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).

  • Patent number: 11963474
    Abstract: A spreader device includes a container to contain spread substance, a first spreader portion having a first rotor to spray the spread substance contained in the container, a second spreader portion having a second rotor to spray the spread substance contained in the container, a first driver source to drive the first rotor, a first shaft to transmit a driving force outputted from the first driver source, a second shaft to transmit a driving force outputted from a second driver source different from the first driver source, and a selection transmitter portion to selectively transmit the driving force form the first shaft and the driving force from the second shaft to the first rotor or the second rotor.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: April 23, 2024
    Assignee: KUBOTA CORPORATION
    Inventors: Sumio Yagyu, Takao Nakagawa, Masaru Kawane, Piet Jan Van Der Marel
  • Patent number: 11954546
    Abstract: Provided is a structure for individual authentication in which a pillar pattern region including a plurality of nanopillars formed of synthetic quartz glass is formed on at least a part of a surface portion of a synthetic quartz glass substrate. In the pillar pattern region, the nanopillars have an indentation elastic modulus of 35 to 100 GPa as measured by a nanoindentation method, and the nanopillars are plastically deformed.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: April 9, 2024
    Assignees: SHIN-ETSU CHEMICAL CO., LTD., TOHOKU UNIVERSITY
    Inventors: Masao Ando, Hiroyuki Yamazaki, Masaki Takeuchi, Masaru Nakagawa, Shunya Ito
  • Publication number: 20240042674
    Abstract: A positioning method includes a layering step of layering a first object and a second object, a detection step of detecting, after the layering step, a first signal obtained from a first array body of the first object, a second signal obtained from a second array body of the first object, a third signal obtained from the second array body of the second object, and a fourth signal obtained from the first array body of the second object, a calculating step of calculating positional deviation between the first object and the second object by respectively fitting the first to fourth signals, and an adjustment step of adjusting the positional deviation. The first array body has a first periodic structure having a period p1, and the second array body has a second periodic structure having a period p2. Neither the first array body nor the second array body of the first object overlaps the second array body or the first array body of the second object when the first object and the second object are layered.
    Type: Application
    Filed: November 5, 2021
    Publication date: February 8, 2024
    Applicant: TOHOKU UNIVERSITY
    Inventors: Masaru NAKAGAWA, Subaru HARADA, Toshiaki HAYAKAWA
  • Publication number: 20230282876
    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: February 28, 2023
    Publication date: September 7, 2023
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Futoshi UTSUNO, Kota TERAI, Takashi UMEKI, Masaru NAKAGAWA, Hiroshi YAMAGUCHI
  • Patent number: 11626616
    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 10, 2022
    Date of Patent: April 11, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Futoshi Utsuno, Kota Terai, Takashi Umeki, Masaru Nakagawa, Hiroshi Yamaguchi
  • Publication number: 20230027061
    Abstract: An imprint mold having a synthetic quartz glass substrate having a transfer fine pattern formed on a surface thereof; and a coating layer formed on at least a part of the fine pattern by at least one of materials different from the substrate.
    Type: Application
    Filed: July 5, 2022
    Publication date: January 26, 2023
    Applicants: Shin-Etsu Chemical Co., Ltd., TOHOKU UNIVERSITY
    Inventors: Hiroyuki YAMAZAKI, Masao ANDO, Masaki TAKEUCHI, Masaru NAKAGAWA, Shunya ITO
  • Publication number: 20220367907
    Abstract: Provided is a sulfide solid electrolyte containing lithium, phosphorus, sulfur and chlorine, in which a molar ratio of the chlorine to the phosphorus, c (Cl/P), is greater than 1.0 and 1.9 or less, the sulfide solid electrolyte includes an argyrodite-type crystal structure, and a lattice constant of the argyrodite-type crystal structure is 9.820 ? or less.
