Patents by Inventor Takuro Hayahara

Takuro Hayahara 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: 5115874
    Abstract: An apparatus for automatically preparing dyeing solutions, comprising for respectively accommodating dye stock solutions and dye auxiliary solutions; transfer means loaded with the containers; outflow pipes incorporated with a cleaning mechanism and also equipped with a pump and a valve for causing an outflow of the dye stock solutions and the dye auxiliary solutions from the containers; receiving vessels for successively receiving the dye stock solutions and the dye auxiliary solutions from the outflow pipes; weighing means for converting, into electric signals, weight changes of the dye stock solutions and the dye auxiliary solutions which have been received in the receiving vessels; transfer means loaded with the receiving vessels; a control mechanism for continuously or intermittently opening and closing the pump and the valve by making a comparison with a predetermined value in accordance with a level of the electric signal; a dilution water outflow pipe provided with a valve for causing dilution water t
    Type: Grant
    Filed: September 21, 1990
    Date of Patent: May 26, 1992
    Assignees: Japan Exlan Company, Limited, Excom Co., Ltd.
    Inventors: Takuro Hayahara, Haruo Katahira, Akiyoshi Nishida, Susumu Fukuda
  • Patent number: 4913198
    Abstract: A system for the automatic dispensation of dye solutions characterized in that it is provided with a plurality of weighing devices for converting weight changes of dye solution materials supplied to receiving containers into electric signals. A control system for controlling the quantities of material supply, and for repeating a dispensing operation continuously for a plural number of times, the dispensing operation forming one cycle consisting of [I] setting the receiving container in a fixed position, [II] placing the receiving container onto the weighing device, [III] supplying the material to the predetermined receiving container and weighing the material, [IV] releasing the receiving container from the weighing device, and [V] transferring the receiving container. This system increases to a maximum, the range of the dye solutions that can be dispensed and the dispensing speed so as to reduce the cost and floor space occupied.
    Type: Grant
    Filed: April 8, 1988
    Date of Patent: April 3, 1990
    Assignees: Japan Exlan Company, Ltd., Excom Co., Ltd.
    Inventors: Takuro Hayahara, Keijiro Kuratani, Takumi Yukiue, Hiroshi Inoue