Patents by Inventor Kunihiro Takei

Kunihiro Takei 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: 20190245189
    Abstract: Provided are an electrode lead wire member including a sealing film having high adhesive strength and resistance to an electrolytic solution, and a battery including the electrode lead wire member. Provided is an electrode lead wire member including: a derivation portion extending in one direction; a surface-treated layer formed, at the derivation portion, on a surface of the derivation portion; and a sealing film provided in contact with the surface-treated layer, in which the sealing film has an adhesive resin layer in contact with the surface-treated layer, and the adhesive resin layer contains imine-modified polyolefin or modified polyolefin having a carbodiimide group.
    Type: Application
    Filed: February 4, 2019
    Publication date: August 8, 2019
    Inventors: Kunihiro TAKEI, Hirokazu IIZUKA, Shunsuke TAKEYAMA
  • Publication number: 20190062604
    Abstract: Provided are an adhesive resin composition having high adhesiveness and high strength in acid resistance, and a laminate including the same. Provided is an adhesive resin composition including an acid-modified polyolefin resin component (A) having a weight average molecular weight of 30,000 or more and 150,000 or less, a resin component (B) having an epoxy group in a molecule, a resin component (C) having an amino group at a molecular end, and a solvent (S), in which a content of the resin component (B) is 1 part by mass or more and 30 parts by mass or less based on 100 parts by mass of the acid-modified polyolefin resin component (A), and a content of the resin component (C) is 0.5 parts by mass or more and 15 parts by mass or less based on 100 parts by mass of the acid-modified polyolefin resin component (A).
    Type: Application
    Filed: August 2, 2018
    Publication date: February 28, 2019
    Inventors: Hirokazu IIZUKA, Kunihiro TAKEI, Jun SUZUKI
  • Publication number: 20190062605
    Abstract: Provided are an adhesive resin composition that can be uniformly applied, has high adhesiveness, and further has high strength in acid resistance, and a laminate including the same. Provided is an adhesive resin composition including an acid-modified polyolefin resin component having a melting point of higher than 80° C. and 140° C. or lower, a crosslinking agent component, and a solvent component, in which the solvent component contains an aromatic solvent, an aliphatic solvent, and a ketone-based solvent, the aromatic solvent has a highest boiling point, and the solvent component contains the aromatic solvent in an amount of 50 parts by mass or more and 80 parts by mass or less, the aliphatic solvent in an amount of 10 parts by mass or more and 30 parts by mass or less, and the ketone-based solvent in an amount of 5 parts by mass or more and 20 parts by mass or less, based on 100 parts by mass of a total amount of the solvent component.
    Type: Application
    Filed: August 2, 2018
    Publication date: February 28, 2019
    Inventors: Hirokazu IIZUKA, Kunihiro TAKEI, Jun SUZUKI
  • Publication number: 20190031928
    Abstract: The present invention provides an adhesive resin composition that has excellent adhesiveness and durability, a method for bonding adherends, and an adhesive resin film More specifically, the present invention relates to an adhesive resin composition containing more than 50 parts by mass and 99.5 parts by mass or less in a solid content of an acid-modified polyolefin resin having a melting point of 50 to 100° C., 0.
    Type: Application
    Filed: December 12, 2016
    Publication date: January 31, 2019
    Inventors: Hirokazu IIZUKA, Kunihiro TAKEI, Yuiko MARUYAMA, Yuki SATO
  • Publication number: 20190001635
    Abstract: The present invention relates to a hot-melt adhesive resin film having an excellent adhesive force and durability to various adherends such as metal, glass, and plastic, and a production method thereof. More particularly, the present invention relates to a hot-melt adhesive resin film including a first surface layer, a first intermediate layer, a substrate layer having heat resistance, a second intermediate layer, and a second surface layer, which are laminated in this order, in which the first intermediate layer and the second intermediate layer include a resin which is obtained by modifying a copolymer of propylene and 1-butene with maleic acid, and a production method thereof.
    Type: Application
    Filed: August 3, 2016
    Publication date: January 3, 2019
    Inventors: Kunihiro TAKEI, Yuiko MARUYAMA, Hirokazu IIZUKA
  • Publication number: 20190001634
    Abstract: The present invention relates to a hot-melt adhesive resin film which does not cause peeling between respective layers, has an excellent adhesive force, and has strong adherability even in severe durability evaluation, to various planar or film-like adherends such as metal, glass, and plastic, and a production method thereof. More particularly, the present invention relates to a hot-melt adhesive resin film including a first adhesive layer, a first intermediate layer, a substrate layer having heat resistance, a second intermediate layer, and a second adhesive layer, which are laminated in this order, in which the first adhesive layer and the second adhesive layer comprise an acid-modified polyolefin resin, and a production method thereof.
    Type: Application
    Filed: August 3, 2016
    Publication date: January 3, 2019
    Inventors: Kunihiro TAKEI, Yuiko MARUYAMA, Hirokazu IIZUKA
  • Patent number: D510381
    Type: Grant
    Filed: May 27, 2004
    Date of Patent: October 4, 2005
    Assignee: Yamaha Corporation
    Inventors: Sunao Okamura, Kunihiro Takei
  • Patent number: D527373
    Type: Grant
    Filed: May 27, 2005
    Date of Patent: August 29, 2006
    Assignee: Yamaha Corporation
    Inventor: Kunihiro Takei
  • Patent number: RE37914
    Abstract: CLAIM The ornamental design for an electronic keyboard musical instrument, as shown. DESCRIPTION FIG. 1 is a top view of an electronic keyboard musical instrument; FIG. 2 is a front view thereof; FIG. 3 is a rear view thereof; FIG. 4 is a bottom view thereof; FIG. 5 is a left-side view thereof; and, FIG. 6 is a right-side view thereof.
    Type: Grant
    Filed: August 14, 2000
    Date of Patent: December 3, 2002
    Assignee: Yamaha Corporation
    Inventor: Kunihiro Takei
  • Patent number: D561742
    Type: Grant
    Filed: February 23, 2006
    Date of Patent: February 12, 2008
    Assignee: Yamaha Corporation
    Inventor: Kunihiro Takei
  • Patent number: D585478
    Type: Grant
    Filed: July 14, 2008
    Date of Patent: January 27, 2009
    Assignee: Yamaha Corporation
    Inventor: Kunihiro Takei
  • Patent number: D371790
    Type: Grant
    Filed: January 26, 1995
    Date of Patent: July 16, 1996
    Assignee: Yamaha Corporation
    Inventor: Kunihiro Takei
  • Patent number: D401612
    Type: Grant
    Filed: August 26, 1996
    Date of Patent: November 24, 1998
    Assignee: Yamaha Corporation
    Inventor: Kunihiro Takei
  • Patent number: D411564
    Type: Grant
    Filed: August 7, 1998
    Date of Patent: June 29, 1999
    Assignee: Yamaha Corporation
    Inventor: Kunihiro Takei
  • Patent number: D413617
    Type: Grant
    Filed: July 8, 1998
    Date of Patent: September 7, 1999
    Assignee: Yamaha Corporation
    Inventor: Kunihiro Takei
  • Patent number: D719609
    Type: Grant
    Filed: June 28, 2013
    Date of Patent: December 16, 2014
    Assignee: Yamaha Corporation
    Inventor: Kunihiro Takei
  • Patent number: D772974
    Type: Grant
    Filed: October 9, 2015
    Date of Patent: November 29, 2016
    Assignee: YAMAHA CORPORATION
    Inventor: Kunihiro Takei
  • Patent number: D776189
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: January 10, 2017
    Assignee: YAMAHA CORPORATION
    Inventor: Kunihiro Takei
  • Patent number: D792921
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: July 25, 2017
    Assignee: YAMAHA CORPORATION
    Inventor: Kunihiro Takei
  • Patent number: D826315
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: August 21, 2018
    Assignee: YAMAHA CORPORATION
    Inventor: Kunihiro Takei