Patents by Inventor Takuya Teranishi

Takuya Teranishi 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: 7344054
    Abstract: A power tool includes a hook portion having a hook holding portion, which is provided in a housing and has engaging teeth provided in the housing. A hook having a shaft portion is inserted into the hook holding portion and provided with fitting teeth meshing with the engaging teeth An elastic body is adapted to push the hook against a handle portion at all times, and a slip-off preventing part holding portion is adapted to move the hook in a direction of an axis thereof against a force of the elastic body and to cancel the mesh between the teeth to thereby enable the hook to turn.
    Type: Grant
    Filed: October 27, 2004
    Date of Patent: March 18, 2008
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Masato Sakai, Takeshi Matsuoka, Chikai Yoshimizu, Masanori Watanabe, Katsuhiro Oomori, Takuya Teranishi
  • Publication number: 20080025017
    Abstract: A power tool includes a main housing, a motor, a hammer case, an end-tool holding part, a driving-force transmitting mechanism, a light-unit mounting part, a light unit, and a cover. The motor is accommodated in the main housing and is configured to generate a driving force. The hammer case has an outer peripheral surface. The end-tool holding part is configured to hold an end tool. The driving-force transmitting mechanism is accommodated in the hammer case. The driving-force transmitting mechanism is configured to transmit the driving force to the end-tool holding part. The light-unit mounting part is formed integrally with the hammer case. The light unit is mounted to the light-unit mounting part. The cover covers the outer peripheral surface of the hammer case and accommodates the light-unit mounting part and the light unit.
    Type: Application
    Filed: July 25, 2007
    Publication date: January 31, 2008
    Inventors: Naoki Tadokoro, Takuma Saito, Takuya Teranishi, Katsuhiro Oomori, Kazuhiko Funabashi
  • Publication number: 20070102462
    Abstract: A power tool includes a hook portion having a hook holding portion, which is provided in a housing and has engaging teeth provided in the housing. A hook having a shaft portion is inserted into the hook holding portion and provided with fitting teeth meshing with the engaging teeth An elastic body is adapted to push the hook against a handle portion at all times, and a slip-off preventing part holding portion is adapted to move the hook in a direction of an axis thereof against a force of the elastic body and to cancel the mesh between the teeth to thereby enable the hook to turn.
    Type: Application
    Filed: November 22, 2006
    Publication date: May 10, 2007
    Applicant: HITACHI KOKI CO., LTD.
    Inventors: Masato Sakai, Takeshi Matsuoka, Chikai Yoshimizu, Masanori Watanabe, Katsuhiro Oomori, Takuya Teranishi
  • Publication number: 20050269884
    Abstract: A shielding member is provided to cover the outer wall of the armature on a line segment connecting the inner wall at the front end of a magnet to the edge of a vent. The shielding member is ring-shaped and configured by a disk-shaped base section, a hole section formed at the center of the base portion, through which the armature can be passed, and a cylindrical section which extends forward from the base section. The shielding member is provided on the front of the yoke so that it is located apart from the magnet.
    Type: Application
    Filed: April 7, 2005
    Publication date: December 8, 2005
    Applicant: Hitachi Koki Co., Ltd.
    Inventors: Takuya Teranishi, Shigeru Takahashi
  • Patent number: 6905052
    Abstract: A power tool includes a hook portion comprising a hook holding portion 20, which is provided in a housing 1 and has engaging teeth 47 provided in a housing 1, and also comprising a hook 2 having shaft portion 30, which is inserted into the hook holding portion 20 and provided with fitting teeth 31 meshing with the engaging teeth 47, an elastic body 27 adapted to push the hook 2 against a handle portion at all times, and a slip-off preventing part holding portion adapted to move the hook 2 in a direction of an axis thereof against a force of the elastic body 2 and to cancel the mesh between the teeth to thereby enable the hook 2 to turn.
