Patents by Inventor Yasuhiko Nagashima
Yasuhiko Nagashima 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: 10854396Abstract: A packaging material for electrochemical cells, which has insulating properties sufficient for preventing a short circuit, while exhibiting excellent electrolyte solution resistance and water vapor barrier properties. A packaging material for electrochemical cells is obtained by sequentially laminating a metal layer, an adhesive resin layer and a thermally adhesive resin layer in this order, wherein: a base coating layer is provided between the metal layer and the adhesive resin layer; and the base coating layer contains at least a zirconium oxide (A) having an average particle diameter within the range of from 1 nm to 500 nm (inclusive), one or more phosphorus-containing compounds (B) selected from the group of phosphorus compounds having 4 or more phosphonic groups in each molecule, and an acid-modified polyolefin resin (C).Type: GrantFiled: March 21, 2017Date of Patent: December 1, 2020Assignees: DAI NIPPON PRINTING CO., LTD., NIHON PARKERIZING CO., LTD.Inventors: Kazuhiko Yokota, Rikiya Yamashita, Yasuhiko Nagashima
-
Publication number: 20190180951Abstract: A packaging material for electrochemical cells, which has insulating properties sufficient for preventing a short circuit, while exhibiting excellent electrolyte solution resistance and water vapor barrier properties. A packaging material for electrochemical cells is obtained by sequentially laminating a metal layer, an adhesive resin layer and a thermally adhesive resin layer in this order, wherein: a base coating layer is provided between the metal layer and the adhesive resin layer; and the base coating layer contains at least a zirconium oxide (A) having an average particle diameter within the range of from 1 nm to 500 nm (inclusive), one or more phosphorus-containing compounds (B) selected from the group of phosphorus compounds having 4 or more phosphonic groups in each molecule, and an acid-modified polyolefin resin (C).Type: ApplicationFiled: March 21, 2017Publication date: June 13, 2019Applicants: DAI NIPPON PRINTING CO., LTD., NIHON PARKERIZING CO., LTD.Inventors: Kazuhiko YOKOTA, Rikiya YAMASHITA, Yasuhiko NAGASHIMA
-
Patent number: 9879346Abstract: Disclosed are: a chemical conversion treatment solution for metal surfaces, which enables the formation of a chemical conversion coating film having excellent corrosion resistance and adhesion properties on metal base materials even though the solution does not contain chromium and fluorine, comprising at least one compound (A) selected from a water-soluble titanium compound and a water-soluble zirconium compound and an organic compound (B) that has multiple functional groups and can serve as a stabilizing agent, and which has a pH value of 2.0 to 6.5, wherein the content of the compound (A) is 0.1 to 10 mmol/L, and the content of the organic compound (B) is 2.5- to 10-fold larger than the content of the metal in the compound (A) by mole; and a method for treating the surface of a metal base material or a structure or body using the chemical conversion treatment solution for metal surfaces.Type: GrantFiled: December 20, 2011Date of Patent: January 30, 2018Assignee: Henkel AG & Co. KGaAInventors: Takahiro Kodama, Yasuhiko Nagashima, Noriaki Kobayashi
-
Chemical conversion treatment solution for a steel material and chemical conversion treatment method
Patent number: 8535456Abstract: A chemical conversion treatment solution for a steel material is provided. The solution is an acidic aqueous solution of pH 3 to 5 containing 50 to 500 ppm by weight of zirconium fluoride complex in terms of Zr, 5 to 50 ppm by weight of free fluorine, and 5 to 30% by weight in relation to Zr of polyethyleneimine having a weight average molecular weight of 300 to 10,000, a molar ratio of the primary amino group of at least 30%, and a molar ratio of the tertiary amino group of at least 15% in relation to the total amino group content. A method for chemical conversion treatment is also provided. This invention realizes excellent coating adhesion and corrosion resistance after the coating, as well as improved throwing power in the coating, and in particular, in the electrodeposition coating of a steel material.Type: GrantFiled: January 11, 2011Date of Patent: September 17, 2013Assignee: Henkel AG & Co. KGaAInventors: Hitoshi Ishii, Yasuhiko Nagashima -
Patent number: 8318256Abstract: A metallic material is provided that is superior to an iron-based metallic material in all of adhesion, heat resistance, electrical conductivity, and corrosion resistance, and a method of manufacturing the metallic material is also provided. A metallic material is provided that includes an iron-based metallic material and an oxide layer formed on the surface of the iron-based metallic material. The oxide layer includes Fe and at least one kind of metal (A) selected from a group consisting of Zr, Ti, and Hf. There is also provided a method of manufacturing the metallic material.Type: GrantFiled: August 26, 2010Date of Patent: November 27, 2012Assignee: Henkel AG & Co. KGaAInventors: Hitoshi Ishii, Yasuhiko Nagashima, Ryosuke Kawagoshi
-
Publication number: 20120145282Abstract: Disclosed are: a chemical conversion treatment solution for metal surfaces, which enables the formation of a chemical conversion coating film having excellent corrosion resistance and adhesion properties on metal base materials even though the solution does not contain chromium and fluorine, comprising at least one compound (A) selected from a water-soluble titanium compound and a water-soluble zirconium compound and an organic compound (B) that has multiple functional groups and can serve as a stabilizing agent, and which has a pH value of 2.0 to 6.5, wherein the content of the compound (A) is 0.1 to 10 mmol/L, and the content of the organic compound (B) is 2.5- to 10-fold larger than the content of the metal in the compound (A) by mole; and a method for treating the surface of a metal base material or a structure or body using the chemical conversion treatment solution for metal surfaces.Type: ApplicationFiled: December 20, 2011Publication date: June 14, 2012Applicant: Henkel AG & Co. KGaAInventors: Takahiro KODAMA, Yasuhiko NAGASHIMA, Noriaki KOBAYASHI
-
CHEMICAL CONVERSION TREATMENT SOLUTION FOR A STEEL MATERIAL AND CHEMICAL CONVERSION TREATMENT METHOD
Publication number: 20110100830Abstract: A chemical conversion treatment solution for a steel material is provided. The solution is an acidic aqueous solution of pH 3 to 5 containing 50 to 500 ppm by weight of zirconium fluoride complex in terms of Zr, 5 to 50 ppm by weight of free fluorine, and 5 to 30% by weight in relation to Zr of polyethyleneimine having a weight average molecular weight of 300 to 10,000, a molar ratio of the primary amino group of at least 30%, and a molar ratio of the tertiary amino group of at least 15% in relation to the total amino group content. A method for chemical conversion treatment is also provided. This invention realizes excellent coating adhesion and corrosion resistance after the coating, as well as improved throwing power in the coating, and in particular, in the electrodeposition coating of a steel material.Type: ApplicationFiled: January 11, 2011Publication date: May 5, 2011Applicant: Henkel AG & Co., KGaAInventors: Hitoshi Ishii, Yasuhiko Nagashima -
Publication number: 20110094630Abstract: The present invention provides a chemical conversion solution and the surface treating method for realizing high corrosion resistance and high coating adhesion of the metal surface, as well as high throwing power during electrodeposition, and generating no sludge. A chemical conversion solution comprising (A) at least one compound selected from water-soluble germanium compound, water-soluble tin compound, and water-soluble copper compound, (B) at least one compound selected from water-soluble titanium compound and water-soluble zirconium compound, (C) at least one water-soluble nitrate compound, (D) at least one compound selected from water-soluble aluminum compound and water-soluble magnesium compound, (E) at least one water-soluble zinc compound, and (F) at least one fluorine compound, and, the coating process for the metal structure.Type: ApplicationFiled: December 30, 2010Publication date: April 28, 2011Applicant: Henkel AG & Co. KGaAInventors: Masayuki Yoshida, Yasuhiko Nagashima, Ryosuke Kawagoshi
-
Publication number: 20110076505Abstract: A metallic material is provided that is superior to an iron-based metallic material in all of adhesion, heat resistance, electrical conductivity, and corrosion resistance, and a method of manufacturing the metallic material is also provided. A metallic material is provided that includes an iron-based metallic material and an oxide layer formed on the surface of the iron-based metallic material. The oxide layer includes Fe and at least one kind of metal (A) selected from a group consisting of Zr, Ti, and Hf. There is also provided a method of manufacturing the metallic material.Type: ApplicationFiled: August 26, 2010Publication date: March 31, 2011Applicant: Henkel AG & Co., KGaAInventors: Hitoshi Ishii, Yasuhiko Nagashima, Ryosuke Kawagoshi
