Patents by Inventor Hiroshi Hashida

Hiroshi Hashida 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: 6903886
    Abstract: Within a casing accommodating members for performing magnetic transfer of signals from one medium to another, a plurality of suction ports are fixedly disposed at various locations. Resin tubes connect the suction ports to respective particle counters for the measurement of particles at each location, whereby the source of particles is locatable.
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: June 7, 2005
    Assignees: Matsushita Electric Industrial Co., Ltd., Fuji Electric Co., Ltd.
    Inventors: Nobuhide Matsuda, Taizou Hamada, Hideyuki Hashi, Hiroshi Hashida, Eiichi Fujisawa, Shoichi Seki
  • Publication number: 20020030908
    Abstract: Within a casing accommodating members for performing magnetic transfer of signals from one medium to another, a plurality of suction ports are fixedly disposed at various locations. Resin tubes connect the suction ports to respective particle counters for the measurement of particles at each location, whereby the source of particles is locatable.
    Type: Application
    Filed: June 12, 2001
    Publication date: March 14, 2002
    Inventors: Nobuhide Matsuda, Taizou Hamada, Hideyuki Hashi, Hiroshi Hashida, Eiichi Fujisawa, Shoichi Seki