Patents by Inventor Singo Tsuda

Singo Tsuda 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).

  • Suspension, head suspension assembly, and disk drive apparatus
    Patent number: 6633456
    Abstract: In order to provide a suspension, a head suspension assembly, and a disk drive apparatus that can contribute to an increase of record and playback reliability, holes 3c in ribs 3b of the head suspension assembly 3 are provided. This design decreases the displacement of a head slider 2 that is caused by Karman vortex streets occurring near the ribs 3b in company with the rotation of the magnetic disk 1.
    Type: Grant
    Filed: October 29, 1999
    Date of Patent: October 14, 2003
    Assignee: International Business Machines Corporation
    Inventors: Hiroyasu Tsuchida, Singo Tsuda, Sachiyo Baba, Kiyoshi Satoh
  • Battery coil construction
    Patent number: 4332867
    Abstract: An electrochemical cell utilizes a coil assembly formed by spirally winding negative and positive plates together with at least one separator therebetween. Each of the positive and negative plates is constituted by a main portion containing battery active material and an edge portion free of the active material. In the coil assembly, the edge portions of the respective plates protrude outwardly beyond the opposite edges of the separator and positioned on respective sides of the coil assembly. Positive and negative current collectors are made of a holeless nickel-plated steel sheet and welded to the edge portions of the respective plates by means of a plurality of welds.
    Type: Grant
    Filed: November 7, 1980
    Date of Patent: June 1, 1982
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Singo Tsuda, Minoru Yamaga, Yuzuru Kawai