Patents by Inventor Shinji Ooe

Shinji Ooe 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: 7861489
    Abstract: A preform having edges overlapped and jointed, two outer members for forming outer surfaces of a hydroformed product, and reinforcement members for forming reinforcement ribs that divide a hollow cross section of the hydroformed product, including a joint formed by, when more than three sheet materials for forming the outer members and the reinforcement members are overlapped together, welding a first sheet material on a surface of the overlapped sheet materials to a second sheet material positioned inside the first sheet material, and a space disposed and aligned with a joint plane between the second sheet material and a third sheet material located inside the second sheet material during the welding process.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: January 4, 2011
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Kazuto Ueno, Hajime Minagawa, Shinji Ooe, Kazuhiro Mitamura, Satoru Majima, Takashi Haraoka, Masaaki Yoshitome, Hideto Kanafusa, Tomoaki Watari, Tomoyuki Hirota
  • Patent number: 7788856
    Abstract: A preform having edges overlapped and jointed, two outer members for forming outer surfaces of a hydroformed product, and reinforcement members for forming reinforcement ribs that divide a hollow cross section of the hydroformed product, including a joint formed by, when more than three sheet materials for forming the outer members and the reinforcement members are overlapped together, welding a first sheet material on a surface of the overlapped sheet materials to a second sheet material positioned inside the first sheet material, and a space disposed and aligned with a joint plane between the second sheet material and a third sheet material located inside the second sheet material during the welding process.
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: September 7, 2010
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Kazuto Ueno, Hajime Minagawa, Shinji Ooe, Kazuhiro Mitamura, Satoru Majima, Takashi Haraoka, Masaaki Yoshitome, Hideto Kanafusa, Tomoaki Watari, Tomoyuki Hirota
  • Publication number: 20100115773
    Abstract: A preform having edges overlapped and jointed, two outer members for forming outer surfaces of a hydroformed product, and reinforcement members for forming reinforcement ribs that divide a hollow cross section of the hydroformed product, including a joint formed by, when more than three sheet materials for forming the outer members and the reinforcement members are overlapped together, welding a first sheet material on a surface of the overlapped sheet materials to a second sheet material positioned inside the first sheet material, and a space disposed and aligned with a joint plane between the second sheet material and a third sheet material located inside the second sheet material during the welding process.
    Type: Application
    Filed: May 12, 2009
    Publication date: May 13, 2010
    Inventors: Kazuto UENO, Hajime MINAGAWA, Shinji OOE, Kazuhiro MITAMURA, Satoru MAJIMA, Takashi HARAOKA, Masaaki YOSHITOME, Hideto KANAFUSA, Tomoaki WATARI, Tomoyuki HIROTA
  • Publication number: 20070037033
    Abstract: A separator for a fuel cell comprises a corrugated or undulated gas flow path portion (4) formed on central portion (2) of a clad thin plate: and a flat portion (6) formed on an outer periphery of the central portion, wherein the clad thin plate is obtained by applying rolling work on a metal plate whose surface is covered with a precious metal layer at a draft of 5% to 15% to make clad, and a limit plate thickness residual rate indicating a boundary limit in which cracking of the precious metal layer in the clad thin plate and reduction of corrosion resistance due to exposure of the metal plate are negligible is obtained in advance, wherein regarding a sectional shape in a direction orthogonal to a flow path of the gas flow path portion (4), when a plate thickness of the thinnest portion of a rib shoulder portion is represented as t2 and a plate thickness of a peripheral portion of the separator is represented as t4, a relationship of t2?t4√ólimit plate thickness residual rate is satisfied.
    Type: Application
    Filed: August 19, 2004
    Publication date: February 15, 2007
    Applicant: Nissan Motor Co., Ltd.
    Inventors: Nobutaka Chiba, Keizo Otani, Shinji Ooe, Makoto Kano
  • Publication number: 20060076471
    Abstract: A preform having edges overlapped and jointed, two outer members for forming outer surfaces of a hydroformed product, and reinforcement members for forming reinforcement ribs that divide a hollow cross section of the hydroformed product, including a joint formed by, when more than three sheet materials for forming the outer members and the reinforcement members are overlapped together, welding a first sheet material on a surface of the overlapped sheet materials to a second sheet material positioned inside the first sheet material, and a space disposed and aligned with a joint plane between the second sheet material and a third sheet material located inside the second sheet material during the welding process.
    Type: Application
    Filed: July 28, 2005
    Publication date: April 13, 2006
    Inventors: Kazuto Ueno, Hajime Minagawa, Shinji Ooe, Kazuhiro Mitamura, Satoru Majima, Takashi Haraoka, Masaaki Yoshitome, Hideto Kanafusa, Tomoaki Watari, Tomoyuki Hirota
  • Patent number: 6415638
    Abstract: For forming a tubular work into a shaped hollow product by using hydroforming process, a method and a device are described. In the method, female and male dies are prepared. The female die has a longitudinally extending cavity which has a polygonal cross section when receiving the male die. The tubular work is placed into the cavity of the female die. The interior of the tubular work is then fed with a hydraulic fluid, and the pressure of the fluid is increased to a given level. The given level is smaller than a critical level that causes a bulging of the tubular work. The male die is then pressed against the tubular work to deform the same while keeping the hydraulic fluid at the given level, thereby forming a shaped hollow product that has a polygonal cross section that conforms to that of the cavity. The pressing work is continued until a circumferential length of the shaped hollow product becomes shorter than that of the tubular work.
    Type: Grant
    Filed: March 24, 2000
    Date of Patent: July 9, 2002
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Hiroshi Sakurai, Eizaburou Nakanishi, Shinji Ooe, Masanobu Hayasaka, Junji Katamura