Patents by Inventor Tomoya Tsuji

Tomoya Tsuji 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: 12077697
    Abstract: A problem to be solved of the present invention is to provide a diverting agent which gradually dissolves in water. The present invention relates to a diverting agent containing a polyvinyl alcohol-based resin and a method of filling a fracture using the diverting agent.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: September 3, 2024
    Assignee: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Kazutoshi Tsuji, Norihito Sakai, Tomoya Fujita, Takahiro Saka, Chizuko Furo
  • Patent number: 12037510
    Abstract: An object is to provide an aqueous coating material composition having high viscosity expression property as well as a viscosity property of decreasing viscosity with increase in shear velocity; in particular, to provide an aqueous coating material composition that can form a multilayer coating film having excellent smoothness, clarity, flip-flop property, adhesion, and water resistance; in addition, to provide a method for forming a multilayer coating film using such aqueous coating material composition, as well as a coated article that has been coated with such aqueous coating material composition. As a solution, an aqueous coating material composition is provided that contains a polyester resin (A), acrylic resin particles (B), a curing agent (C), and a coloring pigment (D), wherein the polyester resin (A) is a resin containing a trifunctional or higher polyfunctional polycarboxylic acid (a1) and a polyol (a2) as monomer components.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: July 16, 2024
    Assignee: KANSAI PAINT CO., LTD.
    Inventors: Yuri Goshozono, Toru Tsuji, Tomoya Murakami, Narihito Nakano
  • Publication number: 20080022899
    Abstract: A method for producing a powder coating composition comprising mixing two or more powder coatings, wherein at least two powder coatings out of the two or more powder coatings have different hues from each other, and wherein each of the two powder coating comprises a flaky pigment bound to a surface of a resin powder comprising a resin and a colorant via a binder having adhesion. The powder coating composition is suitably used in coatings of automobile parts, electric appliances, furniture, engineering work machines, office equipments, toys, and the like, and a method for producing the powder coating composition.
    Type: Application
    Filed: July 18, 2007
    Publication date: January 31, 2008
    Inventors: Tomoya Tsuji, Shunichi Endou
  • Publication number: 20060173113
    Abstract: It is an object of the present invention to provide a powder coating composition, which can exhibit a sufficient hiding power, a corrosion resistance and an excellent appearance and can reduce a coating process and is particularly suitable for coating of an aluminum wheel because of its high low temperature curability and has excellent storage stability, and a coating method of an aluminum wheel using the same. A powder coating composition consisting of a powder coating composition particle, wherein said powder coating composition particle comprises at least a thermosetting resin powder formed by binding a metallic pigment with a binder and said thermosetting resin powder comprises a ?-hydroxyalkylamide curing agent expressed by the following general formula (1): wherein R1 represents a hydrogen atom, a methyl group or an ethyl group, R2 represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms or HOCH(R1)CH2—, and A represents a bivalent hydrocarbon group.
    Type: Application
    Filed: February 1, 2006
    Publication date: August 3, 2006
    Applicant: Nippon Paint Co., Ltd.
    Inventors: Masami Yabuta, Nobuo Iga, Tomoya Tsuji, Yuji Toyoda