Patents Assigned to Johnan Seisakusho Co., Ltd.
  • Patent number: 5090764
    Abstract: A hardtop convertible has a roof which is swingable rearward so as to be stored in a storage chamber. An opening through which the roof enters the storage chamber is covered and uncovered by a slide door.
    Type: Grant
    Filed: April 3, 1990
    Date of Patent: February 25, 1992
    Assignees: Nissan Motor Co., Ltd., Johnan Seisakusho Co., Ltd.
    Inventors: Hiroshi Kogawa, Hiroshi Imai, Masayuki Kikuchi, Minoru Shibata, Makoto Nagayama, Hiroshi Hasegawa
  • Patent number: 4995665
    Abstract: A sliding/tilting sunroof structure whose overall height is kept relatively small by using an actuating linkage with sliding front and rear guides with a pivoting link extending from each guide to the sunroof panel. A rear portion of the front link is additionally guided by a front portion of the rear guide.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: February 26, 1991
    Assignees: Nissan Motor Company, Ltd., Johnan Seisakusho Co., Ltd.
    Inventors: Hisao Ichinose, Yoshimitsu Takeda, Tsuyoshi Sato, Hiroshi Imai
  • Patent number: 4839544
    Abstract: A driving apparatus of a curtain includes a field portion disposed in a curtain rail containing a curved portion. The field portion includes a yoke and a magnet group having magnetic poles disposed along the yoke alternately so that adjacent poles are different from each other and which is preferably formed of a flexible rubber magnet. There is provided a movable portion guided on the curtain rail movably and including a core base opposed to the magnet group, a plurality of cores project from the core base toward the magnet group and are integrally formed in the core base and coils are wound on a plurality of cores. Further, a commutator which switches the polarity for the movable portion is provided to form a linear motor and thereby the polarity of a dc power source for energizing the commutator is switched so that the curtain attached, at an end thereof, to the movable portion is moved along the curtain rail in one direction and the opposite direction to open and close the curtain.
    Type: Grant
    Filed: March 4, 1988
    Date of Patent: June 13, 1989
    Assignee: Johnan Seisakusho Co., Ltd.
    Inventor: Masanori Sakai