Inventor
FUKUZAWA NARUTOSHI
JP36 patents
⚠️ This page may combine multiple inventors who share the name “FUKUZAWA NARUTOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TDK CORP
30 patentsUS7102969B2Sep 5, 2006
Multi-level optical recording medium reproducing method and reproducing device
TDK CORP10 citations73
US11088573B2Aug 10, 2021
Metallic foreign object detector, wireless power transmitting device, wireless power receiving device, and wireless power transmission system
TDK CORP3 citations72
US11056925B2Jul 6, 2021
Wireless power transmitting device, wireless power receiving device, and wireless power transmission system
TDK CORP2 citations72
US9558882B2Jan 31, 2017
Power feeding coil unit and wireless power transmission device
TDK CORP2 citations72
US6891790B2May 10, 2005
Optical recording medium, optical recording device and optical recording method
TDK CORP8 citations72
US11152821B2Oct 19, 2021
Metallic foreign object detector, wireless power transmitting device, wireless power receiving device, and wireless power transmission system
TDK CORP1 citations62
US10862349B2Dec 8, 2020
Metallic foreign object detector, wireless power transmitting device, wireless power receiving device, and wireless power transmission system
TDK CORP1 citations62
US10862314B2Dec 8, 2020
Wireless power transmitting device, wireless power receiving device, and wireless power transmission system
TDK CORP1 citations62
US7796483B2Sep 14, 2010
Method for evaluating read stability of optical disc and information reproduction apparatus
TDK CORP2 citations62
US7791999B2Sep 7, 2010
Writing condition optimizing method and apparatus, and optical recording medium
TDK CORP2 citations62
US7733762B2Jun 8, 2010
Super-resolution optical recording medium and method for recording information on super-resolution optical recording medium
TDK CORP2 citations62
US7573803B2Aug 11, 2009
Optical recording disc
TDK CORP3 citations62
US7247417B2Jul 24, 2007
Optical recording medium and optical recording/reproducing method
TDK CORP5 citations62
US6905749B2Jun 14, 2005
Optical recording disk, method for making and using the same
TDK CORP2 citations62
US7876665B2Jan 25, 2011
Optical recording medium and method for reproducing information from optical recording medium
TDK CORP0 citations52
US7132148B2Nov 7, 2006
Optical recording disk
TDK CORP0 citations52
US7014902B2Mar 21, 2006
Optical disc and method for manufacturing the same
TDK CORP0 citations52
US7008682B2Mar 7, 2006
Optical disc and method for manufacturing the same
TDK CORP0 citations52
US7008683B2Mar 7, 2006
Optical disc and method for manufacturing the same
TDK CORP0 citations52
US9330838B2May 3, 2016
Coil unit
TDK CORP0 citations51
US7167439B2Jan 23, 2007
Multilevel optical recording medium with calibration signals
TDK CORP0 citations51
US7022393B2Apr 4, 2006
Optical recording medium
TDK CORP0 citations51
US10284017B2May 7, 2019
Coil device and wireless power transmission device
TDK CORP0 citations49
US9672973B2Jun 6, 2017
Wireless power transmission device
TDK CORP1 citations43
US7944802B2May 17, 2011
Super-resolution optical recording medium and method for recording information on super-resolution optical recording medium
TDK CORP0 citations41
US7719944B2May 18, 2010
Method and apparatus for recording information on optical recording medium with compensation for thermal effects in ultra-high-density optical recording and reproducing system
TDK CORP0 citations41
US7672217B2Mar 2, 2010
Optical recording medium and optical recording/reproducing method
TDK CORP0 citations41
US7646687B2Jan 12, 2010
Method for determining recording laser power for super-resolution optical recording medium and apparatus for recording information on super-resolution optical recording medium
TDK CORP0 citations41
US7554894B2Jun 30, 2009
Data recording and readingout system
TDK CORP0 citations41
US7394744B2Jul 1, 2008
Reproduction apparatus and information recording medium testing apparatus
TDK CORP0 citations41