Patents by Inventor Yoshiyuki Koumo

Yoshiyuki Koumo 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).

  • Publication number: 20120297566
    Abstract: Disclosed is a wiper device provided with a metal frame member (16), which includes a cylindrical receiving portion (26), and a pivot holder (18), which is fixed to the metal frame member (16) and holds a pivot shaft (12). The pivot holder (18) includes holder cylindrical portions (34, 104), which rotationally support the pivot shaft (12), vehicle body attachment legs (38, 108), which extend radially outward from the holder cylindrical parts (34, 104) and are attached to a vehicle body, and fitting portions (40B, 110B), which are securely fitted to the receiving part (26) by inserting the fitting portions (40B, 110B) in the receiving portion (26) and swaging the receiving portion (26). The pivot holder (18) is formed as an integrated component by a metal part and a plastic part (32), which is lighter than the metal part and is integrated with the metal part. At least an outer circumferential portion of the engaged parts (40B, 110B) is formed by the metal part.
    Type: Application
    Filed: February 22, 2011
    Publication date: November 29, 2012
    Applicant: ASMO CO., LTD
    Inventors: Akihisa Motono, Shingo Ohno, Shunsaku Ohta, Yoshiyuki Koumo
  • Patent number: 6606760
    Abstract: A wiper device is located between a rear door and a rear window, which is opened independently from the door. An actuator having an output shaft is attached to the rear door. A power transmission unit includes a shaft holder attached to the rear window and a pivot shaft supported by the shaft holder. Before the shaft holder is attached to the rear window, a positioning mechanism fixes the position of the power transmission unit relative to the actuator such that the axis of the pivot shaft is aligned with the axis of the output shaft. Thus, the axes of the output shaft and the pivot shaft are fixed during the installation process. Therefore, no adjustment of these axis is required during installation.
    Type: Grant
    Filed: March 9, 2000
    Date of Patent: August 19, 2003
    Assignee: Asmo Co., Ltd
    Inventors: Yoshiyuki Koumo, Keisuke Kanazawa
  • Patent number: 6493900
    Abstract: A wiper device is located between a vehicle rear door and a rear window, which is opened independently from the door. An actuator having an output shaft is fixed to the rear door. A pivot disk is fixed to the output shaft. The pivot disk has a coupler hole. The actuator pivots the coupler hole in a predetermined angle range. A pivot shaft having a wiper arm is supported by the rear window glass. A crank lever having a coupler pin is fixed to the pivot shaft. When the rear window glass is closed with the coupler pin outside of the movement range of the coupler hole, engagement between the coupler pin and the coupler hole moves the coupler pin to the angle range of the coupler hole. Accordingly, the crank lever is positively coupled to the pivot disk by a simple structure.
    Type: Grant
    Filed: February 14, 2000
    Date of Patent: December 17, 2002
    Assignee: Asmo Co., Ltd.
    Inventors: Yoshiyuki Koumo, Yoshimasa Sato, Tetsuya Nakatsukasa
  • Patent number: 5093952
    Abstract: A wiper device including a wiper motor and two wiper blades for wiping a vehicle windshield comprises a reciprocally actuating coupling rod connected to the wiper motor by a crank arm, a swinging lever which is connected to the coupling rod so as to swing, a first wiper arm which is fixedly connected with one of the wiper blades and is swung with the swinging lever, a second wiper arm which is fixedly connected with another of the wiper blades and swings in tandem with the first wiper arm according to reciprocal movement of a link rod connected to the swinging lever, and a mechanism for enabling movement of linkage positions relative to the swinging lever, the coupling rod and the link rod, accompanied by a snap action.
    Type: Grant
    Filed: February 7, 1991
    Date of Patent: March 10, 1992
    Assignee: Asmo Co., Ltd.
    Inventors: Tetsuya Nakatsukasa, Yoshiyuki Koumo, Isao Ito, Nobuyoshi Takagi
  • Patent number: 5031265
    Abstract: A wiper device including a wiper motor and two wiper blades for wiping a vehicle windshield comprises a reciprocally actuating coupling rod connected to the wiper motor by a crank arm, a swinging lever which is connected to the coupling rod so as to swing, a first wiper arm which is fixedly connected with one of the wiper blades and is swung with the swinging lever, a second wiper arm which is fixedly connected with another of the wiper blades and swings in tandem with the first wiper arm according to reciprocal movement of a link rod connected to the swinging lever, and a mechanism or enabling movement of linkage positions relative to the swinging lever, the coupling rod and the link rod, accompanied by a snap action.
    Type: Grant
    Filed: March 14, 1989
    Date of Patent: July 16, 1991
    Assignee: Asmo Co., Ltd.
    Inventors: Tetsuya Nakatsukasa, Yoshiyuki Koumo, Isao Ito, Nobuyoshi Takagi