Patents by Inventor Hiromasa Kaihatsu

Hiromasa Kaihatsu 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 and apparatus for disinfecting drainage
    Patent number: 6562244
    Abstract: A method and an apparatus for disinfecting drainage are provided. A bromine-based or iodine-based disinfectant is added to water to obtain disinfecting water, and the disinfecting water is added to predetermined drainage. The apparatus has a device for producing disinfecting water from a disinfectant and drainage, a sand basin, and a channel for introducing the disinfecting water into the sand basin, and the drainage is disinfected while the drainage is dwelling in the sand basin.
    Type: Grant
    Filed: March 28, 2001
    Date of Patent: May 13, 2003
    Assignee: Ebara Corporation
    Inventors: Yoshiharu Yasuhara, Kazuhiro Hasegawa, Kazunari Tanaka, Yuichi Fuchu, Yutaka Niida, Hideyuki Yoshida, Hiromasa Kaihatsu, Hiroshi Toriumi, Hiroshi Takasu, Tadashi Nagawa, Sumio Komine