Patents by Inventor Tohru Koide

Tohru Koide 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).

  • Process and apparatus for automatically weighing and introducing chemicals
    Patent number: 4830125
    Abstract: A process and apparatus for automatically weighing and introducing chemicals are intended to automatically weigh the chemicals and introduce the chemicals into a treatment tank; the chemicals are injected into a chemical container and weighted, and then transported to a dissolving tank adjunct to the treatment tank, and then introduced into the dissolving tank. A control means is provided to put under its control the operations of injecting into a chemical container a desired amount of desired chemicals selected from among plural sorts of chemicals and driving a transportments and an introducing means automatically in association with this injecting operation.
    Type: Grant
    Filed: July 13, 1988
    Date of Patent: May 16, 1989
    Assignees: Kanebo Ltd., Hisaka Works, Ltd.
    Inventors: Takayoshi Aoki, Michinobu Kaimori, Akira Aikawa, Akira Urakami, Gen Nishimura, Tohru Koide, Osamu Ishimaru, Masao Takigawa, Fumio Shirai
  • Continuous process for the production of ethylene terephthalate polyesters
    Patent number: 4153766
    Abstract: In a continuous process for the production of ethylene terephthalate polyesters, when the control value for the viscosity which relates to the degree of the polymerization in a polymerization vessel exceeds a predetermined value, a desired command value of the viscosity at the output of the preceding polymerization vessel is automatically revised.
    Type: Grant
    Filed: October 26, 1976
    Date of Patent: May 8, 1979
    Assignee: Kanebo Ltd.
    Inventors: Tohru Koide, Tabashi Ezawa, Hideki Onoda, Chiharu Masaki, Tohru Morita