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:
Nov. 07, 2000
Filed:
Aug. 07, 1997
Applicant:
Inventors:
Hisashi Takata, Takatsuki, JP;
Hideo Hotomi, Nishinomiya, JP;
Naoki Matsui, Sakai, JP;
Shoichi Minato, Sakai, JP;
Keishi Sawada, Amagasaki, JP;
Assignee:
Minolta Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
347 47 ;
Abstract
An ink-jet recording head for use in an ink-jet printer comprises a plurality of head portions. Each of head portions includes an ink cavity for receiving an ink material, means for pressurizing the ink material in the ink cavity, and a nozzle through which the ink material is ejected. The nozzle has an individual cross section with respect to an axial direction thereof and the cross section of one head portion is different from that of another head portion.