    Type: Application
    Filed: July 22, 2022
    Publication date: November 17, 2022
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Futoshi UTSUNO, Akiko NAKATA, Kota TERAI, Masaru NAKAGAWA
  • Patent number: 11444317
    Abstract: Provided is a sulfide solid electrolyte containing lithium, phosphorus, sulfur and chlorine, in which a molar ratio of the chlorine to the phosphorus, c (Cl/P), is greater than 1.0 and 1.9 or less, the sulfide solid electrolyte includes an argyrodite-type crystal structure, and a lattice constant of the argyrodite-type crystal structure is 9.820 ? or less.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: September 13, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Futoshi Utsuno, Akiko Nakata, Kota Terai, Masaru Nakagawa
  • Patent number: 11431024
    Abstract: A method for producing a solid electrolyte, including: stirring a slurry including lithium sulfide and phosphorus sulfide in a hydrocarbon solvent in a reaction vessel, and circulating the slurry through a connecting pipe by a pump. The method is carried out in an apparatus including the reaction vessel and the connecting pipe connected to the pump and the reaction vessel.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: August 30, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryo Aburatani, Minoru Senga, Tsuyoshi Ota, Masaru Nakagawa
  • Publication number: 20220131185
    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 10, 2022
    Publication date: April 28, 2022
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Futoshi UTSUNO, Kota TERAI, Takashi UMEKI, Masaru NAKAGAWA, Hiroshi YAMAGUCHI
  • Patent number: 11271246
    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 peek 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: November 20, 2020
    Date of Patent: March 8, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Futoshi Utsuno, Kota Terai, Takashi Umeki, Masaru Nakagawa, Hiroshi Yamaguchi
  • Publication number: 20210374495
    Abstract: Provided is a structure for individual authentication in which a pillar pattern region including a plurality of nanopillars formed of synthetic quartz glass is formed on at least a part of a surface portion of a synthetic quartz glass substrate. In the pillar pattern region, the nanopillars have an indentation elastic modulus of 35 to 100 GPa as measured by a nanoindentation method, and the nanopillars are plastically deformed.
    Type: Application
    Filed: May 25, 2021
    Publication date: December 2, 2021
    Applicants: Shin-Etsu Chemical Co., Ltd., TOHOKU UNIVERSITY
    Inventors: Masao ANDO, Hiroyuki YAMAZAKI, Masaki TAKEUCHI, Masaru NAKAGAWA, Shunya ITO
  • Patent number: 11075404
    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: Grant
    Filed: December 26, 2018
    Date of Patent: July 27, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryo Aburatani, Minoru Senga, Tsuyoshi Ota, Masaru Nakagawa
  • Publication number: 20210143473
    Abstract: A method for producing a solid electrolyte, including: stirring a slurry including lithium sulfide and phosphorus sulfide in a hydrocarbon solvent in a reaction vessel, and circulating the slurry through a connecting pipe by a pump. The method is carried out in an apparatus including the reaction vessel and the connecting pipe connected to the pump and the reaction vessel.
    Type: Application
    Filed: January 21, 2021
    Publication date: May 13, 2021
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryo ABURATANI, Minoru SENGA, Tsuyoshi OTA, Masaru NAKAGAWA
  • Publication number: 20210075057
    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 peek 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: November 20, 2020
    Publication date: March 11, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Futoshi UTSUNO, Kota TERAI, Takashi UMEKI, Masaru NAKAGAWA, Hiroshi YAMAGUCHI
  • Patent number: 10879561
    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: June 20, 2019
    Date of Patent: December 29, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Futoshi Utsuno, Kota Terai, Takashi Umeki, Masaru Nakagawa, Hiroshi Yamaguchi
  • Patent number: 10613433
    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: Grant
    Filed: August 25, 2015
    Date of Patent: April 7, 2020
    Assignee: TOHOKU UNIVERSITY
    Inventors: Masaru Nakagawa, Takuya Uehara, Kazuro Nagase, Hiroaki Ikedo
  • Patent number: 10483587
    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??(1).
    Type: Grant
    Filed: January 3, 2019
    Date of Patent: November 19, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kota Terai, Futoshi Utsuno, Takashi Umeki, Masaru Nakagawa, Hiroshi Yamaguchi
  • Patent number: 10472518
    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: Grant
    Filed: August 29, 2016
    Date of Patent: November 12, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoko Abe, Yasuhiro Ishikawa, Yohei Koori, Masaru Nakagawa
  • Publication number: 20190319305
    Abstract: Provided is a sulfide solid electrolyte containing lithium, phosphorus, sulfur and chlorine, in which a molar ratio of the chlorine to the phosphorus, c (Cl/P), is greater than 1.0 and 1.9 or less, the sulfide solid electrolyte includes an argyrodite-type crystal structure, and a lattice constant of the argyrodite-type crystal structure is 9.820 ? or less.
    Type: Application
    Filed: August 8, 2017
    Publication date: October 17, 2019
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Futoshi UTSUNO, Akiko NAKATA, Kota TERAI, Masaru NAKAGAWA