US Patent Issued to RICOH on July 21 for "Liquid droplet forming device" (Japanese Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,207, issued on July 21, was assigned to RICOH COMPANY LTD. (Tokyo).

"Liquid droplet forming device" was invented by Daisuke Arai (Tokyo), Takahiko Matsumoto (Kanagawa, Japan) and Yusuke Nonoyama (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A liquid droplet forming device for stably forming and ejecting a liquid droplet of a dispersion liquid containing settling particles includes an ejection head that ejects a liquid droplet of a liquid containing settling particles, and a control unit. The control unit controls a behavior of the ejection head by supplying an electrical signal. The ejection head includes a liquid holding portion t...