Patents by Inventor Mitsuo Iwano

Mitsuo Iwano 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: 10981426
    Abstract: A suspension device for vehicles (a front suspension (10)) is disclosed in which, of connecting portions (23, 24) of a lower arm (20) and a tie rod (6) for connection to a knuckle (35), one of the connecting portions (24) which is close to the rear of the vehicle is offset inward in the vehicle width direction with respect to the other connecting portion (23) which is close to the front of the vehicle, in the steering neutral state. The center (P2) of a lower end portion of a coil spring (60) is offset outward in the vehicle width direction and rearward in the vehicle's longitudinal direction with respect to the center (P1) of an upper end portion of the coil spring (60).
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: April 20, 2021
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Hiroyuki Okamoto, Kenji Hamada, Mitsuo Iwano
  • Patent number: 10926583
    Abstract: Provided is a method for manufacturing a knuckle that includes a bearing mounting portion on which a hub bearing is mounted, a damper holding portion which holds a damper, and a damper mounting arm portion which couples the bearing mounting portion and the damper holding portion, the method being such that by using one core, the knuckle is integrally casted so as to formed therein a cylindrical opening which is the inner space of the damper holding portion, a hollow opening in which the inner space in a hollow portion of the damper mounting arm portion, the hollow portion extending in a closed cross section from the damper holding portion, is continuous with an opening formed in the damper holding portion, and an arm-portion opening which is surrounded by a front arm portion and a rear arm portion of the damper mounting arm portion, extending from the hollow portion.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: February 23, 2021
    Assignee: Mazda Motor Corporation
    Inventors: Hisashi Kajikawa, Eiichi Tanaka, Mitsuo Iwano, Junki Kitano
  • Publication number: 20200238759
    Abstract: Provided is a method for manufacturing a knuckle that includes a bearing mounting portion on which a hub bearing is mounted, a damper holding portion which holds a damper, and a damper mounting arm portion which couples the bearing mounting portion and the damper holding portion, the method being such that by using one core, the knuckle is integrally casted so as to formed therein a cylindrical opening which is the inner space of the damper holding portion, a hollow opening in which the inner space in a hollow portion of the damper mounting arm portion, the hollow portion extending in a closed cross section from the damper holding portion, is continuous with an opening formed in the damper holding portion, and an arm-portion opening which is surrounded by a front arm portion and a rear arm portion of the damper mounting arm portion, extending from the hollow portion.
    Type: Application
    Filed: March 29, 2017
    Publication date: July 30, 2020
    Inventors: Hisashi Kajikawa, Eiichi Tanaka, Mitsuo Iwano, Junki Kitano
  • Patent number: 10647362
    Abstract: A rear vehicle-body structure of a vehicle comprises a wheel house provided at a side face portion of a vehicle-body rear portion, a side frame extending in a vehicle longitudinal direction on an inward side, in a vehicle width direction, of the wheel house, a suspension comprising a damper provided to extend in a vehicle vertical direction for damping a vertical load inputted from a wheel thereto and a bump stopper provided on a shaft center of the damper, and a suspension housing including a support face portion for supporting the damper and provided to connect the side frame and the wheel house, wherein the suspension housing comprises a peripheral wall portion which is provided to extend downward from the support face portion and enclose the bump stopper at least partially.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: May 12, 2020
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Akiyoshi Masuda, Shin Murata, Mitsuo Iwano, Yasutomo Abe, Shigeaki Watanabe, Hideyuki Tsukamoto, Hidenori Matsuoka
  • Publication number: 20190322149
    Abstract: A suspension device for vehicles (a front suspension (10)) is disclosed in which, of connecting portions (23, 24) of a lower arm (20) and a tie rod (6) for connection to a knuckle (35), one of the connecting portions (24) which is close to the rear of the vehicle is offset inward in the vehicle width direction with respect to the other connecting portion (23) which is close to the front of the vehicle, in the steering neutral state. The center (P2) of a lower end portion of a coil spring (60) is offset outward in the vehicle width direction and rearward in the vehicle's longitudinal direction with respect to the center (P1) of an upper end portion of the coil spring (60).
    Type: Application
    Filed: November 1, 2017
    Publication date: October 24, 2019
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Hiroyuki OKAMOTO, Kenji HAMADA, Mitsuo IWANO
  • Publication number: 20180273108
    Abstract: A rear vehicle-body structure of a vehicle comprises a wheel house provided at a side face portion of a vehicle-body rear portion, a side frame extending in a vehicle longitudinal direction on an inward side, in a vehicle width direction, of the wheel house, a suspension comprising a damper provided to extend in a vehicle vertical direction for damping a vertical load inputted from a wheel thereto and a bump stopper provided on a shaft center of the damper, and a suspension housing including a support face portion for supporting the damper and provided to connect the side frame and the wheel house, wherein the suspension housing comprises a peripheral wall portion which is provided to extend downward from the support face portion and enclose the bump stopper at least partially.
    Type: Application
    Filed: February 27, 2018
    Publication date: September 27, 2018
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Akiyoshi MASUDA, Shin MURATA, Mitsuo IWANO, Yasutomo ABE, Shigeaki WATANABE, Hideyuki TSUKAMOTO, Hidenori MATSUOKA
  • Patent number: 3995769
    Abstract: A dispensing device for gasoline or the like liquid fuel which is mounted on a base structure or island as a part of the device, which occupies a relatively narrow space and may be of a hollow body so as to accomodate at least one of a flow meter, a fuel pump, and a motor for driving the pump. The device has at least three indication surfaces each directed in different direction around the device, so that an amount of the fuel dispensed and indicated on said surfaces can be read from any position around the device.
    Type: Grant
    Filed: July 11, 1975
    Date of Patent: December 7, 1976
    Assignees: Nippon Oil Company Ltd., Tokyo Tatsuno Co., Ltd.
    Inventors: Etsuo Kuwabara, Masamitu Tadano, Mitsuo Horiuchi, Makoto Yoda, Saburo Ishida, Astushi Toba, Susumu Ohhashi, Yoshiro Iwano, Kazuo Sasaki, Mitsuo Iwano, Hiyoshi Tatsuno