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. 31, 2020
Filed:
Jul. 20, 2018
Ikuo Katoh, Kanagawa, JP;
Manabu Seo, Kanagawa, JP;
Yunong Ji, Kanagawa, JP;
Nobuaki Toyoshima, Kanagawa, JP;
Hiroki Somada, Shizuoka, JP;
Ryuya Mashiko, Tokyo, JP;
Satoshi Izumi, Tokyo, JP;
Takahiko Matsumoto, Kanagawa, JP;
Daisuke Takagi, Kanagawa, JP;
Ikuo Katoh, Kanagawa, JP;
Manabu Seo, Kanagawa, JP;
Yunong Ji, Kanagawa, JP;
Nobuaki Toyoshima, Kanagawa, JP;
Hiroki Somada, Shizuoka, JP;
Ryuya Mashiko, Tokyo, JP;
Satoshi Izumi, Tokyo, JP;
Takahiko Matsumoto, Kanagawa, JP;
Daisuke Takagi, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A particle counting apparatus is provided that includes: a droplet discharger configured to discharge a droplet containing at least one luminescent particle capable of emitting light upon receiving light; a light irradiator configured to irradiate the droplet discharged by the droplet discharger with light; at least one light receiver configured to receive light emitted by the at least one luminescent particle irradiated with the light emitted by the light irradiator; and circuitry configured to count luminescent particles contained in the droplet based on the light received by the at least one light receiver, the circuitry being configured to measure a presence or absence of the luminescent particles contained in the droplet; and to measure a number of the luminescent particles contained in the droplet.