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. 19, 2013
Filed:
Dec. 28, 2007
Masanori Abe, Meguro-ku, JP;
Hiroshi Handa, Meguro-ku, JP;
Takashi Nakagawa, Meguro-ku, JP;
Masaru Tada, Meguro-ku, JP;
Ryuichi Shimazu, Meguro-ku, JP;
Toshiyuki Tanaka, Meguro-ku, JP;
Masanori Abe, Meguro-ku, JP;
Hiroshi Handa, Meguro-ku, JP;
Takashi Nakagawa, Meguro-ku, JP;
Masaru Tada, Meguro-ku, JP;
Ryuichi Shimazu, Meguro-ku, JP;
Toshiyuki Tanaka, Meguro-ku, JP;
Tokyo Institute of Technology, Tokyo, JP;
Tamagawa Seiki Kabushiki Kaisha, Iida-shi, JP;
Abstract
A method for producing spherical ferrite nanoparticles includes the steps of: preparing a first aqueous solution containing a disaccharide, an alkaline, an oxidation agent, seed particles and divalent iron ions; and conducting particle growth in the first aqueous solution to produce the spherical ferrite nanoparticles.