Patents by Inventor Toshihiro Ichikawa

Toshihiro Ichikawa 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: 5897308
    Abstract: A safety device in a lighting rod comprises a locking member having an engagement section, which interferes with a portion of an operation member and thereby locks the lighting operation of the operation member. The locking member can move in a direction, that intersects with the direction along which the operation member moves. An urging member urges the locking member to a locking direction. The locking member is provided with a lock releasing section, which can be operated in order to move the locking member in a direction, that acts against the urging force of the urging member. The lock releasing section is projected to a position, which stands facing the operating section of the operation member. The lock of the lighting operation is released by operating the lock releasing section of the locking member, and the lighting operation is carried out in this state by operating the operating section of the operation member.
    Type: Grant
    Filed: December 5, 1997
    Date of Patent: April 27, 1999
    Assignee: Tokai Corporation
    Inventors: Masaki Saito, Toshihiro Ichikawa
  • Patent number: 5697775
    Abstract: A safety device in a lighting rod comprises a locking member having an engagement section, which interferes with a portion of an operation member and thereby locks the lighting operation of the operation member. The locking member can move in a direction, that intersects with the direction along which the operation member moves. An urging member urges the locking member to a locking direction. The locking member is provided with a lock releasing section, which can be operated in order to move the locking member in a direction, that acts against the urging force of the urging member. The lock releasing section is projected to a position, which stands facing the operating section of the operation member. The lock of the lighting operation is released by operating the lock releasing section of the locking member, and the locking operation is carried out in this state by operating the operating section of the operation member.
    Type: Grant
    Filed: August 15, 1995
    Date of Patent: December 16, 1997
    Assignee: Tokai Corporation
    Inventors: Masaki Saito, Toshihiro Ichikawa
  • Patent number: 5458482
    Abstract: A gas lighter with a safety device is provided with a resilient leaf which can be deformed between a locked state in which the depression of a pressing means is prevented and a lock-released state in which the operation of the pressing means is allowed, and a slide member which is fitted around the resilient leaf and is movable between a first position where ignition operation is impracticable when the resilient leaf is in a locked state and a second position where the ignition operation is practicable. The slide member deforms the resilient leaf and renders it in a lock-released state at a third position which is reached during movement from the second position to the first position in response to ignition operation.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: October 17, 1995
    Assignee: Tokai Corporation
    Inventors: Masaki Saito, Toshihiro Ichikawa
  • Patent number: D397499
    Type: Grant
    Filed: November 6, 1996
    Date of Patent: August 25, 1998
    Assignee: Tokai Corporation
    Inventors: Masaki Saito, Toshihiro Ichikawa