Inventor

Jacobus Petrus Josephus Heemskerk

Inventor

Eindhoven, NL

Overview

18→

Patents

2003–2016

Patent span

Physics

Primary field (CPC G)

Patents· 18 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary

G11BInformation storage based on relative movement between record carrier and transducer95%

H03MCoding5%

PatentTitleYear

9,431,048'Detection of data in burst cutting area of optical disk'2016 8,718,277'Information carrier comprising access information'2014 8,611,195'Detection of data in burst cutting area of optical disk'2013 8,144,555'System and method for embedding optical drive compatibility information in optical media'2012 7,872,953'Detection of data in burst cutting areas of optical disk'2011 7,656,780'Optical recording medium having first and second wobble patterns'2010 7,616,552'Phase-change optical recording medium having first and second track pitches'2009 7,388,826'Optical recording medium capable of recording three data values'2008 7,292,515'Multi-layer information storage system with focus and radial positioning error detection'2007 7,187,640'Method for recording on multi-layer phase-change optical discs'2007 7,167,438'Optical disc with different wobble patterns in different grooves'2007 7,123,557'Disc-shaped recording medium disc driving device and method and apparatus for producing disc'2006 7,110,332'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'2006 7,038,600'Method and device for adding or extracting a secondary information signal to/from a RLL code sequence'2006 6,999,391'Disc driving device and wobble information detection method'2006 6,930,966'Method of hiding areas on a disc like recording of the optically rewritable type'2005 6,704,263'Method of preventing recording on a disc like recording medium of the optically rewritable type'2004 6,538,978'Multi-layer optical record carrier not requiring spherical aberration correction'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2012Patents assigned to KONINKL PHILIPS ELECTRONICS NV (12)· patent assignee history

2003–2014Based in Eindhoven, NL· patent location history

2006–2010Patents assigned to SONY CORP (6)· patent assignee history

2006–2016Based in Veldhoven, NL· patent location history

2009–2010Patents assigned to PANASONIC CORP (2)· patent assignee history

2012–2014Patents assigned to HEEMSKERK JACOBUS PETRUS JOSEPHUS (3)· patent assignee history

2013–2014Patents assigned to KONINKL PHILIPS NV (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
KONINKL PHILIPS ELECTRONICS NV	12	2003–2012
SONY CORP	6	2006–2010
HEEMSKERK JACOBUS PETRUS JOSEPHUSself	3	2012–2014
KONINKL PHILIPS NV	2	2013–2014
PANASONIC CORP	2	2009–2010

Locations

Location	Patents	Span
Eindhoven, NL	14	2003–2014
Veldhoven, NL	4	2006–2016