Patents by Inventor Tetsuhide Uchikawa

Tetsuhide Uchikawa 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).

  • Calcination furnace
    Patent number: 5703901
    Abstract: A calcination furnace capable of variably setting calcination conditions such as a size of a calcination chamber, a temperature, a temperature distribution and flowing of gas in the calcination chamber; and the like depending on calcined intermediate products. A furnace body in which a furnace chamber is defined includes two movable sections, which are moved in predetermined directions, to thereby vary an internal volume of the furnace chamber as desired.
    Type: Grant
    Filed: June 14, 1996
    Date of Patent: December 30, 1997
    Assignee: TDK Corporation
    Inventors: Yasuo Ohtani, Takuo Kataho, Makoto Satoh, Tsutomu Tanaka, Yoshimasa Nose, Kazuyoshi Kobayashi, Tetsuhide Uchikawa, Toshihiro Hamahata
  • Calcination furnace
    Patent number: 5559826
    Abstract: A calcination furnace capable of variably setting calcination conditions such as a size of a calcination chamber, a temperature, a temperature distribution and flowing of gas in the calcination chamber; and the like depending on calcined intermediate products. A furnace body in which a furnace chamber is defined includes two movable sections, which are moved in predetermined directions, to thereby vary an internal volume of the furnace chamber as desired.
    Type: Grant
    Filed: June 21, 1993
    Date of Patent: September 24, 1996
    Assignee: TDK Corporation
    Inventors: Yasuo Ohtani, Takuo Kataho, Makoto Satoh, Tsutomu Tanaka, Yoshimasa Nose, Kazuyoshi Kobayashi, Tetsuhide Uchikawa, Toshihiro Hamahata