Inventor
NARUMI KENJI
JP74 patents
⚠️ This page may combine multiple inventors who share the name “NARUMI KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
29 patentsUS6411575B1Jun 25, 2002
Optical recording medium having an area for recording a plurality of recording/reproduction conditions to be used in recording/reproduction apparatuses and recording/reproduction method and apparatus therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD116 citations99
US7193948B2Mar 20, 2007
Optical recording medium, method for recording on optical record medium, and apparatus for recording on optical record medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD69 citations98
US7376058B2May 20, 2008
Optical information recording medium containing a plurality of recording layers provided with characteristics to achieve optimum recording conditions
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD47 citations96
US6487151B1Nov 26, 2002
Optical information recording and reproducing system with overwrite capability and recording medium for use therewith
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD47 citations96
US6031814AFeb 29, 2000
Optical disk with stop-pulse generating means in a guide groove
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD42 citations96
US6707776B2Mar 16, 2004
Recording and reproducing method of optical information recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations93
US6535468B2Mar 18, 2003
Optical recording medium having an area for recording a plurality of recording/reproduction conditions to be used in recording/reproduction apparatuses and recording/reproduction method and apparatus therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations93
US6529457B1Mar 4, 2003
Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations93
US6480449B1Nov 12, 2002
Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations93
US6414922B1Jul 2, 2002
Optical recording medium having an area for recording a plurality of recording/reproduction conditions to be used in recording/reproduction apparatuses and recording/reproduction method and apparatus therefore
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations93
US6031800AFeb 29, 2000
Method for writing and reading optical recording medium with varying writing start points
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations93
US6975571B1Dec 13, 2005
Method for optically recording information and device for optically recording information by the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations92
US7088656B2Aug 8, 2006
Method for optically recording information and device for optically recording information by the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US6906988B1Jun 14, 2005
Method and apparatus for recording/reproducing information with respect to optical recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US6893698B2May 17, 2005
Optical information recording medium, optical measuring method and optical information recording/reproducing method
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74
US6754143B2Jun 22, 2004
Optical information recording medium, and method and apparatus for recording/reproducing information thereon
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations74
US6163514ADec 19, 2000
Method and apparatus for writing and reading optical recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations74
US6115343ASep 5, 2000
Method and apparatus for writing and reading optical recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations74
US6097682AAug 1, 2000
Method and apparatus for writing and reading optical recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations74
US7116623B2Oct 3, 2006
Optical information recording method, optical information recording device and optical information recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations63
US6922387B1Jul 26, 2005
Optical information recording medium, and method and apparatus for recording/reproducing information thereon
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations63
US6700849B2Mar 2, 2004
Method and apparatus for writing and reading optical recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations63
US6697313B2Feb 24, 2004
Optical information recording and reproducing system with overwrite capability and recording medium for use therewith
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US6683739B2Jan 27, 2004
Optical information recording and reproducing system with overwrite capability and recording medium for use therewith
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US6526013B1Feb 25, 2003
Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4 citations63
US6526012B1Feb 25, 2003
Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63
US6483788B1Nov 19, 2002
Method and apparatus for writing and reading optical recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD0 citations63
US6111836AAug 29, 2000
Method and apparatus for writing and reading optical recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations63
US6108290AAug 22, 2000
Method and apparatus for writing and reading optical recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations63
PANASONIC IP MAN CO LTD
10 patentsUS9661193B2May 23, 2017
Imaging apparatus and analyzing apparatus
PANASONIC IP MAN CO LTD7 citations84
US10088293B2Oct 2, 2018
Light detection device including light detector, light coupling layer, and light shielding film, and light detection system including same
PANASONIC IP MAN CO LTD2 citations73
US10051159B2Aug 14, 2018
Imaging apparatus and imaging system
PANASONIC IP MAN CO LTD4 citations73
US11450706B2Sep 20, 2022
Structural body, imaging device and method for manufacturing the structural body
PANASONIC IP MAN CO LTD2 citations72
US12248140B2Mar 11, 2025
Optical device
PANASONIC IP MAN CO LTD0 citations63
US12042260B2Jul 23, 2024
Biometric apparatus, biometric method, and non-transitory computer-readable storage medium
PANASONIC IP MAN CO LTD0 citations62
US12591065B2Mar 31, 2026
Distance measurement device and distance measurement system
PANASONIC IP MAN CO LTD0 citations52
US12520029B2Jan 6, 2026
Imaging system using sensor(s) and camera for determining velocity, position and/or timing of an object
PANASONIC IP MAN CO LTD0 citations52
US10190872B2Jan 29, 2019
Photodetection device including interference element
PANASONIC IP MAN CO LTD0 citations52
US10082389B2Sep 25, 2018
Photodetection device including interference element
PANASONIC IP MAN CO LTD0 citations52
PANASONIC CORP
7 patentsUS7881173B2Feb 1, 2011
Optical information recording method, optical information recording device and optical information recording medium
PANASONIC CORP2 citations63
US7821892B2Oct 26, 2010
Optical information recording method, optical information recording device and optical information recording medium
PANASONIC CORP1 citations63
US7813239B2Oct 12, 2010
Optical information recording method, optical information recording device and optical information recording medium
PANASONIC CORP1 citations63
US7760596B2Jul 20, 2010
Optical information recording method, optical information recording device, and optical information recording medium
PANASONIC CORP1 citations63
US7450480B2Nov 11, 2008
Optical information recording method, optical information recording device and optical information recording medium
PANASONIC CORP4 citations63
US7978574B2Jul 12, 2011
Optical information recording method, optical information recording apparatus, and optical information recording medium
PANASONIC CORP1 citations52
US7894318B2Feb 22, 2011
Optical information recording medium, optical information recording method, and optical information recording apparatus
PANASONIC CORP0 citations52
TOKAI RIKA CO LTD
3 patentsUS11124153B2Sep 21, 2021
Driver condition estimation device
TOKAI RIKA CO LTD6 citations73
US11572037B2Feb 7, 2023
Driver assistance system and driver assistance method
TOKAI RIKA CO LTD0 citations52
US10997861B2May 4, 2021
Luminance control device, luminance control system, and luminance control method
TOKAI RIKA CO LTD0 citations52
TOYOTA MOTOR CO LTD
1 patentShowing the top 50 of 74 patents by PatentIndex Score.