Patents by Inventor Hirsoshi Sakoh

Hirsoshi Sakoh 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).

  • Image sensor and manufacturing method of image sensor
    Patent number: 7078258
    Abstract: In a manufacturing method of an image sensor, a lightproof film (an antireflective film for avoiding flares) is formed over a wiring area; a transparent film is formed over an imaging area using a material capable of patterning; a transparent film, for forming micro lense on top, is formed on the transparent film, wherein a height of the top surfaces of the transparent film and the lightproof film are evenly formed.
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: July 18, 2006
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hirsoshi Sakoh, Hiroshi Okamoto, Ryoichi Nagayoshi