Patents by Inventor Masaru Nakagawa

Masaru Nakagawa 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: 20190305371
    Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuK? rays, it has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 2?=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2<c+d<1.9??(1) 0.845<SA/SB<1.200??(A) where SA is an area of the diffraction peak A and SB is an area of the diffraction peak B.
    Type: Application
    Filed: June 20, 2019
    Publication date: October 3, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Futoshi UTSUNO, Kota Terai, Takashi Umeki, Masaru Nakagawa, Hiroshi Yamaguchi
  • Patent number: 10374253
    Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuK? rays, it has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 2?=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2<c+d<1.9??(1) 0.845<SA/SB<1.200??(A) where SA is an area of the diffraction peak A and SB is an area of the diffraction peak B.
    Type: Grant
    Filed: January 4, 2019
    Date of Patent: August 6, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Futoshi Utsuno, Kota Terai, Takashi Umeki, Masaru Nakagawa, Hiroshi Yamaguchi
  • Publication number: 20190181497
    Abstract: A method for producing a solid electrolyte, comprising: grinding raw materials comprising lithium sulfide and phosphorus sulfide in a hydrocarbon solvent, optionally comprising stirring a slurry comprising the raw materials and the hydrocarbon solvent in a reaction vessel, and optionally, circulating the slurry through a connecting pipe, wherein the method is carried out in an apparatus comprising the grinder, the reaction vessel and the connecting pipe that connects the grinder and the reaction vessel.
    Type: Application
    Filed: December 26, 2018
    Publication date: June 13, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryo ABURATANI, Minoru SENGA, Tsuyoshi OTA, Masaru NAKAGAWA
  • Publication number: 20190140313
    Abstract: A sulfide solid electrolyte containing lithium, phosphorus, sulfur, and two or more of elements X selected from halogen elements, where the sulfide solid electrolyte includes an argyrodite-type crystal structure, and a molar ratio of the sulfur to the phosphorus “b (S/P)” and a molar ratio of the element X to the phosphorus “c (X/P)” satisfy the following formula (1): 0.23<c/b<0.57??(1a).
    Type: Application
    Filed: January 3, 2019
    Publication date: May 9, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Kota Terai, Futoshi Utsuno, Takashi Umeki, Masaru Nakagawa, Hiroshi Yamaguchi
  • Publication number: 20190140314
    Abstract: A sulfide solid electrolyte that contains lithium, phosphorus, sulfur, chlorine and bromine, wherein in powder X-ray diffraction analysis using CuK? rays, it has a diffraction peak A at 2?=25.2±0.5 deg and a diffraction peak B at 2?=29.7±0.5 deg, the diffraction peak A and the diffraction peak B satisfy the following formula (A), and a molar ratio of the chlorine to the phosphorus “c (Cl/P)” and a molar ratio of the bromine to the phosphorus “d (Br/P)” satisfies the following formula (1): 1.2<c+d<1.9??(1) 0.845<SA/SB<1.200??(A) where SA is an area of the diffraction peak A and SB is an area of the diffraction peak B.
    Type: Application
    Filed: January 4, 2019
    Publication date: May 9, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Futoshi UTSUNO, Kota TERAI, Takashi UMEKI, Masaru NAKAGAWA, Hiroshi YAMAGUCHI
  • Patent number: 10090558
    Abstract: A solid electrolyte glass at least including: at least one alkali metal element; a phosphorus (P) element; a sulfur (S) element; and one or more halogen elements selected from I, Cl, Br and F; wherein the solid electrolyte glass has two exothermic peaks that are separated from each other in a temperature range of 150° C. to 350° C. as determined by differential scanning calorimetry (in a dry nitrogen atmosphere at a temperature-elevating speed of 10° C./min from 20 to 600° C.).
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: October 2, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Hiroyuki Higuchi, Hiroyuki Tamura, Masaru Nakagawa, Tadanori Junke
  • Publication number: 20180251636
    Abstract: Provided is a method of producing a polycarbonate-polyorganosiloxane copolymer, including a step (Q) of causing a polycarbonate oligomer and at least one of polyorganosiloxanes represented by the following general formulae (i) to (iii) to react with each other in an organic solvent, in which in the step, a solid content weight x (g/L) of the polycarbonate oligomer in 1 L of a mixed solution of the organic solvent and the polycarbonate oligomer, a concentration y (mass %) of the polyorganosiloxane in the polycarbonate-polyorganosiloxane copolymer to be obtained, and a chain length n of the polyorganosiloxane satisfy specific conditions.
    Type: Application
    Filed: August 29, 2016
    Publication date: September 6, 2018
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoko ABE, Yasuhiro ISHIKAWA, Yohei KOORI, Masaru NAKAGAWA
  • Patent number: 9806373
    Abstract: A solid electrolyte including an alkali metal element, phosphorous, sulfur and halogen as constituent components.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: October 31, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Tadanori Junke, Ryo Aburatani, Hiroyuki Higuchi, Masaru Nakagawa, Tsuyoshi Ota, Yoshikatsu Seino
  • Publication number: 20170293221
    Abstract: A method for producing a substrate with a fine projection-and-recess pattern which is excellent in productivity and achieves excellent pattern feature size and accuracy is provided.
    Type: Application
    Filed: August 25, 2015
    Publication date: October 12, 2017
    Inventors: Masaru NAKAGAWA, Takuya UEHARA, Kazuro NAGASE, Hiroaki IKEDO
  • Publication number: 20170222261
    Abstract: A solid electrolyte glass at least including: at least one alkali metal element; a phosphorus (P) element; a sulfur (S) element; and one or more halogen elements selected from I, Cl, Br and F; wherein the solid electrolyte glass has two exothermic peaks that are separated from each other in a temperature range of 150° C. to 350° C. as determined by differential scanning calorimetry (in a dry nitrogen atmosphere at a temperature-elevating speed of 10° C./min from 20 to 600° C.).
    Type: Application
    Filed: April 20, 2017
    Publication date: August 3, 2017
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi KAMBARA, Hiroyuki HIGUCHI, Hiroyuki TAMURA, Masaru NAKAGAWA, Tadanori JUNKE
  • Publication number: 20170194662
    Abstract: A solid electrolyte including an alkali metal element, phosphorous, sulfur and halogen as constituent components.
    Type: Application
    Filed: February 27, 2017
    Publication date: July 6, 2017
    Applicant: IDEMITSU KOSAN CO., LTD
    Inventors: Takayoshi KAMBARA, Tadanori JUNKE, Ryo ABURATANI, Hiroyuki HIGUCHI, Masaru NAKAGAWA, Tsuyoshi OTA, Yoshikatsu Seino
  • Patent number: 9673482
    Abstract: A solid electrolyte glass at least including: at least one alkali metal element; a phosphorus (P) element; a sulfur (S) element; and one or more halogen elements selected from I, Cl, Br and F; wherein the solid electrolyte glass has two exothermic peaks that are separated from each other in a temperature range of 150° C. to 350° C. as determined by differential scanning calorimetry (in a dry nitrogen atmosphere at a temperature-elevating speed of 10° C./min from 20 to 600° C.).
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: June 6, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Hiroyuki Higuchi, Hiroyuki Tamura, Masaru Nakagawa, Tadanori Junke
  • Patent number: 9620811
    Abstract: A solid electrolyte including an alkali metal element, phosphorous, sulfur and halogen as constituent components.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: April 11, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Tadanori Junke, Ryo Aburatani, Hiroyuki Higuchi, Masaru Nakagawa, Tsuyoshi Ota, Yoshikatsu Seino
  • Publication number: 20160305452
    Abstract: Provided are a blower, capable of suppressing noise occurring in a stator while significantly improving blowing efficiency, and an outdoor unit using the same. The present disclosure comprises: a bell mouth part spaced apart at a predetermined distance in the radial direction with respect to an outer circumferential end of a propeller fan; and a diffuser part installed on the downstream side of the bell mouth part, and having a flow path area which is enlarged from the upstream side toward the downstream side with a larger magnification rate than the magnification rate of the flow path area in the downstream end of the bell mouth part; and a stator part having a plurality of stators, wherein the stator part is arranged within the diffuser part.
    Type: Application
    Filed: December 2, 2014
    Publication date: October 20, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Masaru NAKAGAWA, Seiji SATO
  • Publication number: 20160281739
    Abstract: Provided are a blower, capable of suppressing noise occurring in a stator while significantly improving blowing efficiency, and an outdoor unit using the same. The present invention comprises: a bell mouth part spaced apart at a predetermined distance in the radial direction with respect to an outer circumferential end of a propeller fan; and a diffuser part installed on the downstream side of the bell mouth part, and having a flow path area which is enlarged from the upstream side toward the downstream side with a larger magnification rate than the magnification rate of the flow path area in the downstream end of the bell mouth part; and a stator part having a plurality of stators, wherein the stator part is arranged within the diffuser part.
    Type: Application
    Filed: June 2, 2016
    Publication date: September 29, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Masaru NAKAGAWA, Seiji SATO
  • Publication number: 20150270571
    Abstract: A solid electrolyte glass at least including: at least one alkali metal element; a phosphorus (P) element; a sulfur (S) element; and one or more halogen elements selected from I, Cl, Br and F; wherein the solid electrolyte glass has two exothermic peaks that are separated from each other in a temperature range of 150° C. to 350° C. as determined by differential scanning calorimetry (in a dry nitrogen atmosphere at a temperature-elevating speed of 10° C./min from 20 to 600° C.).
    Type: Application
    Filed: November 5, 2013
    Publication date: September 24, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Hiroyuki Higuchi, Hiroyuki Tamura, Masaru Nakagawa, Tadanori Junke
  • Publication number: 20150214575
    Abstract: Glass includes an aggregate of solid electrolyte particles including Li, P, and S, wherein when a Raman spectrum of the glass is repeatedly measured and a peak at 330 to 450 cm?1 in each Raman spectrum is separated to waveforms of individual components, a standard deviation of a waveform area ratio of each component is less than 4.0.
    Type: Application
    Filed: April 7, 2015
    Publication date: July 30, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryo ABURATANI, Minoru SENGA, Tsuyoshi OTA, Masaru NAKAGAWA
  • Patent number: 9051201
    Abstract: Glass includes an aggregate of solid electrolyte particles including Li, P, and S, wherein when a Raman spectrum of the glass is repeatedly measured and a peak at 330 to 450 cm?1 in each Raman spectrum is separated to waveforms of individual components, a standard deviation of a waveform area ratio of each component is less than 4.0.
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: June 9, 2015
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryo Aburatani, Minoru Senga, Tsuyoshi Ota, Masaru Nakagawa
  • Publication number: 20140315102
    Abstract: An electrode material including at least one of sulfur and a compound that contains a sulfur atom, a conductive material, and a solid electrolyte that contains a lithium atom, a phosphorous atom and a sulfur atom, wherein the solid electrolyte has at least one of a peak at 86.1±0.6 ppm and a peak at 83.0±1.0 ppm in the solid 31PNMR spectrum, and the ratio of the phosphorous atoms contained in the peak is 62 mol % or more relative to the phosphorous atoms contained in the all peaks.
    Type: Application
    Filed: November 19, 2012
    Publication date: October 23, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Akiko Tsuji, Masaru Nakagawa, Hiromichi Koshika
  • Publication number: 20140302382
    Abstract: A solid electrolyte including an alkali metal element, phosphorous, sulfur and halogen as constituent components.
    Type: Application
    Filed: November 2, 2012
    Publication date: October 9, 2014
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Tadanori Junke, Ryo Aburatani, Hiroyuki Higuchi, Masaru Nakagawa, Tsuyoshi Ota, Yoshikatsu Seino