Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshiyuki Nakagawa0
Akiko Hammura0
Date of Patent
March 3, 2020
Patent Application Number
16014600
Date Filed
June 21, 2018
Patent Citations Received
Patent Primary Examiner
Patent abstract
An ejection energy generating element is provided in a first pressure chamber so that a liquid in the first pressure chamber is ejected from an ejection port. A pressurization energy generating element is provided in a second pressure chamber so that the liquid in the first pressure chamber is pressurized. An opening area of a hole open to the second pressure chamber is smaller than an opening area of the ejection port.
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