Patents by Inventor Masaharu Yanagidate

Masaharu Yanagidate 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: 5220549
    Abstract: In an information recording/reproducing apparatus, a pickup performs recording/reproducing of information to be recorded/reproduced to or from a recording/reproducing medium. A memory is provided with the pickup, and stores specific characteristic data of the pickup. A pickup relating unit performs operations relating to the recording/producing of the information by the pickup. An automatic controlling unit reads the specific characteristic data stored in the memory and automatically controls the operational characteristics of the pickup relating unit in accordance with the specific characteristic data.
    Type: Grant
    Filed: February 19, 1991
    Date of Patent: June 15, 1993
    Assignee: Olympus Optical Co., Ltd.
    Inventor: Masaharu Yanagidate