Patents by Inventor Iwao Koizumi

Iwao Koizumi 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).

  • Vehicle body structure
    Patent number: 7651158
    Abstract: Disclosed is a vehicle body structure which has a sub-window plate and a front fender each disposed at the rear of a headlamp lens on a sidewall of a vehicle body. In the vehicle body structure, a longitudinally-extending concave portion 60 is defined between the front fender 4 and a combination of a front pillar 52 and a hood 2. The concave portion 60 has at least a frontward region partly receiving therein a headlamp lens 10 and a rearward region receiving therein the sub-window plate 30 at the rear of the headlamp lens 10, whereby a plurality of components including at least the headlamp lens 10 and the sub-window plate 30 are received in the concave portion 60 to form a belt-line surface module F which continuously covers the concave portion 60 to define a transparent or semi-transparent exterior surface on the sidewall of the vehicle body.
    Type: Grant
    Filed: May 7, 2007
    Date of Patent: January 26, 2010
    Assignee: Mazda Motor Corporation
    Inventors: Iwao Koizumi, Kenji Nonaka, Kouji Kishino, Masayoshi Sannomiya, Tsuneaki Zenitani
  • Vehicle body structure
    Publication number: 20070262615
    Abstract: Disclosed is a vehicle body structure which has a sub-window plate and a front fender each disposed at the rear of a headlamp lens on a sidewall of a vehicle body. In the vehicle body structure, a longitudinally-extending concave portion 60 is defined between the front fender 4 and a combination of a front pillar 52 and a hood 2. The concave portion 60 has at least a frontward region partly receiving therein a headlamp lens 10 and a rearward region receiving therein the sub-window plate 30 at the rear of the headlamp lens 10, whereby a plurality of components including at least the headlamp lens 10 and the sub-window plate 30 are received in the concave portion 60 to form a belt-line surface module F which continuously covers the concave portion 60 to define a transparent or semi-transparent exterior surface on the sidewall of the vehicle body.
    Type: Application
    Filed: May 7, 2007
    Publication date: November 15, 2007
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Iwao Koizumi, Kenji Nonaka, Kouji Kishino, Masayoshi Sannomiya, Tsuneaki Zenitani
  • Bumper of motor vehicle
    Patent number: D524704
    Type: Grant
    Filed: November 30, 2004
    Date of Patent: July 11, 2006
    Assignee: Mazda Motor Corporation
    Inventors: Iwao Koizumi, Satoshi Hayasaka, Yasutake Tsuchida, Kousuke Takahashi, Masashi Aikawa, Kiyoshi Kitsuki, Kazuya Hamada
  • Bumper of motor vehicle
    Patent number: D470086
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: February 11, 2003
    Assignee: Mazda Motor Corporation
    Inventors: Iwao Koizumi, Kaname Sawai, Akira Tamatani, Kouichi Hayashi, Kunihiko Kurisu
  • Center console of motor vehicle
    Patent number: D470808
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: February 25, 2003
    Assignee: Mazda Motor Corporation
    Inventors: Iwao Koizumi, Kouji Sakamoto, Katsuya Miyazaki, Kouichi Hayashi, Eiichi Hamanaga
  • Bumper of motor vehicle
    Patent number: D550129
    Type: Grant
    Filed: December 8, 2004
    Date of Patent: September 4, 2007
    Assignee: Mazda Motor Corporation
    Inventors: Iwao Koizumi, Toshiaki Yamayoshi, Takashi Ono
  • Radiator grill
    Patent number: D475662
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: June 10, 2003
    Assignee: Mazda Motor Corporation
    Inventors: Iwao Koizumi, Dai Kimura, Kouichi Hayashi, Kunihiko Kurisu
  • Bumper for motor vehicle
    Patent number: D608258
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: January 19, 2010
    Assignee: Mazda Motor Corporation
    Inventors: Iwao Koizumi, Tadao Hoshino, Satoshi Hayasaka, Takeshi Shinohara, Kenji Kato
  • Bumper for motor vehicle
    Patent number: D608702
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: January 26, 2010
    Assignee: Mazda Motor Corporation
    Inventors: Iwao Koizumi, Tadao Hoshino, Satoshi Hayasaka, Yuji Ishimoto
  • Portion of a rear light for a motor vehicle
    Patent number: D661829
    Type: Grant
    Filed: February 16, 2011
    Date of Patent: June 12, 2012
    Assignee: Mazda Motor Corporation
    Inventors: Iwao Koizumi, Tomoyuki Mori, Takeshi Tajima, Kazuhiro Ito
  • Portion of a headlight for a motor vehicle
    Patent number: D662634
    Type: Grant
    Filed: February 23, 2011
    Date of Patent: June 26, 2012
    Assignee: Mazda Motor Corporation
    Inventors: Iwao Koizumi, Shinichi Isayama, Satoshi Hayasaka, Kota Akagawa, Atsunori Mori