Patents by Inventor Kenji Takuma

Kenji Takuma 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: 12053066
    Abstract: An earring including a primary ornamental body and a clamping member, a pair of mounting legs and a mounting base held in between formed at an end of the ornamental body and an end of the clamping member, respectively, the pair of mounting legs and the mounting base being pivotably attached to each other with one or two or more elastic metal plate members interposed therebetween, the pivot portion being swaged together with the metal plate member. The mounting base has a recessed groove or notch formed in its outer periphery, and when the mounting legs and the mounting base are relatively turned, the metal plate member is deflected into the recessed groove or notch of the mounting base, and the deflected portion is engaged with an end edge of the recessed groove or notch of the mounting base.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: August 6, 2024
    Assignee: KABUSHIKIGAISHA PIERRING
    Inventor: Kenji Takuma
  • Publication number: 20220167716
    Abstract: An earring including a primary ornamental body and a clamping member, a pair of mounting legs and a mounting base held in between formed at an end of the ornamental body and an end of the clamping member, respectively, the pair of mounting legs and the mounting base being pivotably attached to each other with one or two or more elastic metal plate members interposed therebetween, the pivot portion being swaged together with the metal plate member. The mounting base has a recessed groove or notch formed in its outer periphery, and when the mounting legs and the mounting base are relatively turned, the metal plate member is deflected into the recessed groove or notch of the mounting base, and the deflected portion is engaged with an end edge of the recessed groove or notch of the mounting base.
    Type: Application
    Filed: September 9, 2019
    Publication date: June 2, 2022
    Inventor: Kenji TAKUMA
  • Patent number: 5624104
    Abstract: It is an object to effectively and rapidly damp vibration of a vibrating object. A vibration isolating supporter includes a coil spring (3) interposed between an upper frame (1) and a lower frame (2) which are opposed to one another in a vertical direction, and is characterized in that a partition panel (4) is provided for the lower frame (2) to surround a periphery of the coil spring (3), a damping material (5) is accommodated in a portion surrounded by the partition panel (4), and a resisting member is disposed to be suspended in a hollow hole of the coil spring (3) of the upper frame (1) so as to be immersed in the damping material (5).
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: April 29, 1997
    Assignees: Nippon Steel Corporation, Showa Electric Wire and Cable Co., Ltd.
    Inventors: Koumei Hukuda, Kenji Takuma, Minori Kuriyama, Yoshimitsu Murahashi, Hiroaki Kawakami, Yuji Iida, Kazuki Inaba, Hiroyuki Tanaka, Katsumi Shimizu
  • Patent number: 5595371
    Abstract: It is an object to effectively and rapidly damp vibration of a vibrating object. A vibration isolating supporter includes a coil spring (3) interposed between an upper frame (1) and a lower frame (2) which are opposed to one another in a vertical direction, and is characterized in that a partition panel (4) is provided for the lower frame (2) to surround a periphery of the coil spring (3), a damping material (5) is accommodated in a portion surrounded by the partition panel (4), and a resisting member is disposed to be suspended in a hollow hole of the coil spring (3) of the upper frame (1) so as to be immersed in the damping material (5).
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: January 21, 1997
    Assignees: Nippon Steel Corporation, Showa Electric Wire & Cable
    Inventors: Koumei Hukuda, Kenji Takuma, Minori Kuriyama, Yoshimitsu Murahashi, Hiroaki Kawakami, Yuji Iida, Kazuki Inaba, Hiroyuki Tanaka, Katsumi Shimizu