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:
Nov. 02, 2010
Filed:
Mar. 30, 2007
Migaku Takahashi, Miyagi, JP;
Masakiyo Tsunoda, Miyagi, JP;
Shin Saito, Miyagi, JP;
Tomoyuki Ogawa, Miyagi, JP;
Itaru Fujimura, Kanagawa, JP;
Shigeyoshi Misawa, Tokyo, JP;
Toshiyuki Kawasaki, Kanagawa, JP;
Migaku Takahashi, Miyagi, JP;
Masakiyo Tsunoda, Miyagi, JP;
Shin Saito, Miyagi, JP;
Tomoyuki Ogawa, Miyagi, JP;
Itaru Fujimura, Kanagawa, JP;
Shigeyoshi Misawa, Tokyo, JP;
Toshiyuki Kawasaki, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Tohoku University, Miyagi, JP;
Abstract
An information recording apparatus comprises a plurality of fine particles forming an array on a plane in close proximity of each other, each of the plural particles including a ferromagnetic metal, a light-emitting device for exciting a near-field light, and a photo-electric conversion element for detecting a near-field light traveled along the fine particles.