Patents by Inventor Katsuhiro Ishihara

Katsuhiro Ishihara 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).

  • Publication number: 20240091828
    Abstract: According to an embodiment of the present disclosure, the cleaning apparatus includes a cleaning tank body having a body opening and a cleaning space; a lid provided to be openable and closable with respect to the body opening; a mounting stage provided in the cleaning space placing a shell of a wafer storage container; a first ejector that ejects a cleaning liquid into a storage space of the shell; a second ejector that ejects the cleaning liquid into an outer portion of the shell; a first discharge port that discharges the cleaning liquid ejected into the storage space of the shell; a second discharge port that discharges the cleaning liquid that has passed through the outer portion of the shell; and a particle counter that measures particles in the cleaning liquid discharged by the first discharge port.
    Type: Application
    Filed: September 15, 2023
    Publication date: March 21, 2024
    Inventors: Junji ISHIHARA, Katsuhiro YAMAZAKI, Hisaaki MIYASAKO, Yukinobu NISHIBE
  • Patent number: 5743699
    Abstract: A wafer transferring apparatus for transferring a plurality of wafers from a first carrier to a second carrier, while the materials are maintained in their predetermined upright arrangement parallel to each other at a predetermined pitch. Each of the first and second carriers accommodates the wafers in a predetermined upright arrangement. A transporting section has a supporting member providing with a plurality of guide grooves arranged at a pitch the same as the predetermined pitch for moving the plurality of wafers up and down between a lowered position and a raised position. The guide grooves of the supporting member are engaged with upper peripheral portions of the respective wafers when the wafers are moved upward or downward. A holding section temporarily holds the plurality of wafers when the plurality of wafers are in their raised position.
    Type: Grant
    Filed: September 11, 1996
    Date of Patent: April 28, 1998
    Assignee: Fujitsu Limited
    Inventor: Katsuhiro Ishihara