IDiyas

For the Inventor, By the Inventor

Fukuoka, Japan

Takashi Katsura

USPTO Granted Patents = 14


Average Co-Inventor Count = 3.1

ph-index = 7

Forward Citations = 203(Granted Patents)


Location History:

  • Osaka, JP (1986)
  • Fukuoka, JP (2002 - 2010)

Company Filing History:

goldMedal13 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal1 out of 16,453 
 
Panasonic Corporation
 patents

Years Active: 1986-2010

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14 patents (USPTO):Explore Patents
1. 7680296 - Information embedding device and program for changing a number of points that exist on sides of a polygon (2010-03-16),
2. 7356700 - Digital watermark-embedding apparatus and method, digital watermark-detecting apparatus and method, and recording medium (2008-04-08),
3. 7315621 - Digital watermark-embedding apparatus, digital watermark-embedding method, and recording medium (2008-01-01),
4. 7187782 - Digital watermark-embedding apparatus, digital watermark-embedding method, and recording medium having recoded therein a program for performing the digital watermark-embedding method (2007-03-06),
5. 7142692 - Reproduction equipment, reproduction equipment specifying equipment, reproduction equipment specifying system and methods and recording media for said equipment and system (2006-11-28),
6. 7127614 - Justification authenticating system, personal certificate issuing system, and personal certificate (2006-10-24),
7. 7003666 - Apparatus and method for embedding information for tamper detection and detecting tamper and recording medium having program for carrying out the method recorded thereon (2006-02-21),
8. 6898297 - Digital watermark embedding method, digital watermark extracting method, recording medium, image recording device, and image replaying device (2005-05-24),
9. 6788821 - Digital information embedding/extracting apparatus and method, and medium including a program for executing the method recorded thereon (2004-09-07),
10. 6728409 - Apparatus for and method of embedding and extracting digital information and medium having program for carrying out the method recorded thereon (2004-04-27),
11. 6693965 - Apparatus for and method of embedding and extracting digital information, and medium having program for carrying out the method recorded thereon (2004-02-17),
12. 6639997 - Apparatus for and method of embedding and extracting digital information and medium having program for carrying out the method recorded thereon (2003-10-28),
13. 6477276 - Apparatus for and method of embedding and extracting digital information and medium having program for carrying out the method recorded thereon (2002-11-05),
14. 4600862 - Discharge lamp operation apparatus (1986-07-15),
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