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. 06, 2007
Filed:
Nov. 29, 2006
Hideo Ando, Yokohama, JP;
Yutaka Kashihara, Chigasaki, JP;
Akihito Ogawa, Kawasaki, JP;
Hideki Takahashi, Kashiwa, JP;
Hideo Ando, Yokohama, JP;
Yutaka Kashihara, Chigasaki, JP;
Akihito Ogawa, Kawasaki, JP;
Hideki Takahashi, Kashiwa, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
An information recording medium includes a user information storage area which stores user information, a test write area which is extendable and for test write of information, a spare area which is extendable and capable of alternatively storing user information, and a recording position management information area including recordable range information expressing recordable ranges in the aforesaid test write area and the aforesaid spare area. The information recording medium, an information reproducing apparatus, an information reproducing method and an information recording method which make it easy to record and reproduce information properly are provided.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile