Patents by Inventor Ryou Kashihara

Ryou Kashihara 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).

  • Bolt and semiconductor manufacturing apparatus
    Patent number: 7554104
    Abstract: A bolt includes a main body and a spring pin. The main body includes a head and a shaft. The spring pin includes a base portion and an end portion. The shaft includes a portion of external thread and a hollow portion. The head includes a top surface and a hole opened in the top surface. The hole is connected to the hollow portion. The base portion is arranged in the hollow potion to move along an axis of the main body. The end portion is arranged in the hole to move along the axis. The spring pin is energized toward a side of the head such that the end portion protrudes beyond the top surface. The end portion is electrically connected to the portion of external thread.
    Type: Grant
    Filed: March 15, 2007
    Date of Patent: June 30, 2009
    Assignee: NEC Electronics Corporation
    Inventors: Yoshirou Shimada, Hiroki Etou, Ryou Kashihara
  • Bolt and semiconductor manufacturing apparatus
    Publication number: 20070243057
    Abstract: A bolt includes a main body and a spring pin. The main body includes a head and a shaft. The spring pin includes a base portion and an end portion. The shaft includes a portion of external thread and a hollow portion. The head includes a top surface and a hole opened in the top surface. The hole is connected to the hollow portion. The base portion is arranged in the hollow potion to move along an axis of the main body. The end portion is arranged in the hole to move along the axis. The spring pin is energized toward a side of the head such that the end portion protrudes beyond the top surface. The end portion is electrically connected to the portion of external thread.
    Type: Application
    Filed: March 15, 2007
    Publication date: October 18, 2007
    Applicant: NEC ELECTRONICS CORPORATION
    Inventors: Yoshirou Shimada, Hiroki Etou, Ryou Kashihara