Patents by Inventor Syusaku HARA

Syusaku HARA 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: 20230150893
    Abstract: An object of the present invention is to provide a porous ceramic laminate that can reduce pressure loss of a fluid. The present invention is a porous ceramic laminate comprising a first porous layer and a second porous layer, wherein the second porous layer is laminated on the first porous layer, the second porous layer has a portion being laminated on, in contact with, the first porous layer and a portion being laminated over the first porous layer via air, and a coefficient of variance CV (tb) of the second porous layer thickness is not larger than 0.35.
    Type: Application
    Filed: March 30, 2021
    Publication date: May 18, 2023
    Inventors: Tomomichi NASU, Syusaku HARA, Kazuo SADAOKA
  • Publication number: 20230018761
    Abstract: The present invention relates to a lithium metal composite oxide with a layered structure wherein: at least Li, Ni, and an element X are included; the element X is at least one element selected from the group consisting of Co, Mn, Mg, Ca, Sr, Ba, Zn, B, Al, Ga, Ti, Zr, Ge, Fe, Cu, Cr, V, W, Mo, Sc, Y, Nb, La, Ta, Tc, Ru, Rh, Pd, Ag, Cd, In, and Sn; and an average three-dimensional particle unevenness of primary particles with an equivalent spherical diameter of at least 1.0 ?m is at least 1.91 and less than 2.9.
    Type: Application
    Filed: December 11, 2020
    Publication date: January 19, 2023
    Inventors: Jun-ichi KAGEURA, Yoji MATSUO, Syusaku HARA
  • Publication number: 20220177319
    Abstract: An inorganic porous carrier that can be used to increase the purity of nucleic acid in a production thereof, and that comprises a linker of formula (1), wherein a Survival Bone Rate (SBR) value is 5.0% or more. In the formula (1), a bond * represents a linkage of an inorganic porous substance to the oxygen atom of a silanol group; n is an integer of 1 etc.; R represents independently of each other an alkyl group containing 3 to 10 carbon atoms which may have a substituent such as an alkoxy group etc.; and L represents a single bond; an alkylene group of 1 to 20 carbon atoms; or an alkylene group containing 2 to 20 carbon atoms which contains —CH2-Q-CH2— group wherein any group Q selected from a group consisting of —O— etc. is inserted into at least one of —CH2—CH2— group constituting the alkylene group.
    Type: Application
    Filed: February 28, 2020
    Publication date: June 9, 2022
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Syusaku HARA, Masaki KITAHARA, Takashi HARA, Takashi ARIMURA
  • Patent number: 10916755
    Abstract: The present invention provides a nonaqueous electrolyte secondary battery insulating porous layer having an excellent withstand voltage property and an excellent leakage resistance characteristic. The nonaqueous electrolyte secondary battery insulating porous layer having a trabecular structure including voids, which trabecular structure has an anisotropy value of 1.30 to 2.10, the anisotropy value being calculated from a three-dimensional image showing a void part and a solid content part on respective two gradation levels, the three-dimensional image being prepared by analyzing images of cross sections obtained by making observation at intervals of 20 nm in a thickness direction from a surface of the nonaqueous electrolyte secondary battery insulating porous layer with use of a FIB-SEM having a magnification of 6500 times.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: February 9, 2021
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Ichiro Arise, Syusaku Hara, Junji Suzuki, Hiroki Hashiwaki
  • Patent number: 10637030
    Abstract: The present invention provides a nonaqueous electrolyte secondary battery insulating porous layer having an excellent charge resistance characteristic. The nonaqueous electrolyte secondary battery insulating porous layer has a fractal dimension of 2.42 to 2.60, the fractal dimension being calculated from a three-dimensional image showing a void part and a porous layer part on respective two gradation levels, the three-dimensional image being prepared by analyzing images of cross sections obtained by making observation at intervals of 20 nm in a thickness direction from a surface of the nonaqueous electrolyte secondary battery insulating porous layer by FIB-SEM measurement at a magnification of 6500 times.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: April 28, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Syusaku Hara, Chikae Yoshimaru, Junji Suzuki, Hiroki Hashiwaki
  • Patent number: 10566594
    Abstract: The present invention provides a nonaqueous electrolyte secondary battery separator which is excellent in cycle characteristic. The nonaqueous electrolyte secondary battery separator includes a polyolefin porous film in which a difference between (i) a porosity calculated from a continuous image which is formed so as to extend from a surface to an inside of the polyolefin porous film in a thickness direction and in which a void part and a resin part are shown at respective two gray levels and (ii) a porosity calculated from a thickness, a weight per unit area, and a real density of the polyolefin porous film is 4% to 20%.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: February 18, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Chikae Yoshimaru, Syusaku Hara, Daizaburo Yashiki
  • Publication number: 20180342721
    Abstract: In a porous layer of the present invention, in a case where a surface of the porous layer is divided into 32 sections, a degree of variability in voidage that is measured in the 32 sections is 16.0% or lower. Each of the 32 sections is a square whose longitudinal length is 2.3 ?m and transverse length is 2.3 ?m. The porous layer of the present invention and a separator formed by laminating the porous layer are suitable as a member for a non-aqueous electrolyte secondary battery.
