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:
Aug. 10, 1999
Filed:
Apr. 15, 1996
Applicant:
Inventors:
Kenichi Imamura, Kawasaki, JP;
Shun-ichi Muto, Sapporo, JP;
Naoto Horiguchi, Kawasaki, JP;
Yoshihiro Sugiyama, Kawasaki, JP;
Yoshiaki Nakata, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
257 21 ; 257 17 ; 257 14 ; 257 30 ; 257184 ;
Abstract
A wavelength-domain-multiplication memory comprises a first semiconductor layer including a first conductivity type impurity, a carrier barrier semiconductor layer formed on the first semiconductor layer, and quantum dots formed in the carrier barrier semiconductor layer.
Imamura, Kenichi. (1999). Optical semiconductor memory device and read/write method therefor (U.S. Patent No. 5936258). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5936258
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile