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:
May. 23, 1995
Filed:
Jan. 28, 1993
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428 64 ; 428 65 ; 428913 ; 3461351 ; 369288 ; 347264 ;
Abstract
An information recording medium comprises a semiconductor layer and a layer of a ferroelectric substance overlaid on the semiconductor layer, information being recorded by means of directions of polarization of the ferroelectric substance. The ferroelectric substance is an organic ferroelectric substance, such that recorded information may not be lost during its reproduction and a sufficiently high level of a reproduced signal may be obtained.
Yamamoto, Ryoichi. (1995). Information recording medium and method (U.S. Patent No. 5418029). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5418029
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile