Patents by Inventor Jun Ishida

Jun Ishida 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: 20260102988
    Abstract: An interlayer film for laminated glass of the present invention includes a functional film and a first polymer layer that is provided on one front surface of the functional film and constitutes an outermost layer, wherein an outer surface of the first polymer layer has a surface roughness (Rzjis94) of 1 ?m or more and 100 ?m or less. According to the present invention, an interlayer film for laminated glass that has excellent degassing properties during the production of laminated glass and can suppress optical distortion can be provided.
    Type: Application
    Filed: September 28, 2023
    Publication date: April 16, 2026
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Jun ISHIDA
  • Publication number: 20260102958
    Abstract: An interlayer film for laminated glass, comprising two or more resin layers, wherein at least one of the resin layers has a glass transition temperature different from that of the other resin layer or layers, and wherein the two or more resin layers include a low-Tg resin layer having the lowest glass transition temperature among the two or more resin layers, the interlayer film for laminated glass has a thickness ratio of the low-Tg resin layer to the entire interlayer film, R(x), wherein x [mm] represents a coordinate on a straight line from one end of the interlayer film to the other end, and the difference between the maximum and minimum values of the thickness ratio R(x) is 8% or less.
    Type: Application
    Filed: September 28, 2023
    Publication date: April 16, 2026
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Jun ISHIDA
  • Publication number: 20260102987
    Abstract: A wedge shaped interlayer film for laminated glass having good sound insulation performance and having five or more resin layers, including: a first resin layer having a glass transition temperature of 15° C. or higher, a second resin layer having a glass transition temperature of lower than 15° C., a first edge, and a second edge opposite the first edge. A thickness of the second edge is larger than the thickness of the first edge, and when a percentage of a total thickness of second resin layer with respect to the total thickness of all the resin layers is taken to be a layer percentage A (%), and a distance from the first to second edges is taken to be X, the interlayer film has a region of 0.5X in which a difference between a maximum value and a minimum value of the layer percentage A is 10% or less.
    Type: Application
    Filed: September 28, 2023
    Publication date: April 16, 2026
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Jun ISHIDA
  • Patent number: 12594744
    Abstract: Provided is an interlayer film for laminated glass capable of preventing a winding core from falling off a roll body of the interlayer film. The interlayer film for laminated glass according to the present invention includes one end and the other end being on an opposite side of the one end, the one end having a thickness of 1.05 mm or less, a first resin layer having a glass transition temperature of less than 15° C., a second resin layer having a glass transition temperature of 15° C. or more, and a region where a total number of laminated layers of the first resin layer and the second resin layer in a thickness direction is five or more, and in the region where the total number of laminated layers is five or more, the region has Y1/Z being 1.01 or more when a thickness by one layer of surface layers is denoted by Y1 ?m and a thickness by one layer of layers neighboring the surface layers is denoted by Z ?m.
    Type: Grant
    Filed: March 30, 2021
    Date of Patent: April 7, 2026
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Jun Ishida, Hiromitsu Nishino
  • Publication number: 20260084404
    Abstract: Provided is an interlayer film for laminated glass capable of enhancing the sound insulating property in a low-frequency region while keeping the sound insulating property in a high-frequency region high.
    Type: Application
    Filed: November 28, 2025
    Publication date: March 26, 2026
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Jun ISHIDA, Hiromitsu NISHINO, Tatsuya IWAMOTO
  • Patent number: 12576610
    Abstract: Provided is an interlayer film for laminated glass, having a dark color part with uniform parallel light transmittance in a shading region, and capable of suppressing color unevenness in the shading region. An interlayer film for laminated glass according to the present invention has one end, and the other on an opposite side of the one end, the other end has a thickness larger than a thickness of the one end, and when the interlayer film is arranged between two sheets of clear glass conforming to JIS R3202:1996 to obtain a laminated glass X, and a specific measurement of parallel light transmittance is conducted for the laminated glass X obtained, the interlayer film has a gradation part in which a parallel light transmittance continuously reduces from the one end side to the other end side, and an absolute value of a variation rate in the parallel light transmittance is more than 0.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: March 17, 2026
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Jun Ishida, Hiroaki Inui
  • Patent number: 12482806
    Abstract: A hydrogen absorbing alloy negative electrode is provided. The hydrogen absorbing alloy negative electrode has a hydrogen absorbing alloy, and an additive including yttrium fluoride. A mass of the yttrium fluoride is 0.1 parts by mass or more and 0.2 parts by mass or less based on a hydrogen absorbing alloy powder of 100 parts by mass.
