Katsura; Takashi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Katsura; Takashi.The latest application filed is for "information embedding device, information reading device, and recording media with recorded computer-readable program thereof".

Company Profile

0.13.9

Katsura; Takashi - Fukuoka JP
Katsura, Takashi - Fukuoka-Shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Information embedding device and program for changing a number of points that exist on sides of a polygon Grant 7,680,296 - Inoue , et al. March 16, 2	2010-03-16
Digital watermark-embedding apparatus and method, digital watermark-detecting apparatus and method, and recording medium Grant 7,356,700 - Noridomi , et al. April 8, 2	2008-04-08
Digital watermark-embedding apparatus, digital watermark-embedding method, and recording medium Grant 7,315,621 - Noridomi , et al. January 1, 2	2008-01-01
Information embedding device, information reading device, and recording media with recorded computer-readable program thereof App 20070127769 - Inoue; Hisashi ; et al.	2007-06-07
Digital watermark-embedding apparatus, digital watermark-embedding method, and recording medium having recoded therein a program for performing the digital watermark-embedding method Grant 7,187,782 - Inoue , et al. March 6, 2	2007-03-06
Reproduction equipment, reproduction equipment specifying equipment, reproduction equipment specifying system and methods and recording media for said equipment and system Grant 7,142,692 - Arimura , et al. November 28, 2	2006-11-28
Justification authenticating system, personal certificate issuing system, and personal certificate Grant 7,127,614 - Kawaguchi , et al. October 24, 2	2006-10-24
Apparatus and method for embedding information for tamper detection and detecting tamper and recording medium having program for carrying out the method recorded thereon Grant 7,003,666 - Inoue , et al. February 21, 2	2006-02-21
Digital watermark embedding method, digital watermark extracting method, recording medium, image recording device, and image replaying device Grant 6,898,297 - Katsura , et al. May 24, 2	2005-05-24
Digital information embedding/extracting apparatus and method, and medium including a program for executing the method recorded thereon Grant 6,788,821 - Inoue , et al. September 7, 2	2004-09-07
Digital watermark-embedding apparatus and method, digital watermark-detecting apparatus and method, and recording medium App 20040093498 - Noridomi, Kenichi ; et al.	2004-05-13
Apparatus for and method of embedding and extracting digital information and medium having program for carrying out the method recorded thereon Grant 6,728,409 - Inoue , et al. April 27, 2	2004-04-27
Apparatus for and method of embedding and extracting digital information, and medium having program for carrying out the method recorded thereon Grant 6,693,965 - Inoue , et al. February 17, 2	2004-02-17
Digital watermark-embedding apparatus, digital watermark-embedding method, and recording medium App 20030210784 - Noridomi, Kenichi ; et al.	2003-11-13
Apparatus for and method of embedding and extracting digital information and medium having program for carrying out the method recorded thereon Grant 6,639,997 - Katsura , et al. October 28, 2	2003-10-28
Digital watermark-embedding apparatus, digital watermark-embedding method, and recording medium having recoded therein a program for performing the digital watermark-embedding method App 20030179905 - Inoue, Hisashi ; et al.	2003-09-25
Apparatus for and method of embedding and extracting digital information and medium having program for carrying out the method recorded thereon App 20030012444 - Inoue, Hisashi ; et al.	2003-01-16
Apparatus for and method of embedding and extracting digital information and medium having program for carrying out the method recorded thereon Grant 6,477,276 - Inoue , et al. November 5, 2	2002-11-05
Reproduction equipment, reproduction equipment specifying equipment, reproduction equipment specifying system and methods and recording media for said equipment and system App 20020076082 - Arimura, Koji ; et al.	2002-06-20
Digital information embedding/extracting apparatus and method, and medium including a program for executing the method recorded thereon App 20020009209 - Inoue, Hisashi ; et al.	2002-01-24
Digital watermark embedding method, digital watermark extracting method, recording medium, image recording device, and image replaying device App 20010053238 - Katsura, Takashi ; et al.	2001-12-20
Justification authenticating system, personal certificate issuing system, and personal certificate App 20010054149 - Kawaguchi, Yuichi ; et al.	2001-12-20

uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.

While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.

All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.