Patents by Inventor Takafumi Fumoto

Takafumi Fumoto 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: 4692622
    Abstract: An infrared analyzer where infrared radiation is passed through a measurement cell containing a material that includes a component that absorbs infrared radiation. The radiation exiting the measurement cell passes into a first detector, through an optical filter to a second infrared radiation detector. By analyzing the outputs from each detector and by knowing the characteristics of the optical filter, the concentration of certain infrared absorbing components in the material can be determined.
    Type: Grant
    Filed: December 3, 1985
    Date of Patent: September 8, 1987
    Assignees: Fuji Electric Co., Ltd., Fuji Electric Corporate Research and Development Ltd.
    Inventors: Harutaka Taniguchi, Takafumi Fumoto