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:
Jun. 28, 1994
Filed:
Sep. 18, 1992
Applicant:
Inventors:
Masahiko Ichishima, Tokyo, JP;
Yasumi Sasaki, Tokyo, JP;
Eiichi Toya, Tokyo, JP;
Masatoshi Kasahara, Tokyo, JP;
Ritsurou Makita, Tokyo, JP;
Assignee:
Toshiba Ceramics Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H05H / ;
U.S. Cl.
CPC ...
20429833 ; 20429831 ; 156345 ;
Abstract
A disc-shaped electrode plate body is made of high-purity glassy carbon and has a large number of very-small-diameter through holes each of which has a plurality of spherical recesses in its internal wall surface.
Ichishima, Masahiko. (1994). Electrode plate for plasma etching (U.S. Patent No. 5324411). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5324411
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile