JH

Jacobus Petrus Josephus Heemskerk

Philips: 15 patents #193 of 7,731Top 3%
SO Sony: 6 patents #6,793 of 25,231Top 30%
Sumitomo Electric Industries: 4 patents #6,367 of 21,551Top 30%
Koniniklijke Philips N.V.: 3 patents #2,122 of 7,486Top 30%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
DP Dell Products: 1 patents #3,684 of 6,820Top 55%
HP HP: 1 patents #3,612 of 7,018Top 55%
Overall (All Time): #257,027 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
9431048 Detection of data in burst cutting area of optical disk Maarten Kuijper, Bart Van Rompaey, Cornelis Marinus Schep, Josephus Arnoldus Henricus Maria Kahlman 2016-08-30
8718277 Information carrier comprising access information Aalbert Stek, Martinus Wilhelmus Blum, Bart Van Rompaey 2014-05-06
8611195 Detection of data in burst cutting area of optical disk Maarten Kuijper, Bart Van Rompaey, Cornelis Marinus Schep, Josephus Arnoldus Henricus Maria Kahlman 2013-12-17
8144555 System and method for embedding optical drive compatibility information in optical media Dirk Erickson, Robert Albertus Brondijk, Jakob Gerrit Nijboer, Christiaan Steenbergen, Charles R. Weirauch 2012-03-27
7872953 Detection of data in burst cutting areas of optical disk Maarten Kuijper, Bart Van Rompaey, Cornelis Marinus Schep, Josephus Arnoldus Henricus Maria Kahlman 2011-01-18
7656780 Optical recording medium having first and second wobble patterns Cornelis Marinus Schep, Aalbert Stek, Hiromichi Ishibashi, Shigeru Furumiya, Shoei Kobayashi +1 more 2010-02-02
7616552 Phase-change optical recording medium having first and second track pitches Shinya Abe, Shin-ichi Tanaka, Hiroshi Ogawa, Tamotsu Yamagami, Cornelis Marinus Schep 2009-11-10
7388826 Optical recording medium capable of recording three data values Cornelis Marinus Schep, Aalbert Stek, Hiromichi Ishibashi, Shigeru Furumiya, Shoei Kobayashi +1 more 2008-06-17
7292515 Multi-layer information storage system with focus and radial positioning error detection Antonius H. M. Holtslag, Derk Visser, Peter Coops 2007-11-06
7187640 Method for recording on multi-layer phase-change optical discs Igolt Pieter Douwes Ubbens 2007-03-06
7167438 Optical disc with different wobble patterns in different grooves Cornelis Marinus Schep, Aalbert Stek, Shigeru Furumiya, Hiromichi Ishibashi, Junichi Minamino +3 more 2007-01-23
7123557 Disc-shaped recording medium disc driving device and method and apparatus for producing disc Cornelis Marinus Schep, Aalbert Stek, Shinichi Tanaka, Hiromichi Ishibashi, Shigeru Furumiya +3 more 2006-10-17
7110332 Record carrier having a servo track with position information in accordance with a modulation type and permanent information in accordance with a different modulation type, and apparatus for scanning the record carrier Cornelis Marinus Schep, Aalbert Stek 2006-09-19
7038600 Method and device for adding or extracting a secondary information signal to/from a RLL code sequence Willem Marie Julia Marcel Coene, Johan Cornelis Talstra, Antonius Adriaan Maria Staring 2006-05-02
6999391 Disc driving device and wobble information detection method Cornelis Marinus Schep, Aalbert Stek, Shinichi Tanaka, Shigeru Furumiya, Shoei Kobayashi +1 more 2006-02-14
6930966 Method of hiding areas on a disc like recording of the optically rewritable type Jakob Gerrit Nijboer 2005-08-16
6704263 Method of preventing recording on a disc like recording medium of the optically rewritable type Jakob Gerrit Nijboer 2004-03-09
6538978 Multi-layer optical record carrier not requiring spherical aberration correction Antonius H. M. Holtslag, Derk Visser, Peter Coops 2003-03-25