Patents by Inventor Tochihiro Watanabe

Tochihiro Watanabe 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: 6814928
    Abstract: A powder compaction method in which a powder p is filled by air tapping or other suitable method into a mold 1, then while the mold 1 being filled with the powder, the powder particles are bound with each other without application of force from outside the mold to form a compact C, and then the compact C is taken out from the mold 1. This method produces a variety of shapes of the compact far greater than in conventional methods, and net shape manufacturing of products with complex shapes is made possible by this method. Because this method uses far less binder compared to MIM and PIM that are expected as methods for producing products with complicated shapes, the time needed for elimination of the binder is much shorter than in MIM and PIM.
    Type: Grant
    Filed: May 3, 2002
    Date of Patent: November 9, 2004
    Assignee: Intermetallics Co., Ltd.
    Inventors: Masato Sagawa, Tochihiro Watanabe, Hiroshi Nagata
  • Patent number: 6764643
    Abstract: A powder compaction method in which a powder p is filled by air tapping or other suitable method into a mold 1, then while the mold 1 being filled with the powder, the powder particles are bound with each other without application of force from outside the mold to form a compact C, and then the compact C is taken out from the mold 1. This method produces a variety of shapes of the compact far greater than in conventional methods, and net shape manufacturing of products with complex shapes is made possible by this method. Because this method uses far less binder compared to MIM and PIM that are expected as methods for producing products with complicated shapes, the time needed for elimination of the binder is much shorter than in MIM and PIM.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: July 20, 2004
    Inventors: Masato Sagawa, Tochihiro Watanabe, Hiroshi Nagata
  • Publication number: 20020122737
    Abstract: A powder compaction method in which a powder p is filled by air tapping or other suitable method into a mold 1, then while the mold 1 being filled with the powder, the powder particles are bound with each other without application of force from outside the mold to form a compact C, and then the compact C is taken out from the mold 1. This method produces a variety of shapes of the compact far greater than in conventional methods, and net shape manufacturing of products with complex shapes is made possible by this method. Because this method uses far less binder compared to MIM and PIM that are expected as methods for producing products with complicated shapes, the time needed for elimination of the binder is much shorter than in MIM and PIM.
    Type: Application
    Filed: May 3, 2002
    Publication date: September 5, 2002
    Inventors: Masato Sagawa, Tochihiro Watanabe, Hiroshi Nagata
  • Publication number: 20020098106
    Abstract: A powder compaction method in which a powder p is filled by air tapping or other suitable method into a mold 1, then while the mold 1 being filled with the powder, the powder particles are bound with each other without application of force from outside the mold to form a compact C, and then the compact C is taken out from the mold 1. This method produces a variety of shapes of the compact far greater than in conventional methods, and net shape manufacturing of products with complex shapes is made possible by this method. Because this method uses far less binder compared to NM and PIM that are expected as methods for producing products with complicated shapes, the time needed for elimination of the binder is much shorter than in MIM and PIM.
    Type: Application
    Filed: January 25, 2002
    Publication date: July 25, 2002
    Inventors: Masato Sagawa, Tochihiro Watanabe, Hiroshi Nagata