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:
Jul. 01, 1986
Filed:
Apr. 29, 1985
Applicant:
Inventors:
Toshiaki Wada, Takatsuki, JP;
Mitsuhiko Furukawa, Fukuoka, JP;
Mitsuyoshi Nagano, Saga, JP;
Michito Miyahara, Nakagawa, JP;
Shigeki Mori, Tosu, JP;
Assignees:
Sumitomo Special Metals Co., Ltd., Osaka, JP;
Nippon Tungsten Co., Ltd., Fukuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ; C04B / ;
U.S. Cl.
CPC ...
501 87 ; 501152 ; 501153 ; 360103 ; 360110 ; 360122 ; 264 65 ;
Abstract
An alumina base substrate material for recording heads, which comprises a densely sintered body consisting essentially of:
Wada, Toshiaki. (1986). Alumina base substrate of recording head and process for the production (U.S. Patent No. 4598052). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4598052
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile