Patents by Inventor Keisuke Inaba

Keisuke Inaba 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: 20240310354
    Abstract: Provided is a grease deterioration detecting method which can detect deterioration of grease and in which the amount of grease necessary for detecting deterioration is small. The grease deterioration detecting method includes a dilution step of diluting grease with a diluent to obtain diluted grease, and a measurement step of measuring a color of the diluted grease with a sensor.
    Type: Application
    Filed: June 2, 2023
    Publication date: September 19, 2024
    Applicant: NSKLTD.
    Inventors: Takenobu INABA, Keisuke YOKOYAMA, Shunsuke IWASE
  • Patent number: 12084599
    Abstract: Disclosed is a semiconductor device manufacturing method, including a preparation step of preparing a laminated body in which a supporting member, a temporary fixation material layer that generates heat upon absorbing light, and a semiconductor member are laminated in this order, and a separation step of irradiating the temporary fixation material layer in the laminated body with incoherent light and thereby separating the semiconductor member from the supporting member.
    Type: Grant
    Filed: October 18, 2023
    Date of Patent: September 10, 2024
    Assignee: RESONAC CORPORATION
    Inventors: Emi Miyazawa, Tsuyoshi Hayasaka, Takashi Kawamori, Shinichiro Sukata, Yoshihito Inaba, Keisuke Nishido
  • Publication number: 20240115821
    Abstract: A CPAP device includes a main unit including a first electric circuit including a blower and a connection terminal connected to the first electric circuit, and a base unit connectable to the main unit, including a blower tube, a second electric circuit different from the first electric circuit, and a connection terminal connected to the second electric circuit. The main unit has a first electrical connection portion including an exposed portion of the connection terminal and a first peripheral portion surrounding the first electrical connection portion. The base unit has a second electrical connection portion including an exposed portion of the connection terminal and a second peripheral portion surrounding the second electrical connection portion.
    Type: Application
    Filed: September 26, 2023
    Publication date: April 11, 2024
    Inventors: Yoshiro KONISHI, Keisuke INABA
  • Publication number: 20240115822
    Abstract: A CPAP device includes a main unit including an inlet, an outlet, and a first electric circuit including a blower; and a base unit, to which the main unit is attachable, including an outlet, an inlet, a blower tube, and a second electric circuit different from the first electric circuit. The main unit has a lower wall, and the lower wall has multiple connection terminals connected to the first electric circuit. The base unit has an upper wall, and the upper wall has multiple connection terminals connected to the second electric circuit. The multiple connection terminals and the multiple connection terminals are disposed side by side in a direction substantially parallel to a direction in which the lower wall and the upper wall face each other. One of the multiple connection terminals and the multiple connection terminals includes a biasing force generation member that generates biasing force.
    Type: Application
    Filed: October 3, 2023
    Publication date: April 11, 2024
    Inventor: Keisuke INABA
  • Publication number: 20240110071
    Abstract: Provided is a UV-curable water-based ink excellent in coating film performance, especially alcohol resistance and scratch resistance. The UV-curable water-based ink includes at least a UV-curable oligomer, a colorant, and a mercapto compound, in which the UV-curable oligomer has a structural unit derived from a compound represented by the following chemical formula.
    Type: Application
    Filed: October 23, 2023
    Publication date: April 4, 2024
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Tamae Karasawa, Keisuke Inaba, Tomoko Nakagawa, Shuhei Sakatani, Kengo Kasai
  • Publication number: 20240052184
    Abstract: Provided is a UV-curable water-based ink including at least a UV-curable oligomer, a colorant, and a water-soluble polyfunctional (meth)acrylamide compound, in which the UV-curable oligomer has a structural unit derived from a water-soluble compound and a structural unit derived from a compound containing two or more polymerizable unsaturated bonds.
    Type: Application
    Filed: October 23, 2023
    Publication date: February 15, 2024
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Tamae Karasawa, Keisuke Inaba, Tomoko Nakagawa, Shuhei Sakatani, Kengo Kasai
  • Publication number: 20230128003
    Abstract: An object is to provide a graphite sheet having excellent peelability from a slightly adhesive film. The object is attained by a method for producing a graphite sheet having a thermal diffusivity of not less than 8.0 cm2/s and an interlaminar strength of not less than 100 gf/inch, the method including the step of heat-treating a polyimide film to a temperature of not lower than 2,400° C., the polyimide film containing: not less than 0.05% by weight and not more than 0.30% by weight of inorganic particles; and a non-metal additive containing not less than 0.055% by weight and not more than 0.097% by weight of phosphorus.
