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. 18, 2021
Filed:
Jun. 10, 2019
Yuzuru Kuramochi, Kanagawa, JP;
Daisuke Takagi, Kanagawa, JP;
Satoshi Okano, Kanagawa, JP;
Takahiko Matsumoto, Kanagawa, JP;
Koichi Muramatsu, Kanagawa, JP;
Satoshi Nakazawa, Kanagawa, JP;
Ryuya Mashiko, Tokyo, JP;
Manabu Seo, Kanagawa, JP;
Hidekazu Yaginuma, Kanagawa, JP;
Mayuko Murano, Kanagawa, JP;
Yuzuru Kuramochi, Kanagawa, JP;
Daisuke Takagi, Kanagawa, JP;
Satoshi Okano, Kanagawa, JP;
Takahiko Matsumoto, Kanagawa, JP;
Koichi Muramatsu, Kanagawa, JP;
Satoshi Nakazawa, Kanagawa, JP;
Ryuya Mashiko, Tokyo, JP;
Manabu Seo, Kanagawa, JP;
Hidekazu Yaginuma, Kanagawa, JP;
Mayuko Murano, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A droplet forming device is provided. The droplet forming device includes a liquid holder configured to hold a liquid, a film having a discharge hole, two or more vibration generators configured to vibrate the film, and a driver configured to apply a driving signal to the vibration generators. One or more of the vibration generators are disposed in each region on the film where a polarity of bending moment differs.