The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 23, 2007

Filed:

Mar. 26, 2002
Applicants:

Hiroshi Asakawa, Tokyo, JP;

Tetsuo Imatomi, Tokyo, JP;

Naoyuki Kobayashi, Tokyo, JP;

Shigemasa Takagi, Hashima, JP;

Yoshihiro Fujita, Moriguchi, JP;

Tokujiro Moriyama, Amagasaki, JP;

Inventors:

Hiroshi Asakawa, Tokyo, JP;

Tetsuo Imatomi, Tokyo, JP;

Naoyuki Kobayashi, Tokyo, JP;

Shigemasa Takagi, Hashima, JP;

Yoshihiro Fujita, Moriguchi, JP;

Tokujiro Moriyama, Amagasaki, JP;

Assignee:

Fujisyoji Co.Ltd., Gifu, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D 17/00 (2006.01); C25D 5/00 (2006.01); C25D 9/08 (2006.01); C25D 7/04 (2006.01); C25D 11/00 (2006.01); C25D 11/36 (2006.01);
U.S. Cl.
CPC ...
Abstract

A phosphate coating apparatus for depositing a phosphate coating on a metal material by electrolyzing the metal material in a predetermined electrolysis solution includes a positive electrode and a negative electrode, of which one electrode being disposed in contact with the metal material and the other electrode being disposed away from the metal material with a predetermined distance, and the other electrode being formed into a tubular shape so as to cover the entire length of the metal material.


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