Patents by Inventor Eisaku Okada
Eisaku Okada 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).
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Publication number: 20240042484Abstract: The method for producing a repair sheet includes: attaching a nonpolar resin plate to an appropriate position on a dummy vehicle body corresponding to a repair area including a coating film in need of repair; supplying the dummy vehicle body to a topcoat application line and forming a pigment layer on a nonpolar resin plate and a clear layer on a nonpolar resin plate under a condition equal to that for topcoat application to a vehicle body to be actually coated; and supplying the dummy vehicle body to a coating drying line and drying the nonpolar resin plate having the pigment layer and the nonpolar resin plate having the clear layer formed thereon under a condition equal to that for coating drying of the vehicle body to be actually coated.Type: ApplicationFiled: July 27, 2023Publication date: February 8, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takayuki NAGAI, Eisaku OKADA, Shuji NAKAGAWA, Kazuhide TABATA, Masao HAYASHIDA, Keisuke ITO
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Publication number: 20240037621Abstract: A vehicle design system allowing a user to obtain a favorite design for the coating of a vehicle. The vehicle design system that presents a design for the coating of a vehicle to a user includes a processing device including: a design registration unit having registered therein a plurality of pieces of design information on the vehicle; a designer registration unit having registered therein designer information for each of a plurality of designers creating a design of the vehicle; a design output unit that outputs to a display device registered design information; a design selection determination unit that determines whether the design information output to the display device has been selected by an input from an input device; and a designer output unit that, if it is determined that the design information has not been selected, outputs designer information registered in the designer registration unit to the display device.Type: ApplicationFiled: July 21, 2023Publication date: February 1, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Junya OGAWA, Mai KATO, Asuka KUROKAWA, Eisaku OKADA
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Patent number: 9663681Abstract: An intermediate coating composition used in forming an intermediate coating layer directly overlaid on a surface of an electrodeposition coating layer constructing a vehicle outer panel, the coating composition containing as resin components: (a) 1% to 27% by mass of a polycaprolactonetriol; (b) 20% to 60% by mass of a blocked isocyanate; and (c) 1% to 20% by mass of a melamine resin, each at a percentage content in entire resin components, and the coating composition further containing as a pigment component: (d) 1% to 10% by mass of talc in terms of pigment mass concentration. As the resin component, (e) greater than 0% to 10% by mass of an epoxy resin is preferably contained. A urethane curing catalyst is preferably contained in an amount of greater than 0.01 parts to 2 parts by mass with respect to 100 parts by mass of the entire resin components.Type: GrantFiled: March 19, 2015Date of Patent: May 30, 2017Assignees: NIPPON PAINT AUTOMOTIVE COATINGS CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideki Ichimura, Takashi Irie, Yoshikazu Kasahara, Yoshinobu Watanabe, Masahiko Ishii, Eisaku Okada
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Patent number: 9617650Abstract: The present invention provides a cationic electrodeposition coating composition comprising: a specific amino group-containing modified epoxy resin (A); a blocked polyisocyanate curing agent (B); a water-soluble zirconium compound (C); and sulfamic acid, wherein the water-soluble zirconium compound (C) is present in an amount of 10 to 10,000 ppm, calculated as the mass of the elemental zirconium, relative to the mass of the cationic electrodeposition coating composition.Type: GrantFiled: April 4, 2012Date of Patent: April 11, 2017Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, KANSAI PAINT CO., LTD.Inventors: Eisaku Okada, Kouji Takezoe, Hirokazu Hayashi