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: June 14, 2005
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Masato Sakai, Takeshi Matsuoka, Chikai Yoshimizu, Masanori Watanabe, Katsuhiro Oomori, Takuya Teranishi
  • Publication number: 20050092792
    Abstract: A power tool includes a hook portion comprising a hook holding portion 20, which is provided in a housing 1 and has engaging teeth 47 provided in a housing 1, and also comprising a hook 2 having a shaft portion 30, which is inserted into the hook holding portion 20 and provided with fitting teeth 31 meshing with the engaging teeth 47, an elastic body 27 adapted to push the hook 2 against a handle portion at all times, and a slip-off preventing part holding portion adapted to move the hook 2 in a direction of an axis thereof against a force of the elastic body 2 and to cancel the mesh between the teeth to thereby enable the hook 2 to turn.
    Type: Application
    Filed: October 27, 2004
    Publication date: May 5, 2005
    Applicant: Hitachi Koki Co., Ltd.
    Inventors: Masato Sakai, Takeshi Matsuoka, Chikai Yoshimizu, Masanori Watanabe, Katsuhiro Oomori, Takuya Teranishi
  • Publication number: 20040074938
    Abstract: A power tool includes a hook portion comprising a hook holding portion 20, which is provided in a housing 1 and has engaging teeth 47 provided in a housing 1, and also comprising a hook 2 having a shaft portion 30, which is inserted into the hook holding portion 20 and provided with fitting teeth 31 meshing with the engaging teeth 47, an elastic body 27 adapted to push the hook 2 against a handle portion at all times, and a slip-off preventing part holding portion adapted to move the hook 2 in a direction of an axis thereof against a force of the elastic body 2 and to cancel the mesh between the teeth to thereby enable the hook 2 to turn.
    Type: Application
    Filed: December 4, 2003
    Publication date: April 22, 2004
    Applicant: Hitachi Koki Co., Ltd.
    Inventors: Masato Sakai, Takeshi Matsuoka, Chikai Yoshimizu, Masanori Watanabe, Katsuhiro Oomori, Takuya Teranishi
  • Patent number: 6679406
    Abstract: A power tool includes a hook portion comprising a hook holding portion 20, which is provided in a housing 1 and has engaging teeth 47 provided in a housing 1, and also comprising a hook 2 having a shaft portion 30, which is inserted into the hook holding portion 20 and provided with fitting teeth 31 meshing with the engaging teeth 47, an elastic body 27 adapted to push the hook 2 against a handle portion at all times, and a slip-off preventing part holding portion adapted to move the hook 2 in a direction of an axis thereof against a force of the elastic body 2 and to cancel the mesh between the teeth to thereby enable the hook 2 to turn.
    Type: Grant
    Filed: March 1, 2002
    Date of Patent: January 20, 2004
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Masato Sakai, Takeshi Matsuoka, Chikai Yoshimizu, Masanori Watanabe, Katsuhiro Oomori, Takuya Teranishi
  • Publication number: 20020122707
    Abstract: A power tool includes a hook portion comprising a hook holding portion 20, which is provided in a housing 1 and has engaging teeth 47 provided in a housing 1, and also comprising a hook 2 having a shaft portion 30, which is inserted into the hook holding portion 20 and provided with fitting teeth 31 meshing with the engaging teeth 47, an elastic body 27 adapted to push the hook 2 against a handle portion at all times, and a slip-off preventing part holding portion adapted to move the hook 2 in a direction of an axis thereof against a force of the elastic body 2 and to cancel the mesh between the teeth to thereby enable the hook 2 to turn.
    Type: Application
    Filed: March 1, 2002
    Publication date: September 5, 2002
    Inventors: Masato Sakai, Takeshi Matsuoka, Chikai Yoshimizu, Masanori Watanabe, Katsuhiro Oomori, Takuya Teranishi
  • Patent number: D524136
    Type: Grant
    Filed: November 10, 2005
    Date of Patent: July 4, 2006
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Takeshi Taniguchi, Masato Sakai, Takashi Ozawa, Katsuhiro Oomori, Takuya Teranishi, Yoshihiro Komuro
  • Patent number: D477205
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: July 15, 2003
    Assignee: Hitachi Koki Co., Ltd.
    Inventors: Masato Sakai, Masanori Watanabe, Katsuhiro Oomori, Takuya Teranishi