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:
Mar. 09, 1999
Filed:
Oct. 15, 1997
Applicant:
Inventors:
Hiroyuki Ishinaga, Tokyo, JP;
Kazuaki Masuda, Kawasaki, JP;
Junji Shimoda, Chigasaki, JP;
Masami Kasamoto, Ayase, JP;
Fumio Murooka, Atsugi, JP;
Tatsuo Furukawa, Isehara, JP;
Jun Kawai, Tokyo, JP;
Hiroyuki Maru, Atsugi, JP;
Teruo Arashima, Kawasaki, JP;
Masaaki Izumida, Kawasaki, JP;
Yoshinori Misumi, Tokyo, JP;
Yuji Kamiyama, Fujisawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J / ;
U.S. Cl.
CPC ...
347 62 ; 347 48 ; 347 56 ;
Abstract
An ink jet head includes a plurality of liquid flow paths for ejecting the ink; and a plurality of heat generating resistors for the respective liquid flow paths, the heat generating resistor being independently drivable; wherein adjacent ones of the heat generating resistors are spaced by not more than 8 microns.