JS

Johannes Hendrikus Maria Spruit

Philips: 5 patents #31 of 1,994Top 2%
📍 Waalre, NL: #1 of 15 inventorsTop 7%
Overall (2003): #9,464 of 273,478Top 4%
5
Patents 2003

Issued Patents 2003

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
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
6538982 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 2003-03-25