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Publication number: 20150275037Abstract: An intermediate coating composition used in forming an intermediate coating layer directly overlaid on a surface of an electrodeposition coating layer constructing a vehicle outer panel, the coating composition containing as resin components: (a) 1% to 27% by mass of a polycaprolactonetriol; (b) 20% to 60% by mass of a blocked isocyanate; and (c) 1% to 20% by mass of a melamine resin, each at a percentage content in entire resin components, and the coating composition further containing as a pigment component: (d) 1% to 10% by mass of talc in terms of pigment mass concentration. As the resin component, (e) greater than 0% to 10% by mass of an epoxy resin is preferably contained. A urethane curing catalyst is preferably contained in an amount of greater than 0.01 parts to 2 parts by mass with respect to 100 parts by mass of the entire resin components.Type: ApplicationFiled: March 19, 2015Publication date: October 1, 2015Applicants: NIPPON PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideki ICHIMURA, Takashi IRIE, Yoshikazu KASAHARA, Yoshinobu WATANABE, Masahiko ISHII, Eisaku OKADA
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Publication number: 20150275036Abstract: An intermediate coating composition used in forming an intermediate coating layer directly overlaid on the surface of an electrodeposition coating layer constructing a vehicle outer panel, wherein a coating film obtained by curing of the intermediate coating composition alone has following characteristics (1) to (4): (1) a loss tangent (tan ?) at ?20° C. as determined from a measurement of a dynamic viscoelasticity under a condition involving a rate of temperature rise of 2° C./min and a frequency of 8 Hz being 0.01 to 0.5; (2) a dynamic glass transition temperature being ?15° C. to 55° C.; (3) percentage of elongation at ?20° C. being 1% to 250%; and (4) a Young's modulus at ?20° C. being 400 kgf/cm2 to 50,000 kgf/cm2. The coating film obtained from the intermediate coating composition preferably further has the following characteristic (5): a tensile strength at ?20° C. being 200 kgf/cm2 to 1,200 kgf/cm2.Type: ApplicationFiled: March 19, 2015Publication date: October 1, 2015Applicants: NIPPON PAINT CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideki ICHIMURA, Takashi Irie, Yoshikazu Kasahara, Yoshinobu Watanabe, Masahiko Ishii, Eisaku Okada
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Publication number: 20140042031Abstract: The present invention provides a cationic electrodeposition coating composition comprising: a specific amino group-containing modified epoxy resin (A); a blocked polyisocyanate curing agent (B); a water-soluble zirconium compound (C); and sulfamic acid, wherein the water-soluble zirconium compound (C) is present in an amount of 10 to 10,000 ppm, calculated as the mass of the elemental zirconium, relative to the mass of the cationic electrodeposition coating composition.Type: ApplicationFiled: April 4, 2012Publication date: February 13, 2014Applicants: Kansai Paint Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Eisaku Okada, Kouji Takezoe, Hirokazu Hayashi
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Patent number: 8414753Abstract: This invention concerns a method for forming a coating film on a metallic substrate by a multistage energization method at no less than two stages using an electrodeposition bath which comprises a water-based film-forming agent comprising zirconium compound and, as the base resin, an amino group-containing modified epoxy resin which is obtained through reaction of an epoxy resin with an amino group-containing compound, said epoxy resin having been obtained through reaction of a diepoxide compound, a bisphenol epoxy resin and bisphenols; whereby coated articles excelling in corrosion resistance are offered.Type: GrantFiled: May 20, 2009Date of Patent: April 9, 2013Assignees: Toyota Jidosha Kabushiki Kaisha, Kansai Paint Co., Ltd.Inventors: Eisaku Okada, Hirokazu Hayashi, Minoru Hanatani
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Publication number: 20110068009Abstract: This invention concerns a method for forming a coating film on a metallic substrate by a multistage energization method at no less than two stages using an electrodeposition bath which comprises a water-based film-forming agent comprising zirconium compound and, as the base resin, an amino group-containing modified epoxy resin which is obtained through reaction of an epoxy resin with an amino group-containing compound, said epoxy resin having been obtained through reaction of a diepoxide compound, a bisphenol epoxy resin and bisphenols; whereby coated articles excelling in corrosion resistance are offered.Type: ApplicationFiled: May 20, 2009Publication date: March 24, 2011Inventors: Eisaku Okada, Hirokazu Hayashi, Minoru Hanatani
