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Keiji Katata

Keiji Katata, Saitama-Ken JP

Patent application numberDescriptionPublished
20100174917INFORMATION RECORDING MEDIUM, REPRODUCING APPARATUS AND CUMPUTER PROGRAM - An information recording medium (07-08-2010

Keiji Katata, Tokorozawa-Shi JP

Patent application numberDescriptionPublished
20100008645INFORMATION RECORDING AND REPRODUCING DEVICE AND METHOD, INFORMATION RECORDING AND REPRODUCING SYSTEM, AND COMPUTER PROGRAM - An information recording/reproducing apparatus (01-14-2010
20100014400Recording device and recording method, and computer program - A recording device (01-21-2010
20100014829INFORMATION REPRODUCING APPARATUS AND METHOD, AND COMPUTER PROGRAM - An information reproducing apparatus (01-21-2010
20100067336DEVICE AND METHOD FOR REPRODUCING INFORMATION AND COMPUTER PROGRAM - An information reproducing device reproduces information in an information recording medium provided with, in addition to a first recording layer readable by a first laser beam, at least one of a second recording layer readable by a second laser beam, and a third recording layer readable by a third laser beam. The information reproducing device includes an optical pickup element applying a laser beam and receiving its reflection; a first judging element first determining whether the first recording layer exists, based on an output from the optical pickup element; a second judging element secondly determining on either of the recording layers is set by a user as a prioritized reproducing layer to be reproduced first; a reproducing element reproducing recorded information; and a control element controlling the reproducing element to reproduce the recorded information, based on outputs from the first judgment element, second judgment, and optical pickup elements.03-18-2010
20100115026CONTENT DISTRIBUTION SYSTEM AND METHOD, AND SERVER DEVICE, AND CLIENT DEVICE - A content distribution system (05-06-2010

Patent applications by Keiji Katata, Tokorozawa-Shi JP

Keiji Katata, Saitama JP

Patent application numberDescriptionPublished
20090022029Information recording medium, apparatus and method for recording information, and computer program - Disclosed is an information recording medium (01-22-2009
20090028531INFORMATION RECORDING APPARATUS AND METHOD, COMPUTER PROGRAM, AND INFORMATION RECORDING MEDIUM - An information recording apparatus (01-29-2009
20090040914INFORMATION RECORDING MEDIUM, INFORMATION RECORDING APPARATUS AND METHOD, AND COMPUTER PROGRAM - An optical disk (02-12-2009
20090129250INFORMATION RECORDING APPARATUS AND METHOD AND COMPUTER PROGRAM - An information recording apparatus (05-21-2009
20090268596INFORMATION RECORDING MEDIUM, INFORMATION RECORDING APPARATUS AND METHOD, AND COMPUTER PROGRAM - An information recording medium (10-29-2009
20090279402INFORMATION RECORDING MEDIUM, INFORMATION RECORDING APPARATUS AND METHOD, AND COMPUTER PROGRAM - An information recording apparatus is for recording user data and recording management data onto an information recording medium being provided with: a first recording layer; and a second recording layer, each of the first recording layer and the second recording layer having a user data area to record therein at least the user data and a recording management area to record therein at least the recording management data for managing recording of the user data, the information recording apparatus is provided with: a recording device for dividing the recording management area into a plurality of recording management segments and for recording the recording management data into at least one of the plurality of recording management segments; and a first controlling device for controlling the recording device to dispose each of the plurality of recording management segments in a single recording layer.11-12-2009
20090296539Information Recording Apparatus and Method, Computer Program - An information recording apparatus (12-03-2009

Patent applications by Keiji Katata, Saitama JP