Patents by Inventor Yasuhiro Okuri

Yasuhiro Okuri 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: 6146488
    Abstract: The present invention is a weld bonding method providing adhesion by both an adhesive and resistance spot welding, and includes application of an adhesive including a thermosetting epoxy resin, a latent curing agent and 1 to 15 vol % of one or more additives selected from the group consisting of conductive metals, metal oxides, metal carbides, metal nitrides, metal borides, and metal silicides, which are in the from of powder having a particle size of 10 .mu.m or less, or in the form of fragments or flakes having a thickness of 0.5 .mu.m or more and a size of 30 .mu.m or less.
    Type: Grant
    Filed: October 21, 1997
    Date of Patent: November 14, 2000
    Assignees: Furukawa Electric Co., Ltd., Sunstar Giken Kabushikikaisha
    Inventors: Toshiya Okada, Tomiharu Okita, Yasuhiro Okuri, Kiichi Yamashita
  • Patent number: 4943604
    Abstract: A structural adhesive having excellent anti-corrosion properties which comprises: (A) a rubber modified epoxy resin prepared by reaction of a bisphenol epoxy resin and a butadiene-acrylonitrile-(meth)acrylic acid copolymer, (B) an urethane modified epoxy resin, (C) a latent curing agent, and (D) a rust inhibiting pigment selected from the group consisting of: (i) a rust inhibiting pigment comprising aluminum orthophosphate and a zinc compound, (ii) a rust inhibiting pigment comprising aluminum metaphosphate, a zinc compound and/or an alkaline earth metal compound, and (iii) a rust inhibiting pigment comprising aluminum metaphosphate and a zinc compound and optionally an alkaline earth metal compound, wherein the adhesive contains said rubber modified epoxy resin (A) and said urethane modified epoxy resin (B) in a weight ratio of 1:9 to 3:1, and said latent curing agent (C) and said rust inhibiting pigment (D) at 0.
    Type: Grant
    Filed: November 29, 1988
    Date of Patent: July 24, 1990
    Assignee: Sunstar Giken Kabushiki Kaisha
    Inventors: Yasuhiro Okuri, Toshimori Sakakibara
  • Patent number: 4845136
    Abstract: An adhesive resin composition comprising (a) an expoxy resin, (b) a curing agent therefor, and (c) an aluminum orthophosphate-zinc compound rust inhibiting pigment. When applied to the assembly of car body components, the composition assures improved bond strength and corrosion resistance.
    Type: Grant
    Filed: May 27, 1988
    Date of Patent: July 4, 1989
    Assignees: Sunstar Engineering Inc., Teikoku Kako Co., Ltd.
    Inventors: Atsushi Saito, Yasuhiro Okuri, Takahiro Nakano, Masahiko Murakami, Masaaki Okuda