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Patent number: 7906002Abstract: This invention relates to a method for forming on a metal substrate a surface treating film excelling in corrosion resistance and stability of film-forming agent, by applying a film-forming agent thereto by a multistage electrification system comprising at least two stages.Type: GrantFiled: August 1, 2007Date of Patent: March 15, 2011Assignees: Kansai Paint Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Masaharu Shimoda, Eisaku Okada
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Patent number: 7819989Abstract: A composition for surface treatment of aluminium, aluminum alloys, magnesium or magnesium alloys and the treating solutions being diluted to the desired concentration are defined. The composition contains (1) compound A containing at least one metal element selected from the group consisting of Hf(IV), Ti(IV) and Zr(IV), (2) a fluorine-containing compound of sufficient amount to make fluorine exist in the composition in an amount of at least 5 times the molarity of the total molarity of the metal contained in the above-mentioned compound A, (3) at least one metal ion B selected from the group of alkaline earth metals, (4) at least one metal ion C selected from the group consisting of Al, Zn, Mg, Mn and Cu, and (5) nitric ion and the mol concentration of compound A is 0.1-50 mmol/L as the metal element of Hf(IV), Ti(IV) and Zr(IV). A metal treated with the treating method of the present invention solution has an excellent resistance to various corrosive environments.Type: GrantFiled: June 12, 2002Date of Patent: October 26, 2010Assignees: Nihon Parkerizing Co., Ltd., Toyota Jidosha Kabushiki KaishaInventors: Kazuhiro Ishikura, Michiro Kurosawa, Takaomi Nakayama, Hiroyuki Sato, Tadashi Matsushita, Eisaku Okada, Fumiya Yoshida, Katsuhiro Shiota
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Patent number: 7625476Abstract: This invention relates to a method for forming on a metal substrate a surface treating film excelling in corrosion resistance and stability of film-forming agent, by applying a film-forming agent by a multistage electrification system comprising at least two stages.Type: GrantFiled: August 8, 2007Date of Patent: December 1, 2009Assignees: Kansai Paint Co., Ltd, Toyota Jidosha Kabushiki KaishaInventors: Masaharu Shimoda, Eisaku Okada
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Publication number: 20090266714Abstract: The present invention is to provide a method for forming a multi-layer coating film, which can combine a pre-treating step conducted for a metal substrate, before electrodeposition coating, and an electrodeposition coating step. The method comprises: a step of dipping a material to be coated in an aqueous coating composition comprising (A) a rare earth metal compound, (B) a base resin having a cationic group, and (C) a curing agent, wherein a content of the rare earth metal compound (A) in the aqueous coating composition is limited to specific range; a pre-treating step of applying a voltage of less than 50 V in the aqueous coating composition, wherein the material to be coated is used as a cathode; and an electrodeposition coating of applying a voltage of 50 to 450 V in the aqueous coating composition, wherein the material to be coated is used as a cathode.Type: ApplicationFiled: April 7, 2006Publication date: October 29, 2009Inventors: Toshio Kaneko, Satoshi Okamoto, Masanobu Futsuhara, Makoto Doi, Eisaku Okada, Takehiro Nito
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Publication number: 20090208716Abstract: The present invention relates to a composite chemical conversion coating film containing a crystalline continuous coating film that is formed on a metal substrate. The present invention also relates to a process for forming a multiple layered coating film including (A) the first step of immersing an untreated metal substrate in an aqueous solution containing nitrate of a rare earth metal and forming a crystalline continuous coating film containing a rare earth metal compound with a deposition amount of 1 mg/m2 at lower limit and 110 mg/m2 at upper limit by cathode electrolysis and (B) the second step of coating an electrodeposition coating composition containing an organic acid or inorganic acid salt of a rare earth metal by cathode electrodeposition.Type: ApplicationFiled: March 5, 2007Publication date: August 20, 2009Inventors: Toshio Kaneko, Satoshi Okamoto, Masanobu Futsuhara, Makoto Doi, Eisaku Okada
