Patents Assigned to Seiichi Takagi
  • Smoking device
    Patent number: 5048545
    Abstract: According to a smoking device of the present invention, major and a minor smoke streams given out during smoking are temporarily stored in a storage section by means of a forcible sucking device. The storage section is taken out to the outdoors later, and the stored smoke is exhausted. The forcible sucking device comprises fans, a pump, or the like, or it utilizes the gravitational force or spring force.
    Type: Grant
    Filed: January 12, 1990
    Date of Patent: September 17, 1991
    Assignees: Seiichi Takagi, Takako Takagi
    Inventors: Seiichi Takagi, Takako Takagi, Yuichi Takagi