-
Patent number: 6723178Abstract: A metal surface on which a phosphate conversion coating is to be formed and which has been surface conditioned by contact with a liquid surface conditioner composition that contains dispersed fine particles of solid phosphate of at least one divalent or trivalent cations type and an adhesion promoting agent. After such conditioning, a very high quality conversion coating can be formed on the surface by contact with a nickel-free liquid phosphating composition that contains at least acid, zinc cations, and phosphate anions and optionally and preferably also contains other materials.Type: GrantFiled: January 19, 2002Date of Patent: April 20, 2004Assignee: Henkel CorporationInventors: Hirokatsu Bannai, Yasuhiko Nagashima, Takaomi Nakayama
-
Patent number: 6478860Abstract: A highly effective and storage stable conditioning treatment for metal surfaces prior to phosphating them is a suspension in water containing solid miorosize particles of at least one phosphate of a divalent or trivalent metal and an accelerant selected from the group consisting of sacoharides and their derivatives thereof, orthophosphoric acid, condensed phosphoric acids, organophosphonic acids, and polymers of vinyl acetate and/or carboxylic acid. The surface conditioning liquid composition is used simply by effecting contact between the metal and the liquid composition, and can also be used to simultaneously carry out degreasing, particularly when the conditioning liquid also contains nonionic or anionic surfactant.Type: GrantFiled: January 22, 2001Date of Patent: November 12, 2002Assignee: Henkel CorporationInventors: Takaomi Nakayama, Yasuhiko Nagashima, Kensuke Shimoda, Hirokastu Bannai
-
Patent number: 6231688Abstract: A zinc phosphate-type conversion film having microfine-sized crystals is formed on metal surfaces using a conversion treatment bath that contains zinc ions and phosphate ions along with 50 to 1500 ppm of an organoperoxide conversion accelerator, and optionally surfactant. Surface-conditioning treatments can be omitted from this method.Type: GrantFiled: June 8, 1998Date of Patent: May 15, 2001Assignee: Henkel CorporationInventors: Hitoshi Ishii, Yasuhiko Nagashima
-
Patent number: 6214132Abstract: A pretreatment before phosphating conversion coating is effected by contacting a metal substrate to be coated with a pretreatment composition that has a pH from 4 to 13 and contains dispersed fine particle size alkali metal or ammonium salts and divalent or trivalent metal phosphates. The conditioning achieved is as good as with conventional Jernstedt salts and the pretreatment compositions according to the invention are more storage stable.Type: GrantFiled: September 3, 1999Date of Patent: April 10, 2001Assignee: Henkel CorporationInventors: Takaomi Nakayama, Yasuhiko Nagashima, Kensuke Shimoda
-
Patent number: 6180177Abstract: In the composition of the surface-treatment agent used for metallic material, a composition having such high corrosion-resistance as to replace the chromate coating is provided. In the composition of the surface-treatment agent provided for the metallic material, fingerprint resistance, blackening resistance and adhesiveness of paint coating are also improved.Type: GrantFiled: June 10, 1999Date of Patent: January 30, 2001Assignee: Nihon Parkerizing Co., Ltd.Inventors: Yasuhiko Nagashima, Hiroki Hayashi
-
Patent number: 5932292Abstract: A zinc phosphate conversion coating which is accelerated only with nitrogen free organic peroxides is low-polluting and able to form uniform, fine, and dense conversion coatings that exhibit an excellent paint adherence when thin and excellent lubricity/lubricant carrier quality when thick.Type: GrantFiled: June 6, 1997Date of Patent: August 3, 1999Assignee: Henkel CorporationInventors: Yasuhiko Nagashima, Hitoshi Ishii
-
Patent number: 5888315Abstract: A zinc phosphating composition containing organoperoxide along with zinc ions and phosphate ions forms finely crystalline, dense, and thin conversion coatings on metal surfaces that are normally zinc phosphate conversion coated, even at coating temperatures below 50.degree. C. and without any "conditioning" of the surface before conversion coating by contact of the surface to be conversion coated with a conventional colloidal suspension of titanium salts.Type: GrantFiled: September 5, 1997Date of Patent: March 30, 1999Assignee: Henkel CorporationInventors: Hitoshi Ishii, Yasuhiko Nagashima