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:
Jan. 25, 2022
Filed:
Aug. 29, 2017
Takenaka Corporation, Osaka, JP;
Haruka Kiyotomo, Inzai, JP;
Takaaki Shimizu, Inzai, JP;
Tomohiro Nakashima, Inzai, JP;
Yamato Shimizu, Inzai, JP;
Nobuyasu Okuda, Inzai, JP;
Yasuhide Furukawa, Inzai, JP;
Yuji Yamazaki, Inzai, JP;
Kazuhiro Mukai, Inzai, JP;
Kaoru Inaba, Inzai, JP;
TAKENAKA CORPORATION, Osaka, JP;
Abstract
A ground injection agent concentration estimation method including a injecting an injection liquid to which an injection agent and a marker exhibiting similar behavior in subsurface ground to that of the injection agent have been added, into the subsurface ground through a water injection well; measuring a concentration of the marker at a location spaced apart from the water injection well, and estimating a concentration of the injection agent in the groundwater from the concentration of the marker.