Patents by Inventor Eitaro Hayakawa

Eitaro Hayakawa 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: 6024088
    Abstract: A breath-synchronization control unit for a gas feeder, capable of reliably detecting inhalation and supplying a gas, which serves to control the gas feeder to supply a gas from a gas source in synchronization with the breath.
    Type: Grant
    Filed: June 12, 1997
    Date of Patent: February 15, 2000
    Assignees: Koike Medical Co., Ltd., Sumitomo Medical Mining Co., Ltd., Gunma Koike Co. Ltd.
    Inventors: Shiro Ishikawa, Masao Takahashi, Masayoshi Kanazawa, Eitaro Hayakawa, Yuki Murayama, Takashi Sato