Patents by Inventor Tomoaki Watari

Tomoaki Watari 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).

  • Preform, hydroforming method, and hydroformed product
    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
  • Preform, hydroforming method, and hydroformed product
    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
  • PREFORM, HYDROFORMING METHOD, AND HYDROFORMED PRODUCT
    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
  • Preform, hydroforming method, and hydroformed product
    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