Patents by Inventor Seiichi Katou

Seiichi Katou 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).

  • Cylindrical battery assembling apparatus
    Patent number: 5772704
    Abstract: A cylindrical guide sleeve has a larger-diameter portion formed at an upper portion thereof, a smaller-diameter portion formed at a lower portion thereof, and a tapered portion formed therebetween. The smaller-diameter portion has an inner diameter substantially identical with or slightly larger than an outer diameter of a cylindrical battery casing. A lower spindle supports a bottom surface of the cylindrical battery casing. An upper spindle pushes a seal plate downward along an inner surface of the cylindrical guide sleeve. In this case, the seal plate is inclined in a floating condition with respect to an axial direction of the cylindrical guide sleeve and connected via a lead to an electrode assembly accommodated in the cylindrical battery casing. A guide actuator shifts the cylindrical guide sleeve upward so as to surround the seal plate in the larger-diameter portion.
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: June 30, 1998
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Kouichi Nishihara, Takeharu Nakanose, Katsuhisa Wadasaki, Seiichi Katou