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. 04, 2008
Filed:
Jan. 03, 2007
Applicants:
Masami Tomita, Kyoto, JP;
Yoshiaki Maeda, Kyoto, JP;
Inventors:
Masami Tomita, Kyoto, JP;
Yoshiaki Maeda, Kyoto, JP;
Assignee:
Shimadzu Corporation, Kyoto, Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 1/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a method of forming a needle for an auto-sampler successively collecting liquid samples from plural sample containers, a parent material forming the needle is coated with a coating material having a chemical activity small than that of the needle. Then, the coated parent material is polished so that the surface has an average roughness of 10 to 20 nm.