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:
Sep. 18, 2001
Filed:
Mar. 29, 1999
Masao Fukunaga, Hitachinaka, JP;
Tamio Ishihara, Hitachinaka, JP;
Koji Saito, Mito, JP;
Katsutoshi Yamada, Hitachinaka, JP;
Hideo Enoki, Niihara-gun, JP;
Sadao Mori, Tsuchiura, JP;
Ryo Miyake, Tsukuba, JP;
Takao Terayama, Ushiku, JP;
Masatoshi Kanamaru, Inashiki-gun, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A water quality meter is composed of a plurality of analyzing units for analyzing water samples introduced from a water distribution pipe, each analyzing unit including a reagent mixing cell and a measuring cell, and a liquid introducing unit integrated with the analyzing units, which is composed of a single member in which a plurality of fluid flow paths for feeding various types of liquid including the water sample into the analyzing unit are formed. Furthermore, the cells and the plurality of three-dimensional fluid flow paths formed in the single member are fabricated by a micro-fabrication technique using photo-curing resin.