Patents by Inventor Jukka Tguunanen

Jukka Tguunanen 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 for photometrically measuring light transmitted to and through cuvettes disposed in a row
    Patent number: 5216488
    Abstract: The invention relates to a method and apparatus for conducting light onto cuvettes in a photometer. Onto each cuvette in a row, there is successively conducted light through a moving light-cutting disc (8), which is provided with a slot (10) at each light path. Thus the light passing through the adjacent cuvette does not disturb the measurement.
    Type: Grant
    Filed: October 23, 1991
    Date of Patent: June 1, 1993
    Assignee: Labsystems OY
    Inventors: Jukka Tguunanen, Aimo Kainiemi