    Type: Application
    Filed: July 26, 2018
    Publication date: November 29, 2018
    Inventors: Chikara MURAKAMI, Kosuke KURAKANE, Syusaku HARA
  • Publication number: 20180301681
    Abstract: The present invention provides a nonaqueous electrolyte secondary battery insulating porous layer having an excellent charge resistance characteristic. The nonaqueous electrolyte secondary battery insulating porous layer has a fractal dimension of 2.42 to 2.60, the fractal dimension being calculated from a three-dimensional image showing a void part and a porous layer part on respective two gradation levels, the three-dimensional image being prepared by analyzing images of cross sections obtained by making observation at intervals of 20 nm in a thickness direction from a surface of the nonaqueous electrolyte secondary battery insulating porous layer by FIB-SEM measurement at a magnification of 6500 times.
    Type: Application
    Filed: May 12, 2017
    Publication date: October 18, 2018
    Inventors: Syusaku HARA, Chikae YOSHIMARU, Junji SUZUKI, Hiroki HASHIWAKI
  • Publication number: 20180301682
    Abstract: The present invention provides a nonaqueous electrolyte secondary battery insulating porous layer having an excellent withstand voltage property and an excellent leakage resistance characteristic. The nonaqueous electrolyte secondary battery insulating porous layer having a trabecular structure including voids, which trabecular structure has an anisotropy value of 1.30 to 2.10, the anisotropy value being calculated from a three-dimensional image showing a void part and a solid content part on respective two gradation levels, the three-dimensional image being prepared by analyzing images of cross sections obtained by making observation at intervals of 20 nm in a thickness direction from a surface of the nonaqueous electrolyte secondary battery insulating porous layer with use of a FIB-SEM having a magnification of 6500 times.
    Type: Application
    Filed: May 12, 2017
    Publication date: October 18, 2018
    Inventors: Ichiro ARISE, Syusaku HARA, Junji SUZUKI, Hiroki HASHIWAKI
  • Publication number: 20180254453
    Abstract: As a nonaqueous electrolyte secondary battery separator that is excellent in initial battery resistance characteristic of a nonaqueous electrolyte secondary battery including the nonaqueous electrolyte secondary battery separator, provided is a nonaqueous electrolyte secondary battery separator including: a polyolefin porous film, the polyolefin porous film having an internal fractal dimension of 1.75 to 1.91, the internal fractal dimension being measured, by a box counting method, in accordance with a continuous image of the polyolefin porous film which continuous image is formed so as to extend from a surface of the polyolefin porous film in an internal thickness direction of the polyolefin porous film, and in which continuous image a void part and a resin part of the polyolefin porous film are shown at respective two gray levels.
    Type: Application
    Filed: March 2, 2018
    Publication date: September 6, 2018
    Inventors: Chikae YOSHIMARU, Syusaku HARA, Chikara MURAKAMI
  • Publication number: 20180254455
    Abstract: The present invention provides a nonaqueous electrolyte secondary battery separator which is excellent in cycle characteristic. The nonaqueous electrolyte secondary battery separator includes a polyolefin porous film in which a difference between (i) a porosity calculated from a continuous image which is formed so as to extend from a surface to an inside of the polyolefin porous film in a thickness direction and in which a void part and a resin part are shown at respective two gray levels and (ii) a porosity calculated from a thickness, a weight per unit area, and a real density of the polyolefin porous film is 4% to 20%.
    Type: Application
    Filed: March 2, 2018
    Publication date: September 6, 2018
    Inventors: Chikae YOSHIMARU, Syusaku HARA, Daizaburo YASHIKI
  • Patent number: 9865856
    Abstract: In a porous layer of the present invention, in a case where the porous layer is divided into 32 sections, a degree of variability in voidage that is measured in the 32 sections is 16.0% or lower. Each of the 32 sections is a rectangular parallelepiped whose longitudinal length is 2.3 ?m, transverse length is 2.3 ?m, and thickness is identical with that of the porous layer. The porous layer of the present invention and a separator formed by laminating the porous layer are suitable as a member for a non-aqueous electrolyte secondary battery that has an excellent cycle characteristic.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: January 9, 2018
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Chikara Murakami, Kosuke Kurakane, Syusaku Hara
  • Publication number: 20170162849
    Abstract: In a porous layer of the present invention, in a case where the porous layer is divided into 32 sections, a degree of variability in voidage that is measured in the 32 sections is 16.0% or lower. Each of the 32 sections is a rectangular parallelepiped whose longitudinal length is 2.3 ?m, transverse length is 2.3 ?m, and thickness is identical with that of the porous layer. The porous layer of the present invention and a separator formed by laminating the porous layer are suitable as a member for a non-aqueous electrolyte secondary battery that has an excellent cycle characteristic.
    Type: Application
    Filed: July 31, 2015
    Publication date: June 8, 2017
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Chikara MURAKAMI, Kosuke KURAKANE, Syusaku HARA
  • Publication number: 20170162850
    Abstract: In a porous layer of the present invention, in a case where a surface of the porous layer is divided into 32 sections, a degree of variability in voidage that is measured in the 32 sections is 16.0% or lower. Each of the 32 sections is a square whose longitudinal length is 2.3 ?m and transverse length is 2.3 ?m. The porous layer of the present invention and a separator formed by laminating the porous layer are suitable as a member for a non-aqueous electrolyte secondary battery.
    Type: Application
    Filed: July 31, 2015
    Publication date: June 8, 2017
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Chikara MURAKAMI, Kosuke KURAKANE, Syusaku HARA