Patents by Inventor Shinichi Okuzono

Shinichi Okuzono 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).

  • Sound absorbing structure
    Patent number: 6568135
    Abstract: A sound absorbing structure including a sound absorbing member, an air layer, and a resonant sound absorbing structure. The air layer is formed in the rear of the sound absorbing member. The resonant sound absorbing structure includes a slit and is formed in the rear of the sound absorbing member. The sound absorbing member is a surface plate covering the rear air layer and the resonant sound absorbing structure, and the sound absorbing member is shaped in one of a plate and plane.
    Type: Grant
    Filed: April 24, 2000
    Date of Patent: May 27, 2003
    Assignees: Nichias Corporation, Alumu Corporation, Yotsumoto Acoustic Design Inc.
    Inventors: Yoshiaki Yokoyama, Shinji Migita, Shinichi Okuzono, Kyoji Fujiwara, Takuya Fujimoto, Yukio Hattori