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. 17, 2005
Filed:
Nov. 08, 2002
Yuji Tanaka, Nagano, JP;
Koji Watanabe, Nagano, JP;
Tomoaki Abe, Nagano, JP;
Takayuki Ishii, Nagano, JP;
Naomi Shirakawa, Nagano, JP;
Koichi Toba, Nagano, JP;
Minoru Usui, Nagano, JP;
Shinri Sakai, Nagano, JP;
Kohei Kitahara, Nagano, JP;
Hideaki Sonehara, Nagano, JP;
Yuji Tanaka, Nagano, JP;
Koji Watanabe, Nagano, JP;
Tomoaki Abe, Nagano, JP;
Takayuki Ishii, Nagano, JP;
Naomi Shirakawa, Nagano, JP;
Koichi Toba, Nagano, JP;
Minoru Usui, Nagano, JP;
Shinri Sakai, Nagano, JP;
Kohei Kitahara, Nagano, JP;
Hideaki Sonehara, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
Actuator units independently dedicated to nozzles divided into a plurality of groups are fixed to a common flow path unit having the nozzles formed therein with through holes aligned with one another. Heads of various types can be formed by using the actuator units of the same design only by changing the mode of arrangement of the nozzles in accordance with the purpose.