Patents by Inventor Takeo Kawase

Takeo Kawase 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: 20210129074
    Abstract: An acidic gas separation device includes: a first separation device which has an inorganic separation membrane and is configured to separate a gaseous hydrocarbon fluid containing an acidic gas into a first gaseous fluid having a large acidic gas content and a second gaseous fluid having a smaller acidic gas content than the first gaseous fluid by the inorganic separation membrane; and a second separation device which has an organic polymer separation membrane and is configured to separate the second gaseous fluid into a third gaseous fluid having a large acidic gas content and a fourth gaseous fluid having a smaller acidic gas content than the third gaseous fluid by the organic polymer separation membrane.
    Type: Application
    Filed: June 18, 2018
    Publication date: May 6, 2021
    Applicant: Japan Oil, Gas and Metals National Corporation
    Inventors: Yoshinori MASHIKO, Minoru MORITA, Takeo KAWASE, Yosuke KUNISHI
  • Patent number: 10978740
    Abstract: The objective of the present invention is to provide an electrolyte solution of which electrolyte salt concentration is high and by which cycle characteristics hardly deteriorate and battery lifetime can be extended, and a lithium ion secondary battery which contains the above electrolyte solution. The electrolyte solution of the present invention comprises an electrolyte salt and a solvent, wherein a concentration of the electrolyte salt is more than 1.1 mol/L, the electrolyte salt contains a compound represented by the following formula (1): (XSO2) (FSO2)NLi (1) (wherein X is a fluorine atom, a C1-6 alkyl group or a C1-6 fluoroalkyl group), and the solvent contains a cyclic carbonate.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: April 13, 2021
    Assignee: NIPPON SHOKUBAI CO., LTD.
    Inventors: Hiroyuki Mizuno, Kazuhisa Hirata, Takeo Kawase, Izuho Okada, Hiromoto Katsuyama, Miwako Tominaga, Masayuki Okajima
  • Publication number: 20190152792
    Abstract: The present invention provides a method for producing a bis (fluorosulfonyl) imide alkali metal salt by a reaction of a mixture containing bis (fluorosulfonyl) imide and an alkali metal compound is provided. According to this method for producing a bis (fluorosulfonyl) imide alkali metal salt, a total of weight ratios of the bis (fluorosulfonyl) imide, the alkali metal compound and the bis (fluorosulfonyl) imide alkali metal salt to an entire reacted mixture is not less than 0.8, after the reaction.
    Type: Application
    Filed: May 23, 2017
    Publication date: May 23, 2019
    Applicants: MORITA CHEMICAL INDUSTRIES CO., LTD., NIPPON SHOKUBAI CO., LTD.
    Inventors: Kenji Yamada, Hirotsugu Shimizu, Yasunori Okumura, Masayuki Okajima, Takeo Kawase, Hiromoto Katsuyama, Hiroyuki Mizuno, Yukihiro Fukata, Naohiko Itayama
  • Patent number: 10290900
    Abstract: A non-aqueous electrolytic solution capable of suppressing reduction in capacity, cycle characteristics, and/or rate characteristics even when used under high voltage conditions after being stored under high temperature conditions (e.g., 60° C. or higher); and a lithium ion secondary battery using these non-aqueous electrolytic solutions are provided. The non-aqueous electrolytic solution of the present invention comprise an anion represented by the following general formula (1), a lithium cation, and a compound represented by the following general formula (2A) and/or an acid anhydride having an aromatic ring and at least one structure represented by —C(?O)—O—C(?O)— in a molecule, wherein a concentration of the anion represented by the general formula (1) is 0.1 mol/L or more.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: May 14, 2019
    Assignee: NIPPON SHOKUBAI CO., LTD.
    Inventors: Hiroyuki Mizuno, Takayuki Kobatake, Hiromoto Katsuyama, Shin-ya Shibata, Takeo Kawase, Kazuhisa Hirata
  • Patent number: 9966604
    Abstract: An electrochemical device manufactured using an electrode layer in which severe increase of electrode resistance is prevented and/or a solid electrolyte layer in which severe decrease of ion conductivity of a solid electrolyte is prevented is provided. The electrochemical device includes a pair of electrode layers, and a solid electrolyte layer provided between the pair of electrode layers, wherein at least one layer of the electrode layers and the solid electrolyte layer is composed of first particles each providing a function of the at least one layer, second particles and a binder which is composed of an organic polymer and binds the first and second particles, and wherein the at least one layer is formed from a mixture material containing the first particles and binder particles, each of the binder particles including the second particle and the binder carried on at least a part of a surface thereof.
    Type: Grant
    Filed: December 5, 2014
    Date of Patent: May 8, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Shigeo Kondo, Yasumasa Takeuchi, Yuji Shinohara, Takeo Kawase
  • Publication number: 20170117582
    Abstract: A non-aqueous electrolytic solution capable of suppressing reduction in capacity, cycle characteristics, and/or rate characteristics even when used under high voltage conditions after being stored under high temperature conditions (e.g., 60° C. or higher); and a lithium ion secondary battery using these non-aqueous electrolytic solutions are provided. The non-aqueous electrolytic solution of the present invention comprise an anion represented by the following general formula (1), a lithium cation, and a compound represented by the following general formula (2A) and/or an acid anhydride having an aromatic ring and at least one structure represented by —C(?O)—O—C(?O)— in a molecule, wherein a concentration of the anion represented by the general formula (1) is 0.1 mol/L or more.
    Type: Application
    Filed: March 25, 2015
    Publication date: April 27, 2017
    Applicant: NIPPON SHOKUBAI CO., LTD.
    Inventors: Hiroyuki MIZUNO, Takayuki KOBATAKE, Hiromoto KATSUYAMA, Shin-ya SHIBATA, Takeo KAWASE, Kazuhisa HIRATA
  • Publication number: 20150380768
    Abstract: The objective of the present invention is to provide an electrolyte solution of which electrolyte salt concentration is high and by which cycle characteristics hardly deteriorate and battery lifetime can be extended, and a lithium ion secondary battery which contains the above electrolyte solution. The electrolyte solution of the present invention comprises an electrolyte salt and a solvent, wherein a concentration of the electrolyte salt is more than 1.1 mol/L, the electrolyte salt contains a compound represented by the following formula (1): (XSO2) (FSO2)NLi (1) (wherein X is a fluorine atom, a C1-6 alkyl group or a C1-6 fluoroalkyl group), and the solvent contains a cyclic carbonate.
    Type: Application
    Filed: February 18, 2014
    Publication date: December 31, 2015
    Inventors: Hiroyuki MIZUNO, Kazuhisa HIRATA, Takeo KAWASE, Izuho OKADA, Hiromoto KATSUYAMA, Miwako TOMINAGA, Masayuki OKAJIMA
  • Publication number: 20150086874
    Abstract: An electrochemical device manufactured using an electrode layer in which severe increase of electrode resistance is prevented and/or a solid electrolyte layer in which severe decrease of ion conductivity of a solid electrolyte is prevented is provided. The electrochemical device includes a pair of electrode layers, and a solid electrolyte layer provided between the pair of electrode layers, wherein at least one layer of the electrode layers and the solid electrolyte layer is composed of first particles each providing a function of the at least one layer, second particles and a binder which is composed of an organic polymer and binds the first and second particles, and wherein the at least one layer is formed from a mixture material containing the first particles and binder particles, each of the binder particles including the second particle and the binder carried on at least a part of a surface thereof.
    Type: Application
    Filed: December 5, 2014
    Publication date: March 26, 2015
    Inventors: Shigeo KONDO, Yasumasa TAKEUCHI, Yuji SHINOHARA, Takeo KAWASE
  • Patent number: 8895194
    Abstract: A solid electrolyte material of conducting a lithium ion comprises a sulfide-based lithium-ion conductor and ?-alumina. Such a solid electrolyte material exhibits superior lithium-ion conductivity. Further, a battery device provided with such a solid electrolyte material is also provided. Furthermore, an all-solid lithium-ion secondary battery provided with such a battery device is also provided.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: November 25, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Kondo Shigeo, Takeuchi Yasumasa, Yuji Shinohara, Takeo Kawase
  • Patent number: 8778543
    Abstract: A sulfide-based lithium-ion-conducting solid electrolyte glass is formed from sulfide-based lithium-ion-conducting solid electrolyte, and ?-alumina.
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: July 15, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Yuji Shinohara, Takeo Kawase, Shigeo Kondo
  • Patent number: 8698142
    Abstract: The present invention provides an organic semiconductor element which has a low hygroscopic property and whose property is hardly deteriorated with time and an electronic device and electronic equipment each provided with such an organic semiconductor element and having high reliability. The organic semiconductor element of the present invention includes: a source electrode 20a; a drain electrode 20b; a gate electrode 50; a gate insulating layer 40; an organic semiconductor layer 30; and a buffer layer (another insulating layer) 60, wherein at least one of the gate insulating layer 40 and the buffer layer 60 contains an insulating polymer with a main chain having both end portions and including repeating units represented by the following general formula (1) or (2): where R1 and R2 are the same or different and each of R1 and R2 is a divalent linkage group, and Y is an oxygen atom or a sulfur atom.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: April 15, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Takuro Yasuda, Takeo Kawase, Junichi Karasawa, Keiichi Inoue, Kazushi Omote, Tomoya Arai, Keiko Ando, Yoshinobu Asako
  • Patent number: 8674978
    Abstract: An electrophoretic display includes: a plurality of spatially divided cells; and plural types of color substances contained in each of the cells wherein a display color is controlled by controlling electrophoresis of the colored substances within the cells, wherein each of a first cell, a second cell and a third cell included in the plurality of cells includes a first color substance corresponding to a mutually differing one of three primary colors in additive color mixing or subtractive color mixing and a second color substance in a relationship of complementary colors with the first color substance, wherein the first cell is controlled to be in a display state by the first color substance, and the second and third cells are controlled to be in a display state by the second color substance, respectively.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: March 18, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Harunobu Komatsu, Takeo Kawase, Masashi Kanai, Kenji Fukasawa
  • Publication number: 20140072883
    Abstract: An electrochemical device manufactured using an electrode layer in which severe increase of electrode resistance is prevented and/or a solid electrolyte layer in which severe decrease of ion conductivity of a solid electrolyte is prevented is provided. The electrochemical device includes a pair of electrode layers, and a solid electrolyte layer provided between the pair of electrode layers, wherein at least one layer of the electrode layers and the solid electrolyte layer is composed of first particles each providing a function of the at least one layer, second particles and a binder which is composed of an organic polymer and binds the first and second particles, and wherein the at least one layer is formed from a mixture material containing the first particles and binder particles, each of the binder particles including the second particle and the binder carried on at least a part of a surface thereof.
    Type: Application
    Filed: November 15, 2013
    Publication date: March 13, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Shigeo KONDO, Yasumasa TAKEUCHI, Yuji SHINOHARA, Takeo KAWASE
  • Patent number: 8643440
    Abstract: An electric circuit includes: a reference signal generation circuit that generates a reference signal based on a first oscillation signal that is an oscillation signal of a first oscillation circuit that vibrates a first vibrator; and a counter circuit that counts a second oscillation signal that is an oscillation signal of a second oscillation circuit that vibrates a second vibrator based on the reference signal, and outputs a count signal, wherein the count signal is a change of the count value in the second oscillation signal.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: February 4, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Takayuki Kondo, Masayoshi Todorokihara, Yoshihiko Nimura, Takeo Kawase
  • Patent number: 8614020
    Abstract: An electrochemical device manufactured using an electrode layer in which severe increase of electrode resistance is prevented and/or a solid electrolyte layer in which severe decrease of ion conductivity of a solid electrolyte is prevented is provided. The electrochemical device includes a pair of electrode layers, and a solid electrolyte layer provided between the pair of electrode layers, wherein at least one layer of the electrode layers and the solid electrolyte layer is composed of first particles each providing a function of the at least one layer, second particles and a binder which is composed of an organic polymer and binds the first and second particles, and wherein the at least one layer is formed from a mixture material containing the first particles and binder particles, each of the binder particles including the second particle and the binder carried on at least a part of a surface thereof.
