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:
Apr. 05, 2005
Filed:
Sep. 06, 2001
Applicants:
Koji Tominaga, Kyoto, JP;
Tsuyoshi Nakanishi, Kyoto, JP;
Hiroki Tanabe, Kyoto, JP;
Mitsuru Honjo, Kyoto, JP;
Inventors:
Koji Tominaga, Kyoto, JP;
Tsuyoshi Nakanishi, Kyoto, JP;
Hiroki Tanabe, Kyoto, JP;
Mitsuru Honjo, Kyoto, JP;
Assignee:
Horiba, Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N027/404 ; G01N027/414 ;
U.S. Cl.
CPC ...
Abstract
An inexpensive, high-performance pH sensor measure the surface of a solid substance in a simple manner, comprising an ion sensing partwhich responds to pH, a reference electrodea gel-form ion permeable substancewhich has a predetermined pH value and covers the ion sensing partand reference electrodeand a cover memberwhich houses the ion permeable substanceand has an openingformed at a position near the abovementioned ion sensing part