Patents by Inventor Kazuo Kometani

Kazuo Kometani 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).

  • Method of manufacturing a filter element
    Patent number: 5888442
    Abstract: A filter element made of nonwoven filter fabric includes a plurality of pleated portions and a flange portion formed integrally with the filter portion. The flange portion is formed by a pair of press-forming dies to have a thin and compressed connecting portion formed along the outer periphery of the filter portion, a thick and uncompressed seal portion formed along the outer periphery of the connecting portion and a thin and compressed protecting portion formed along the outer periphery of the seal portion.
    Type: Grant
    Filed: November 17, 1997
    Date of Patent: March 30, 1999
    Assignees: Denso Corporation, Toyoda Boshuku
    Inventors: Kazuo Kometani, Toshiaki Nakayama, Satoshi Inukai, Takanari Takagaki, Hideo Kamo, Minoru Honda
  • Filter element
    Patent number: 5720790
    Abstract: A filter element made of nonwoven filter fabric includes a plurality of pleated portions and a flange portion formed integrally with the filter portion. The flange portion is formed by a pair of press-forming dies to have a thin and compressed connecting portion formed along the outer periphery of the filter portion, a thick and uncompressed seal portion formed along the outer periphery of the connecting portion and a thin and compressed protecting portion formed along the outer periphery of the seal portion.
    Type: Grant
    Filed: December 24, 1996
    Date of Patent: February 24, 1998
    Assignees: Denso Corporation, Toyoda Boshoku Corporation
    Inventors: Kazuo Kometani, Toshiaki Nakayama, Satoshi Inukai, Takanari Takagaki, Hideo Kamo, Minoru Honda
  • Muffler
    Patent number: 5502283
    Abstract: A muffler including an offshoot path, one end of which is connected to a middle of a ventilation path so as to diverge from the ventilation path, and another end of which is closed. One portion of the offshoot path and another portion thereof are communicated through a communicating portion. Accordingly, sound waves entering the offshoot path are propagated in a direction of a closed portion, and are also propagated via the communicating portion from the one portion to the other portion.
    Type: Grant
    Filed: March 3, 1995
    Date of Patent: March 26, 1996
    Assignees: Toyoda Boshoku Kabushiki Kaisha, Nippondenso Co., Ltd.
    Inventors: Hidehito Ukai, Kazuo Kometani, Kazuyuki Horie, Toshiaki Nakayama