    Type: Grant
    Filed: September 24, 2008
    Date of Patent: December 24, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Shigeo Kondo, Yasumasa Takeuchi, Yuji Shinohara, Takeo Kawase
  • Patent number: 8553312
    Abstract: An electronic device includes a substrate, a functional element formed on the substrate, an electrolytic element provided on at least one of a side of the substrate on which the functional element is formed and a side of the substrate opposite to the side on which the functional element is formed, configured including a solid-state electrolyte layer and a pair of electrodes for holding the solid-state electrolyte layer in between, and capable of applying electrolysis to water, and a sealing member for sealing the functional element and the electrolytic element.
    Type: Grant
    Filed: August 23, 2007
    Date of Patent: October 8, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Takeo Kawase
  • Patent number: 8526099
    Abstract: A method for manufacturing microcapsules is provided. The microcapsules each include an electrophoretic dispersion liquid containing at least one type of electrophoretic particles in a dispersion medium, and a capsule body made of an organic polymer and containing the electrophoretic dispersion liquid. The method includes forming droplets of the electrophoretic dispersion liquid by dispersing the electrophoretic dispersion liquid in an polar dispersion medium, and forming the capsule bodies by mixing a polymerization initiator and a polymerizable surfactant having a hydrophilic group, a hydrophobic group and a polymerizable group with the polar dispersion medium so as to coat the droplets with the polymerizable surfactant and induce a polymerization reaction to form the organic polymer.
    Type: Grant
    Filed: April 19, 2006
    Date of Patent: September 3, 2013
    Assignee: Seiko Epson Corporation
    Inventors: Hitoshi Yamamoto, Takeo Kawase, Toshiyuki Miyabashi
  • Patent number: 8258406
    Abstract: In at least one embodiment of the disclosure, a display device includes a first substrate and a second substrate. A layer is located between the first substrate and the second substrate. The layer includes a first region and a second region. The first region comprises an electrophoretic display layer having electrophoretic particles. The second region is located between the first region and an edge of the first substrate and includes a contact portion. The distance between the first substrate and the second substrate corresponding to the second region is smaller than the distance between the first substrate and the second substrate corresponding to the first region.
    Type: Grant
    Filed: October 5, 2010
    Date of Patent: September 4, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Takeo Kawase, Hitoshi Yamamoto, Takehisa Saeki, Tsutomu Miyamoto
  • Patent number: 8238020
    Abstract: Provided is a method of producing an electrophoretic display sheet having a substrate and a microcapsule-containing layer disposed on one surface side of the substrate and including microcapsules and a binder holding the microcapsules, the microcapsules each composed of a shell and an electrophoretic dispersion liquid sealed in the shell and containing at least one type of electrophoretic particles. The method includes the step of forming the microcapsule-containing layer where the microcapsules are arranged in a single layer without overlapping in the thickness direction of the substrate by supplying a microcapsule dispersion containing the microcapsules and the binder onto the substrate and then pressurizing the microcapsule dispersion in the thickness direction of the substrate.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: August 7, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Hitoshi Yamamoto, Akira Matsumoto, Takeo Kawase, Hironobu Hashimoto
  • Patent number: 8217857
    Abstract: A display, comprising: a planar display section; a pixel space provided next to a side adjacent to one surface of the display section and encapsulating a plurality of kinds of colorants, each kind having a different color; an accumulation section provided in the pixel space and accumulating the colorants; a separation system that separates a specific kind of colorant from the accumulated colorants in the accumulation section; a transfer system that selects at least one kind of colorant from the separated colorants and transfers this colorant to the side adjacent to the display section of the pixel space. The separation system performs separation utilizing the magnitude of a dielectrophoretic force generated in each colorant upon receipt of an alternating electric field of a specific frequency applied by this system, the magnitude varying depending on the kind of the colorant. A color of at least the one kind of colorant transferred by the transfer system is displayed at the display section.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: July 10, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Takeo Kawase, Takayuki Kondo, Hitoshi Fukushima, Yuji Shinohara