Takashima; Youichi

Patent Applications and Registrations

Patent applications and USPTO patent grants for Takashima; Youichi.The latest application filed is for "digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program".

Company Profile

0.13.8

Takashima; Youichi - Yokohama JP
Takashima; Youichi - Yokohama-shi JP
Takashima; Youichi - Tokyo JP
Takashima; Youichi - Kanagawaken 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
Digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program Grant 7,978,877 - Nakamura , et al. July 12, 2	2011-07-12
Digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program App 20110116679 - Nakamura; Takao ; et al.	2011-05-19
Digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program Grant 7,860,270 - Nakamura , et al. December 28, 2	2010-12-28
Digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program Grant 7,817,818 - Nakamura , et al. October 19, 2	2010-10-19
Digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program Grant 7,792,323 - Nakamura , et al. September 7, 2	2010-09-07
Method and apparatus for digital watermarking App 20100131768 - Ogawa; Hiroshi ; et al.	2010-05-27
Digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program App 20100119106 - Nakamura; Takao ; et al.	2010-05-13
Method and apparatus for digital watermarking Grant 7,640,431 - Ogawa , et al. December 29, 2	2009-12-29
Method and apparatus for digital watermarking App 20070067636 - Ogawa; Hiroshi ; et al.	2007-03-22
Method and apparatus for evaluating the strength of an encryption Grant 7,187,769 - Moriai , et al. March 6, 2	2007-03-06
Digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program Grant 7,164,778 - Nakamura , et al. January 16, 2	2007-01-16
Digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program App 20060204032 - Nakamura; Takao ; et al.	2006-09-14
Digital watermark embedding method, digital watermark embedding apparatus, and storage medium storing a digital watermark embedding program App 20060193491 - Nakamura; Takao ; et al.	2006-08-31
Method and apparatus for digital watermarking Grant 7,072,492 - Ogawa , et al. July 4, 2	2006-07-04
Method and apparatus for digital watermarking App 20050175214 - Ogawa, Hiroshi ; et al.	2005-08-11
Data converter and recording medium on which program for executing data conversion is recorded Grant 6,769,063 - Kanda , et al. July 27, 2	2004-07-27
Method and apparatus for digital watermarking App 20040071312 - Ogawa, Hiroshi ; et al.	2004-04-15
Method and apparatus for digital watermarking Grant 6,704,431 - Ogawa , et al. March 9, 2	2004-03-09
Method and system for message delivery utilizing zero knowledge interactive proof protocol Grant 6,044,463 - Kanda , et al. March 28, 2	2000-03-28
Method and system for message delivery utilizing zero knowledge interactive proof protocol Grant 6,011,848 - Kanda , et al. January 4, 2	2000-01-04
Method and system for digital information protection Grant 5,701,343 - Takashima , et al. December 23, 1	1997-12-23

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