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Patent number: 7531051Abstract: The present invention is the method for surface treatment of a metal material containing iron and/or zinc, containing component (A) and component (B); where (A) is a compound containing at least one metal element selected from the group consisting of Ti, Zr, Hf and Si, (B) is a compound containing fluorine as a supplying source of HF, wherein the ratio K=A/B between the total mole weight A of metal elements of Ti, Zr, Hf and Si in the compound of component (A) and the mole weight B which when the total fluorine atoms in the fluorine-containing compound of component (B) is converted to HF is within the range of 0.06?K?0.18, and the concentration of component (A) indicated by the total mole concentration of metal elements of Ti, Zr, Hf and Si is within the region of 0.05 to 100 m mol/L. To the treating solution for surface treatment, at least one compound containing at least one metal element selected from the group consisting of Ag, Al, Cu, Fe, Mn, Mg, Ni, Co and Zn can be blended.Type: GrantFiled: June 12, 2002Date of Patent: May 12, 2009Assignees: Nihon Parkerizing Co., Ltd., Toyota Jidosha Kabushiki Kaisha, Daihatsu Motor Co., Ltd.Inventors: Takaomi Nakayama, Hiroyuki Sato, Tetsuo Ootsuki, Tadashi Matsushita, Eisaku Okada, Fumiya Yoshida, Katsuhiro Shiota
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Publication number: 20060185769Abstract: Treating solution for surface treatment of metal to treat one metal material selected from the group consisting of ferriferous material, zinciferous material, aluminiferous material and magnesiferous material or to treat two or more metal materials selected from the group consisting of ferriferous material, zinciferous material, aluminiferous material and magnesiferous material at the same time, wherein the aqueous surface treating solution contains from 5 to 5000 ppm of at least one compound selected from the group consisting of zirconium compound and titanium compound by the metal element, and from 0.1 to 100 ppm of free fluorine ion, further the pH of the treating solution is from 2 to 6. To the treating solution, calcium compound, magnesium compound, strontium compound, nitric acid group, oxygen acid and/or salt of oxygen acid, polymer compound and surface active agent can be added.Type: ApplicationFiled: December 11, 2003Publication date: August 24, 2006Inventors: Takaomi Nakayama, Hiroyuki Sato, Toshiyuki Aishima, Eisaku Okada, Fumiya Yoshida, Katsuhiro Shiota
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Publication number: 20050067057Abstract: A composition for surface treatment of aluminium, aluminum alloy, magnesium or magnesium alloy and the treating solutions being diluted to the desired concentration are defined. A said composition of this invention containing (1) compound A containing at least one metal element selected from the group consisting of Hf(IV), Ti(IV) and Zr(IV), (2) fluorine containing compound of sufficient amount to make fluorine existed in the composition at least by 5 times of molarity to the total molarity of metal contained in above mentioned compound A, (3) at least one metal ion B selected from the group of alkaline earth metals, (4) at least one metal ion C selected from the group consisting of Al, Zn, Mg, Mn and Cu, and (5) nitric ion and the mol concentration of compound A is 0.1-50 mmol/L as metal element of Hf(IV), Ti(IV) and Zr(IV). The metal treated with the treating method applying the present invention solution has excellent resistance to various corrosive environments.Type: ApplicationFiled: June 12, 2002Publication date: March 31, 2005Inventors: Kazuhiro Ishikura, Michiro Kurosawa, Takaomi Nakayama, Hiroyuki Sato, Tadashi Matsushita, Eisaku Okada, Fumiya Yoshida, Katsuhiro Shiota
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Publication number: 20040244874Abstract: The present invention is the method for surface treatment of a metal material containing iron and/or zinc, comprising component (A) and component (B);Type: ApplicationFiled: July 19, 2004Publication date: December 9, 2004Inventors: Takaomi Nakayama, Hiroyuki Sato, Tetsuo Ootsuki, Tadashi Matsushita, Eisaku Okada, Fumiya Yoshida, Katsuhiro Shiota