    Type: Application
    Filed: December 20, 2022
    Publication date: April 27, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Motoaki KOBAYASHI, Keisuke INABA, Masashi OZAKI, Teruo MATSUTANI
  • Publication number: 20230111677
    Abstract: An object is to provide, with high productivity, a graphite sheet having good thermal diffusivity and interlaminar strength. The object is attained by a method for producing a graphite sheet having a thermal diffusivity of not less than 10.0 cm2/s, the method including the step of heat-treating a polyimide film to a temperature of not lower than 2,800° C., the polyimide film containing: not less than 0.01% by weight and not more than 0.08% by weight of inorganic particles; and a non-metal additive containing not less than 0.018% by weight and not more than 0.032% by weight of phosphorus.
    Type: Application
    Filed: December 13, 2022
    Publication date: April 13, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Motoaki KOBAYASHI, Keisuke INABA, Masashi OZAKI, Teruo MATSUTANI
  • Publication number: 20220282106
    Abstract: Provided is an ink for inkjet printing having high environmental safety, well satisfying characteristics required for a printing ink for a commercial inkjet printer such as high image quality performance, high coating performance, high-speed printability, and substrate versatility in a well-balanced manner, and having good pigment dispersion stability. The ultraviolet-curable water-based inkjet-printing ink contains at least an ultraviolet curable oligomer and a colorant. The ultraviolet-curable oligomer includes a structural unit derived from a polyisocyanate compound (A), a structural unit derived from a compound (B?) shown below, and a structural unit derived from a compound (C?) shown below. Compound (B?): a compound having two or more polymerizable unsaturated bonds and capable of bonding with the polyisocyanate compound (A) Compound (C?): a water-soluble compound capable of bonding with the polyisocyanate compound (A).
    Type: Application
    Filed: May 27, 2022
    Publication date: September 8, 2022
    Applicant: Mitsubishi Chemical Corporation
    Inventors: Keisuke Inaba, Tomoko Nakagawa, Tamae Karasawa, Aiko Ito, Tetsuharu Yuge, Atsushi Tsujimoto, Shuhei Sakatani
  • Publication number: 20220194801
    Abstract: A graphite sheet can be combined with a base even without the need for use of an adhesive. A surface layer porous graphite sheet includes: a graphite layer and a porous layer arranged on one or both surfaces of the graphite layer. The porous layer has pores having a pore diameter X that is measured on a surface of the porous layer and pores having a pore diameter Y that is measured inside the porous layer and that is larger than the pore diameter X. A porosity in a cross section of the surface layer porous graphite sheet satisfies a predetermined condition.
    Type: Application
    Filed: March 10, 2022
    Publication date: June 23, 2022
    Applicant: KANEKA CORPORATION
    Inventors: Motoaki Kobayashi, Teruo Matsutani, Keisuke Inaba
  • Patent number: 11292721
    Abstract: A graphite film has a higher degree of thermal diffusion property in one in-plane direction and a method produces the graphite film. The graphite film includes a first axial direction, which is a direction having the highest thermal diffusivity in a film surface, and a second axial direction orthogonal to the first axial direction in the film surface. A value obtained by dividing the thermal diffusivity in the first axial direction by a thermal diffusivity in the second axial direction is not less than 1.020 and not more than 1.300.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: April 5, 2022
    Assignee: KANEKA CORPORATION
    Inventors: Keisuke Inaba, Yusuke Ohta, Satoshi Katayama, Makoto Kutsumizu, Yasushi Nishikawa
  • Publication number: 20190389729
    Abstract: A graphite film has a higher degree of thermal diffusion property in one in-plane direction and a method produces the graphite film. The graphite film includes a first axial direction, which is a direction having the highest thermal diffusivity in a film surface, and a second axial direction orthogonal to the first axial direction in the film surface. A value obtained by dividing the thermal diffusivity in the first axial direction by a thermal diffusivity in the second axial direction is not less than 1.020 and not more than 1.300.
    Type: Application
    Filed: February 5, 2018
    Publication date: December 26, 2019
    Applicant: KANEKA CORPORATION
    Inventors: Keisuke INABA, Yusuke OHTA, Satoshi KATAYAMA, Makoto KUTSUMIZU, Yasushi NISHIKAWA
  • Publication number: 20180023904
    Abstract: The present invention provides, with use of a particular material, (i) a graphite laminate that has high thermal conductivity and that is unlikely to contain a void, (ii) a graphite laminate that is good in thermal conductivity and peel strength, (iii) methods for producing such graphite laminates, (iv) heat transport structures including such graphite laminates, (v) a rod-shaped heat transporter whose operating temperature is not limited and which can be used stably, and (vi) an electronic device including a rod-shaped heat transporter.
    Type: Application
    Filed: December 18, 2015
    Publication date: January 25, 2018
    Applicant: Kaneka Corporation
    Inventors: Yusuke Kato, Makoto Kutsumizu, Yasushi Nishikawa, Keisuke Inaba, Michiyasu Sakagami