Patents by Inventor Isao Hirosawa

Isao Hirosawa 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: 4802018
    Abstract: A marking apparatus has a marking designation switch which is depressed when an image of interest appears on a monitor while a plurality of image data from a photographic unit are displayed on the monitor. In response to a marking designation signal generated upon depression of the marking switch, a mark signal is added to the image data corresponding to the marking designation signal and is stored in a frame memory.
    Type: Grant
    Filed: December 1, 1987
    Date of Patent: January 31, 1989
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Kowji Tanikawa, Tadashi Kato, Masahide Kanno, Hiroyuki Yashima, Akira Matsueda, Takao Rokutan, Hisayuki Harada, Isao Hirosawa, Hiroki Hibino