Patents by Inventor Teru Kawahara

Teru Kawahara 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).

  • Speaker
    Patent number: 5583944
    Abstract: A speaker having a diaphragm with an outer peripheral part. A voice coil is disposed within and coupled to the diaphragm, the voice coil supported by a voice coil bobbin with the voice coil having at least two lead wires. The speaker includes a generally cup-shaped frame with the diaphragm disposed inside of the frame so that an outer peripheral part of the diaphragm is coupled to the frame with a damper disposed inside of the cup-shaped frame so that adhesive on the outer part of the damper is used to adhere the damper to the frame.
    Type: Grant
    Filed: April 28, 1995
    Date of Patent: December 10, 1996
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Yukinori Morohoshi, Yoshinobu Sengiku, Asahiko Okada, Teru Kawahara, Manabu Muraoka, Eiichi Morimoto, Ryoui Hamaguchi