Patents by Inventor Kazuyuki Ohshima

Kazuyuki Ohshima 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).

  • Gas filter module having two-part filter and method of producing the same
    Patent number: 6210458
    Abstract: The gas filter module of the invention has: a housing which has a gas inlet port at one end and a gas outlet port at another end, and which is divided into two portions in a longitudinal direction; a filter body consisting of a porous ceramics member which is loaded into the housing and through which an inflow gas passes; and a ring-like support member consisting of dense ceramics which is fittingly coupled to a step portion formed inside the housing and which is joined to the filter body. The ring-like support member is fixed via two metal O-rings to a fixing gap of the step portion of the housing.
    Type: Grant
    Filed: December 24, 1998
    Date of Patent: April 3, 2001
    Assignee: Toshiba Ceramics Co., Ltd.
    Inventors: Toyohiko Shindo, Koichi Imura, Takafumi Imaizumi, Hiroyuki Ichikawa, Kazuyuki Ohshima, Takeshi Iwasaki