Inventor · disambiguated record
Kousuke Anzai
Also filed as: ANZAI KOUSUKE
12 granted patents·1 pending application·250 citations·filing 1999–2006
92Inventor score
Files withHITACHI LTD12
Top patents by PatentIndex Score
13 records- 0182US6563935B1Method of extracting digital watermark information and method of judging bit value of digital watermark informationHITACHI LTD·Filed 1999·Granted May 13, 2003·81 cites·20 claims
- 0281US7113613B2Watermark information detection methodHITACHI LTD·Filed 2002·Granted Sep 26, 2006·29 cites·4 claims
- 0381US6456727B1Method of extracting digital watermark information and method of judging but value of digital watermark informationHITACHI LTD·Filed 2000·Granted Sep 24, 2002·25 cites·6 claims
- 0475US7065226B1Method for embedding information and extracting the sameHITACHI LTD·Filed 2000·Granted Jun 20, 2006·23 cites·6 claims
- 0574US7748041B2Tool, method, and program for supporting system security design/evaluationHITACHI LTD·Filed 2006·Granted Jun 29, 2010·9 cites·14 claims
- 0670US7478432B2Method and system for contents controlHITACHI LTD·Filed 2002·Granted Jan 13, 2009·16 cites·25 claims
- 0770US7293294B2Method and apparatus for using contentsHITACHI LTD·Filed 2003·Granted Nov 6, 2007·18 cites·20 claims
- 0869US6650763B2Method of extracting digital watermark information and method of judging bit value of digital watermark informationHITACHI LTD·Filed 2002·Granted Nov 18, 2003·12 cites·6 claims
- 0958US6665417B1Method of judging digital watermark informationHITACHI LTD·Filed 1999·Granted Dec 16, 2003·25 cites·6 claims
- 1057US6970575B2Method of extracting digital watermark information and method of judging bit value of digital watermark informationHITACHI LTD·Filed 2003·Granted Nov 29, 2005·5 cites·11 claims
- 1152US7310428B2Method of detecting digital watermark informationHITACHI LTD·Filed 2003·Granted Dec 18, 2007·4 cites·6 claims
- 1251US6959101B2Method of judging digital watermark informationHITACHI LTD·Filed 2003·Granted Oct 25, 2005·3 cites·21 claims
- 1339US2004008923A1Method for embedding digital watermark informationFiled 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Kousuke Anzai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →