure, but they lose the interaction after exposure.
    Type: Application
    Filed: April 25, 2018
    Publication date: March 5, 2020
    Inventors: Naofumi YOSHIDA, Megumi TAKAHASHI, Katsuto TANIGUCHI
  • Patent number: 10409161
    Abstract: To provide a positive type photosensitive composition capable of forming a pattern of high resolution, of high heat resistance and of high transparency without emitting harmful volatile substances such as benzene, also capable of reducing pattern defects caused by development residues, by undissolved residues, or by reattached hardly-soluble trace left in pattern formation, and further capable of being excellent in storage stability. The present invention provides a positive type photosensitive siloxane composition comprising: a polysiloxane having a phenyl group, a diazonaphthoquinone derivative, a hydrate or solvate of a photo base-generator having a particular nitrogen-containing hetero-cyclic structure, and an organic solvent.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: September 10, 2019
    Assignee: AZ Electronic Materials (Luxembourg) S.a.r.l.
    Inventors: Motoki Misumi, Daishi Yokoyama, Megumi Takahashi, Toshiaki Nonaka
  • Patent number: 10379042
    Abstract: Provided is a Fourier transform-type spectroscopic device capable of improving an acquisition speed of a molecular vibration spectrum. The Fourier transform-type spectroscopic device (1) of the present invention rotates a scanning mirror (26b) by rotation of a rotating shaft (26a) to change a light path length of scanning light and delay or advance the scanning light with respect to reference light in accordance with a rotation angle of the scanning mirror (26b) from an initial position, and is thus capable of moving the scanning mirror (26b) at a high speed as compared with a case where a movable mirror is mechanically moved as in a conventional Fourier transform-type spectroscopic device, thereby improving an acquisition speed of a molecular vibration spectrum.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: August 13, 2019
    Assignee: The University of Tokyo
    Inventors: Takuro Ideguchi, Kazuki Hashimoto, Megumi Takahashi, Yusuke Sakaki, Keisuke Goda
  • Publication number: 20190077961
    Abstract: [Object] To provide a composition capable of forming a cured film having low permittivity and excellence in chemical resistance, in heat resistance and in resolution; and further to provide a production process employing the composition. [Means] The present invention provides a composition comprising: an alkali-soluble resin, namely, a polymer comprising a carboxyl-containing polymerization unit and an alkoxysilyl-containing polymerization unit; a polysiloxane; a diazonaphthoquinone derivative; a compound generating acid or base when exposed to heat or light; and a solvent.
    Type: Application
    Filed: March 23, 2017
    Publication date: March 14, 2019
    Inventors: MEGUMI TAKAHASHI, Daishi YOKOYAMA, Naofumi YOSHIDA, Katsuto TANIGUCHI, Masahiro KUZAWA
  • Publication number: 20190064660
    Abstract: To provide a positive type photosensitive composition capable of forming a pattern of high resolution, of high heat resistance and of high transparency without emitting harmful volatile substances such as benzene, also capable of reducing pattern defects caused by development residues, by undissolved residues, or by reattached hardly-soluble trace left in pattern formation, and further capable of being excellent in storage stability. The present invention provides a positive type photosensitive siloxane composition comprising: a polysiloxane having a phenyl group, a diazonaphthoquinone derivative, a hydrate or solvate of a photo base-generator having a particular nitrogen-containing hetero-cyclic structure, and an organic solvent.
    Type: Application
    Filed: January 20, 2017
    Publication date: February 28, 2019
    Applicant: AZ Electronic Materials (Luxembourg) S.à r.l.
    Inventors: Motoki MISUMI, Daishi YOKOYAMA, Megumi TAKAHASHI, Toshiaki NONAKA
  • Publication number: 20180321143
    Abstract: Provided is a Fourier transform-type spectroscopic device capable of improving an acquisition speed of a molecular vibration spectrum. The Fourier transform-type spectroscopic device (1) of the present invention rotates a scanning mirror (26b) by rotation of a rotating shaft (26a) to change a light path length of scanning light and delay or advance the scanning light with respect to reference light in accordance with a rotation angle of the scanning mirror (26b) from an initial position, and is thus capable of moving the scanning mirror (26b) at a high speed as compared with a case where a movable mirror is mechanically moved as in a conventional Fourier transform-type spectroscopic device, thereby improving an acquisition speed of a molecular vibration spectrum.
    Type: Application
    Filed: December 28, 2016
    Publication date: November 8, 2018
    Inventors: Takuro Ideguchi, Kazuki Hashimoto, Megumi Takahashi, Yusuke Sakaki, Keisuke Goda
  • Patent number: 9701834
    Abstract: A resin composition includes butadiene rubber particles having an average particle diameter in a range of 1 ?m to 2 ?m, and an acrylonitrile-styrene copolymer resin.
    Type: Grant
    Filed: February 18, 2015
    Date of Patent: July 11, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventor: Megumi Takahashi
  • Patent number: 9684240
    Abstract: To provide a negative-working photosensitive siloxane composition developable inorganically, and also to provide a cured film-manufacturing method employing that. The present invention provides a negative-working photosensitive siloxane composition comprising a polysiloxane, a silicon-containing compound having an ureido bond, a polymerization initiator, and a solvent. This composition is coat on a substrate, exposed to light, and developed, so that a cured film can be obtained without carrying out post-exposure baking.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: June 20, 2017
    Assignee: AZ Electronic Materials (Luxembourg) S.à.r.l.
    Inventors: Daishi Yokoyama, Atsuko Noya, Yuji Tashiro, Naofumi Yoshida, Yasuaki Tanaka, Takashi Fuke, Megumi Takahashi, Katsuto Taniguchi, Toshiaki Nonaka
  • Patent number: 9505888
    Abstract: [Problem] An object of the present invention is to provide a composite of metal oxide nanoparticles and a silsesquioxane polymer, which can form a high-quality cured film wherein aggregation and the like of metal oxide do not occur during a curing process and the metal oxide is uniformly dispersed. [Means for Solution] Provided are: a method of producing a composite of metal oxide nanoparticles and a silsesquioxane polymer, the method comprising reacting a silsesquioxane polymer having a silanol group at a terminal, or a silane monomer with metal oxide nanoparticles having a hydroxyl group or an alkoxy group on the surface in an aqueous solvent in the presence of a phase transfer catalyst; and a composite produced by the method.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: November 29, 2016
    Assignee: AZ ELECTRONIC MATERIALS (LUXEMBOURG) S.A.R.L.
    Inventors: Naofumi Yoshida, Yuji Tashiro, Daishi Yokoyama, Yasuaki Tanaka, Takashi Fuke, Megumi Takahashi, Toshiaki Nonaka