Patents by Inventor Yamano Akira

Yamano Akira 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).

  • Manufacturing method of stripe filter
    Patent number: 4383017
    Abstract: A method of manufacturing a stripe filter for optical usages, the method being based on a partially hardening of a liquid colored composition spread on a transparent base plate together with a partially eliminating of portions remaining soluble after the hardening operation, wherein a series of these operations is repeated with said compositions respectively assuming different colors.
    Type: Grant
    Filed: July 1, 1981
    Date of Patent: May 10, 1983
    Assignee: Dainippon Screen Mfg., Ltd.
    Inventors: Shimizu Hirofumi, Yamano Akira, Ikeuchi Shinzo