Patents by Inventor Tatsuyuki Iwama

Tatsuyuki Iwama 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: 5887602
    Abstract: A cleaning machine comprises a loader section for transferring a to-be-processed object, an unloader section for transferring a processed object, a chemical liquid bath for cleaning the to-be-processed object with chemical liquid, a plurality of cleaning units, sequentially arrayed at a lower stream of the chemical liquid bath in a direction from the loader section to the unloader section, having a water cleaning bath for cleaning the to-be-processed object with pure water, a plurality of transfer machines for transferring the to-be-processed object between the loader section and the cleaning unit adjacent to the loader section, between the adjacent cleaning units, and between the unloader section and the cleaning unit adjacent to the unloader section, sequentially, a plurality of sensors, provided in the chemical liquid bath and the cleaning units, for detecting a chemical liquid state and a cleaning operation state, and control means for executing a process for measurement against abnormality in response to
    Type: Grant
    Filed: July 24, 1996
    Date of Patent: March 30, 1999
    Assignee: Tokyo Electron Limited
    Inventor: Tatsuyuki Iwama
  • Patent number: 5740053
    Abstract: A display displays a processing procedure of a cleaning machine comprising a loader for loading a to-be-processed object, an unloader for unloading a processed object, and a plurality of processing units sequentially disposed between the loader and the unloader in the downstream direction to clean the to-be-processed object.
    Type: Grant
    Filed: July 23, 1996
    Date of Patent: April 14, 1998
    Assignee: Tokyo Electron Limited
    Inventor: Tatsuyuki Iwama