Inventor · disambiguated record
Kazumi Sugaya
Also filed as: SUGAYA KAZUMI
13 granted patents·1 pending application·576 citations·filing 1998–2019
94Inventor score
Top patents by PatentIndex Score
14 records- 0192US6389152B2Method and apparatus for superposing a digital watermark and method and apparatus for detecting a digital watermarkPIONEER ELECTRONIC CORP·Filed 2001·Granted May 14, 2002·67 cites·24 claims
- 0290US6954856B1Additional information embedding method, additional information detecting method, additional information embedding apparatus and additional information detecting apparatusHITACHI LTD·Filed 2000·Granted Oct 11, 2005·28 cites·18 claims
- 0390US6707774B1Recording and reproducing system, recording apparatus and reproducing apparatus having copy protection functionPIONEER ELECTRIC CORP·Filed 1999·Granted Mar 16, 2004·111 cites·9 claims
- 0490US6246775B1Method and appartus for superposing a digital watermark and method and apparatus for detecting a digital watermarkPIONEER ELECTRONIC CORP·Filed 1998·Granted Jun 12, 2001·157 cites·24 claims
- 0586US6633723B1Recording and reproducing system, recording apparatus and reproducing apparatus having copy protection functionPIONEER ELECTRIC CORP·Filed 1999·Granted Oct 14, 2003·50 cites·27 claims
- 0675US6711276B1Control method and apparatus for embedding information in dataHITACHI LTD·Filed 1999·Granted Mar 23, 2004·57 cites·17 claims
- 0766US11238718B2Vibration control devicePIONEER CORP·Filed 2019·Granted Feb 1, 2022·2 cites·16 claims
- 0863US6990584B1Method of and apparatus for restricting copy of digital information, and apparatus for recording digital informationSONY CORP·Filed 1999·Granted Jan 24, 2006·26 cites·31 claims
- 0963US6111990ADigital-watermark superposing apparatus and digital-watermarker detecting apparatusPIONEER ELECTRONIC CORP·Filed 1998·Granted Aug 29, 2000·36 cites·7 claims
- 1058US6823074B1Digital-watermark superposing apparatus and digital-watermarker detecting apparatusPIONEER CORP·Filed 2000·Granted Nov 23, 2004·7 cites·18 claims
- 1157US7085474B2Watermark detecting apparatusPIONEER CORP·Filed 2001·Granted Aug 1, 2006·3 cites·1 claims
- 1257US6449015B1Redundant picture detecting device, and picture converting apparatus employing the samePIONEER ELECTRONIC CORP·Filed 1999·Granted Sep 10, 2002·21 cites·30 claims
- 1349US2004101282A1Recording and reproducing system, recording apparatus and reproducing apparatus having copy protection functionPIONEER ELECTRONIC CORP·Filed 2003·Application pending·0 cites
- 1445US6804452B1Apparatus for generating recording signal including image data and copy condition informationPIONEER ELECTRONIC CORP·Filed 1999·Granted Oct 12, 2004·11 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →