JS

Johannes Hendrikus Maria Spruit

Philips: 27 patents #51 of 7,731Top 1%
Koniniklijke Philips N.V.: 13 patents #523 of 7,486Top 7%
TG Trumpf Photonic Components Gmbh: 9 patents #6 of 53Top 15%
AB Asml Netherlands B.V.: 2 patents #1,484 of 3,192Top 50%
PG Philips Photonics Gmbh: 1 patents #4 of 22Top 20%
Robert Bosch Gmbh: 1 patents #10,465 of 19,740Top 55%
📍 Waalre, NL: #7 of 260 inventorsTop 3%
Overall (All Time): #49,071 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 26–50 of 53 patents

Patent #TitleCo-InventorsDate
8407415 De-icing of multi-layer storage media Robert Albertus Brondijk, Jakob Gerrit Nijboer, Pope Ijtsma, Paulus Gijsbertus Petrus Weijenbergh 2013-03-26
8339911 Method and device for retrieving information from an optical record carrier at various reading speeds Bas Feddes, Jakob Gerrit Nijboer, Paul Weijenbergh 2012-12-25
8154965 Method and device for retrieving information from an optical record carrier at various reading speeds Bas Feddes, Jacob G. Nijboer, Paul Weijenbergh 2012-04-10
7738327 Device and method for scanning an optical recording medium and optical recording medium Hendrikus Albertus Johanna Looijmans 2010-06-15
7426160 Device for detecting position information from an optical record carrier Johannes J. L. M. Van Vlerken 2008-09-16
7362673 Optical recording method and apparatus using this method Winslow M. Mimnagh, Arie Jeffrey Den Boef 2008-04-22
7355937 Method and device for recording information in units Gijsbert J. Van Den Enden, Ronald R. Drenten, Jacobus M. Eradus, Johannes J. L. M. Van Vlerken, Robert Albertus Brondijk +1 more 2008-04-08
7330415 Optical record carrier recording method and recording apparatus Johannes J. L. M. Van Vlerken 2008-02-12
7269113 Power correction for device for scanning a record carrier 2007-09-11
7221643 Rewritable data storage medium having erasable identification marks Johan Cornelis Talstra 2007-05-22
7123563 Optical recording method and apparatus using this method Winslow M. Mimnagh, Arie Jeffrey Den Boef 2006-10-17
7110336 Methods, optical recording apparatus using such methods and optical recording medium for use by the methods and the apparatus Aalbert Stek, Cai-Gang Xu, Joris Van De Pas 2006-09-19
7054245 Record carrier, playback device and method of recording information Gijsbert J. Van Den Enden, Johan Paul Marie Gerard Linnartz, Johan Cornelis Talstra 2006-05-30
7038991 Method and device for recording information in units Johannes J. L. M. Van Vlerken 2006-05-02
6986150 Rewritable data storage medium having erasable identification marks Johan Cornelis Talstra, Robert Albertus Brondijk, Ronald R. Drenten 2006-01-10
6967909 Method and device for recording information in units Gijsbert J. Van Den Enden, Ronald R. Drenten, Jacobus M. Eradus, Johannes J. L. M. Van Vlerken, Robert Albertus Brondijk +1 more 2005-11-22
6853615 Optical record carrier Johannes J. L. M. Van Vlerken 2005-02-08
6765861 Record carrier and apparatus for scanning the record carrier Johannes J. L. M. Van Vlerken, Ronald R. Drenten, Jakob Gerrit Nijboer, Paulus G. P. Weyenbergh 2004-07-20
6717895 Methods of determining the optimal erase and write power, and recording apparatus with devices for said methods Guo-Fu Zhou, Roel Van Woudenberg 2004-04-06
6714508 Optical recording carrier having groove wobble phase changes between subsequent predetermined positions Johannes J. L. M. Van Vlerken 2004-03-30
6700861 Optical disc and apparatus for scanning the optical disc Gijsbert J. Van Den Enden, Johannus Bakx, Shoei Kobayashi, Masayuki Arai, Yoshiyuki Akiyama 2004-03-02
6628583 Method and device for recording information in linking block units Gijsbert J. Van Den Enden, Ronald R. Drenten, Jacobus M. Eradus, Johannes J. L. M. Van Vlerken, Robert Albertus Brondijk +1 more 2003-09-30
6584051 Methods of determining the optimal erase and write power, and recording apparatus with devices for said methods Guo-Fu Zhou, Roel Van Woudenberg 2003-06-24
6580680 Optical disc and apparatus for scanning the optical disc Gijsbert J. Van Den Enden, Johannus Bakx, Shoei Kobayashi, Masayuki Arai, Yoshiyuki Akiyama 2003-06-17
6549495 Record carrier, playback device and method of recording information Gijsbert J. Van Den Enden, Johan Paul Marie Gerard Linnartz, Johan Cornelis Talstra 2003-04-15