    Type: Grant
    Filed: May 14, 2022
    Date of Patent: November 25, 2025
    Assignee: FDK CORPORATIN
    Inventors: Shota Ohata, Akira Saguchi, Jun Ishida, Yuki Ehara, Masaru Kihara
  • Patent number: 12482820
    Abstract: A negative electrode for an alkaline storage battery that achieves both an improvement in cycle life and an improvement in low temperature discharge characteristics, and an alkaline storage battery including the negative electrode are disclosed. The negative electrode for an alkaline storage battery includes a negative electrode core body formed of metal, and a negative electrode mixture layer which contains at least a hydrogen storage alloy and yttrium fluoride, and is carried on the negative electrode core body. Particles of the yttrium fluoride are formed so that the average particle size thereof is equal to 1 ?m or more and 7 ?m or less.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: November 25, 2025
    Assignee: FDK CORPORATION
    Inventors: Yuki Ehara, Jun Ishida, Shota Ohata, Akira Saguchi, Masaru Kihara
  • Publication number: 20250296299
    Abstract: Provided is an interlayer film for laminated glass capable of suppressing generation of double images, and suppressing unevenness in heat shielding performance in laminated glass. The interlayer film for laminated glass according to the present invention has a region where a partial wedge angle in a length of 400 mm in the direction connecting one end and the other end of the interlayer film is 0.05 mrad or more, the interlayer film includes a heat shielding layer containing a heat shielding substance and having a glass transition point of 15° C. or more, and when a distance between the one end and the other end or the interlayer film is referred to as X, the thickness of the interlayer film at an arbitrary position (1) of the interlayer film within a region of 0.1X to 0.
    Type: Application
    Filed: April 14, 2023
    Publication date: September 25, 2025
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Jun ISHIDA
  • Publication number: 20250249663
    Abstract: Provided is an interlayer film for laminated glass capable of 1) suppressing generation of double images, 2) suppressing color irregularities, and 3) keeping the haze value small in laminated glass. The interlayer film for laminated glass according to the present invention has one end and the other end, and when a distance between the one end and the other end is referred to as X, the thickness of the interlayer film at an arbitrary position (1) of the interlayer film within a region of 0.1X to 0.9X from the one end toward the other end, the thickness of the interlayer film at a position (2) where the thickness of the interlayer film is smaller than the thickness of the interlayer film at the position (1) within a region of 0.1X to 0.
    Type: Application
    Filed: April 14, 2023
    Publication date: August 7, 2025
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventor: Jun ISHIDA
  • Patent number: 12311639
    Abstract: Provided is an interlayer film for laminated glass capable of suppressing color migration. In an interlayer film for laminated glass according to the present invention, when the interlayer film is arranged between two sheets of clear glass conforming to JIS R3202:1996 to obtain a laminated glass X, and parallel light transmittance is measured for the obtained laminated glass X, the interlayer film has a colored region with a parallel light transmittance of less than 60%, and a transparent region with a parallel light transmittance of 60% or more, the interlayer film has an average thickness in the colored region smaller than an average thickness in the transparent region, and the interlayer film has an absolute value of difference between the average thickness in the colored region and the average thickness in the transparent region of 10 ?m or more.
    Type: Grant
    Filed: June 23, 2021
    Date of Patent: May 27, 2025
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Jun Ishida, Hiromitsu Nishino
  • Patent number: 12300809
    Abstract: A nickel metal hydride secondary battery comprises an outer can and an electrode assembly housed in the outer can together with an alkaline electrolytic solution, wherein the electrode assembly is such that a positive electrode including a positive electrode mixture and a negative electrode including a negative electrode mixture are superimposed with a separator interposed therebetween, the positive electrode mixture includes nickel hydroxide forming a solid solution with zinc as a positive electrode active material and zinc oxide as a positive electrode additive, the negative electrode mixture includes hydrogen absorbing alloy particles and a negative electrode additive, the negative electrode additive is a composite in which yttrium fluoride is supported on carbon black, and a surface of the hydrogen absorbing alloy particles is partially coated with the composite.
    Type: Grant
    Filed: April 22, 2022
    Date of Patent: May 13, 2025
    Assignee: FDK CORPORATION
    Inventors: Akira Saguchi, Shota Ohata, Jun Ishida, Yuki Ehara, Masaru Kihara
  • Publication number: 20240266721
    Abstract: A vehicle body-embedded antenna device basically includes a plate-like antenna element, a circuit board and a fixed conductive part. The plate-like antenna element is disposed inside the bathtub-shaped part at the highest possible level therein so as to be substantially parallel to the metal body surface. The circuit board is disposed inside the bathtub-shaped part so as not to overlap the plate-like antenna element as viewed from above. The circuit board has a feeding part connected with the plate-like antenna element. The fixed conductive part is electrically conductive to both the circuit board and the bathtub-shaped part. The fixed conductive part is fixed to a bottom part of the bathtub-shaped part through an attachment hole formed in the bottom part of the bathtub-shaped part.
    Type: Application
    Filed: July 8, 2022
    Publication date: August 8, 2024
    Inventors: Jun ISHIDA, Toshihiro IWATA, Mikio UENO, Takeshi SAKANO
  • Patent number: 12057625
    Abstract: A vehicle body-embedded antenna device basically includes a plate-like antenna element, a circuit board and a fixed conductive part. The plate-like antenna element is disposed inside the bathtub-shaped part at the highest possible level therein so as to be substantially parallel to the metal body surface. The circuit board is disposed inside the bathtub-shaped part so as not to overlap the plate-like antenna element as viewed from above. The circuit board has a feeding part connected with the plate-like antenna element. The fixed conductive part is electrically conductive to both the circuit board and the bathtub-shaped part. The fixed conductive part is fixed to a bottom part of the bathtub-shaped part through an attachment hole formed in the bottom part of the bathtub-shaped part.
    Type: Grant
    Filed: July 8, 2022
    Date of Patent: August 6, 2024
    Assignee: HARADA INDUSTRY CO., LTD.
    Inventors: Jun Ishida, Toshihiro Iwata, Mikio Ueno, Takeshi Sakano
  • Publication number: 20230411622
    Abstract: A positive electrode for an alkaline secondary battery has high discharge capacity in a low temperature environment. The positive electrode included in the alkaline secondary battery has a positive electrode active material including 100 parts by mass of nickel hydroxide, and an additive including yttrium oxide. The nickel hydroxide includes an ?-phase single phase.
    Type: Application
    Filed: June 19, 2023
    Publication date: December 21, 2023
    Inventors: Yuya Tanimoto, Jun Ishida, Yuzo Imoto, Yuki Ehara
  • Patent number: 11820107
    Abstract: Provided is an interlayer film for laminated glass with which transmitted double images in the laminated glass can be suppressed. An interlayer film for laminated glass according to the present invention has one end and the other end being at the opposite side of the one end, and the other end has a thickness larger than a thickness of the one end, and when an inclination of approximate line A and a maximum value of absolute values of deviation in partial wedge angle are calculated according to determination of a specific formula of approximate line A and calculation of deviation in partial wedge angle, the inclination of approximate line A is ?0.05 mrad/m or less in at least one section A, and the maximum value of absolute values of deviation in partial wedge angle is 0.2 mrad or less.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: November 21, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Jun Ishida, Hiromitsu Nishino
  • Patent number: 11817573
    Abstract: A nickel-metal hydride secondary battery includes an outer can and a group of electrodes housed in the outer can together with an alkaline electrolytic solution. The group of electrodes includes a positive electrode and a negative electrode that are superposed with a separator interposed therebetween, and the negative electrode includes a hydrogen absorbing alloy for nickel-metal hydride secondary batteries, the hydrogen absorbing alloy having a single composition and composed of a plurality of crystal phases.
    Type: Grant
    Filed: August 27, 2021
    Date of Patent: November 14, 2023
    Assignee: FDK CORPORATION
    Inventors: Shota Ohata, Jun Ishida, Yuki Ehara, Masaru Kihara
  • Publication number: 20230264456
    Abstract: Provided is an interlayer film for laminated glass capable of suppressing color migration. In an interlayer film for laminated glass according to the present invention, when the interlayer film is arranged between two sheets of clear glass conforming to JIS R3202:1996 to obtain a laminated glass X, and parallel light transmittance is measured for the obtained laminated glass X, the interlayer film has a colored region with a parallel light transmittance of less than 60%, and a transparent region with a parallel light transmittance of 60% or more, the interlayer film has an average thickness in the colored region smaller than an average thickness in the transparent region, and the interlayer film has an absolute value of difference between the average thickness in the colored region and the average thickness in the transparent region of 10 ?m or more.
    Type: Application
    Filed: June 23, 2021
    Publication date: August 24, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Jun ISHIDA, Hiromitsu NISHINO
  • Publication number: 20230182450
    Abstract: Provided is an interlayer film for laminated glass capable of enhancing the sound insulating property in a low-frequency region while keeping the sound insulating property in a high-frequency region high.
    Type: Application
    Filed: July 26, 2021
    Publication date: June 15, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Jun ISHIDA, Hiromitsu NISHINO, Tatsuya IWAMOTO
  • Publication number: 20230166482
    Abstract: Provided is a laminated glass capable of suppressing multiple images. The laminated glass according to the present invention has one end, and the other end being at the opposite side of the one end and having a thickness larger than a thickness of the one end, and includes a first lamination glass member, a second lamination glass member, and an interlayer film arranged between the first lamination glass member and the second lamination glass member, and the interlayer film has a wedge angle of 0.10 mrad or more and 2.0 mrad or less, and the laminated glass has wedge angle of larger than the wedge angle of the interlayer film.
    Type: Application
    Filed: November 30, 2022
    Publication date: June 1, 2023
    Inventors: Hideto Yoshimoto, Yuusuke Oota, Koji Kido, Hiromitsu Nishino, Susumu Hayase, Jun Ishida