Inventor · disambiguated record
Klaus Holzapfel
Also filed as: HOLZAPFEL KLAUS
13 granted patents·6 pending applications·43 citations·filing 1985–2014
88Inventor score
Files withSPITZLINGER MARKUS6SONY DADC AUSTRIA AG4BASF COATINGS AG3HOLZAPFEL KLAUS3ROLAND MAN DRUCKMASCH1
Top patents by PatentIndex Score
19 records- 0173US8717857B2Method for copy protectionSPITZLINGER MARKUS·Filed 2010·Granted May 6, 2014·6 cites·24 claims
- 0272US8000179B2Optical disc including two different sets of sectors having identical IDsSONY DADC AUSTRIA AG·Filed 2007·Granted Aug 16, 2011·3 cites·21 claims
- 0360US5888592ALaboratory drier and methodBASF COATINGS AG·Filed 1997·Granted Mar 30, 1999·19 cites·18 claims
- 0453US7532558B2Data recording method and data recording mediumSONY DADC AUSTRIA AG·Filed 2003·Granted May 12, 2009·3 cites·17 claims
- 0551US2008288371A1Internet based method and process for facilitating the presentation, sale, purchase, development and management of creative ideas concepts and contentHOLZAPFEL KLAUS·Filed 2008·Application pending·0 cites
- 0650US9013970B2Method for copy protectionSONY DADC AUSTRIA AG·Filed 2014·Granted Apr 21, 2015·0 cites·21 claims
- 0748US7399503B2Process for producing multi-layer coating wherein the quotient of the surface energies of a second coating layer divided by a first coating layer is less-than-or-equal-to 1BASF COATINGS AG·Filed 2004·Granted Jul 15, 2008·0 cites·18 claims
- 0847US8356355B2DVD copy protectionSONY DADC AUSTRIA AG·Filed 2004·Granted Jan 15, 2013·2 cites·41 claims
- 0946US2002142101A1Substrate having a multilayer coat and method for its productionFiled 2002·Application pending·0 cites
- 1043US8649513B2Method for converting non copy protected data into copy protected dataHOLZAPFEL KLAUS·Filed 2006·Granted Feb 11, 2014·1 cites·19 claims
- 1142US8374064B2Method and devices for copy protection, copy protected record carrierSONY CORP·Filed 2012·Granted Feb 12, 2013·0 cites·11 claims
- 1239US8441898B2Method and devices for copy protection, copy protected record carrierHOLZAPFEL KLAUS·Filed 2012·Granted May 14, 2013·0 cites·20 claims
- 1336US9263085B2Method for copy protectionSPITZLINGER MARKUS·Filed 2011·Granted Feb 16, 2016·0 cites·17 claims
- 1436US6426147B1Substrate having a multilayer coat and method for its productionBASF COATINGS AG·Filed 1998·Granted Jul 30, 2002·4 cites·9 claims
- 1534US4640190ACoaxial shaft connection for a printing machine cylinderROLAND MAN DRUCKMASCH·Filed 1985·Granted Feb 3, 1987·5 cites·3 claims
- 1634US2012128332A1Method for copy protectionSPITZLINGER MARKUS·Filed 2011·Application pending·0 cites
- 1734US2012134649A1Method for copy protectionSPITZLINGER MARKUS·Filed 2011·Application pending·0 cites
- 1834US2012134650A1Method for copy protectionSPITZLINGER MARKUS·Filed 2011·Application pending·0 cites
- 1933US2012134248A1Method for copy protectionSPITZLINGER MARKUS·Filed 2011·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Klaus Holzapfel 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 →