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.
Patent No.:
Date of Patent:
Apr. 18, 1995
Filed:
Oct. 13, 1992
Applicant:
Inventors:
Akito Sakemoto, Ibaraki, JP;
Toshinori Sugiyama, Tsukuba, JP;
Zenji Tsutsumi, Kokubunji, JP;
Shigeru Nakamura, Tachikawa, JP;
Masahiro Ojima, Tokyo, JP;
Assignees:
Hitachi Maxell, Ltd., Osaka, JP;
Hitachi Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369 4426 ; 369 4428 ; 369 4441 ;