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:
Jun. 22, 1993

Filed:

Apr. 26, 1990
Applicant:
Inventors:

Youji Azuma, Tokyo, JP;

Hisao Arai, Tokyo, JP;

Kazuo Isaka, Tokyo, JP;

Hiroyuki Kubo, Tokyo, JP;

Tohru Goto, Tokyo, JP;

Tokuharu Nakajima, Tokyo, JP;

Akihiro Honda, Tokyo, JP;

Kazuo Miyazawa, Tokyo, JP;

Toshio Watanabe, Tokyo, JP;

Yoshihiko Shimizu, Tokyo, JP;

Daizo Tanaka, Tokyo, JP;

Nobuhiro Tuchiya, Tokyo, JP;

Takao Nakagawa, Tokyo, JP;

Shigeteru Iba, Kobe, JP;

Yoshihiro Ohishi, Takasago, JP;

Masahiko Siguyama, Kobe, JP;

Kichitaro Tsuji, Tokyo, JP;

Shigeru Nishitake, Kobe, JP;

Akio Niwa, Tokyo, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21D / ;
U.S. Cl.
CPC ...
405138 ; 405141 ; 405142 ; 405147 ; 4051501 ;

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