Inventor
NAGANO HIROFUMI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “NAGANO HIROFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VICTOR COMPANY OF JAPAN
19 patentsUS6930977B1Aug 16, 2005
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
VICTOR COMPANY OF JAPAN82 citations99
US5696757ADec 9, 1997
Optical disc, device for checking optical disc and device for recording information on optical disc
VICTOR COMPANY OF JAPAN145 citations99
US5572507ANov 5, 1996
Optical disc, device for checking optical disc, and device for recording information on optical disc
VICTOR COMPANY OF JAPAN124 citations98
US5570339AOct 29, 1996
Optical disc and a recording and/or reproducing apparatus having copy-protection function
VICTOR COMPANY OF JAPAN142 citations98
US7406026B2Jul 29, 2008
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
VICTOR COMPANY OF JAPAN18 citations96
US7072285B2Jul 4, 2006
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
VICTOR COMPANY OF JAPAN32 citations96
US6122245ASep 19, 2000
Optical recording medium and reproducing apparatus for optical recording medium
VICTOR COMPANY OF JAPAN53 citations96
US7672216B2Mar 2, 2010
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
VICTOR COMPANY OF JAPAN12 citations93
US7457228B2Nov 25, 2008
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
VICTOR COMPANY OF JAPAN14 citations93
US5841861ANov 24, 1998
Optical recording medium and reproducing apparatus for optical recording medium
VICTOR COMPANY OF JAPAN35 citations93
US7911931B2Mar 22, 2011
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
VICTOR COMPANY OF JAPAN4 citations74
US7889631B2Feb 15, 2011
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
VICTOR COMPANY OF JAPAN2 citations74
US7664007B2Feb 16, 2010
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
VICTOR COMPANY OF JAPAN4 citations74
US7656784B2Feb 2, 2010
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
VICTOR COMPANY OF JAPAN2 citations74
US7656785B2Feb 2, 2010
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
VICTOR COMPANY OF JAPAN2 citations74
US7656783B2Feb 2, 2010
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
VICTOR COMPANY OF JAPAN2 citations74
US7656782B2Feb 2, 2010
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
VICTOR COMPANY OF JAPAN2 citations74
US7406025B2Jul 29, 2008
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
VICTOR COMPANY OF JAPAN2 citations74
US6188653B1Feb 13, 2001
Optical storage medium and apparatus and method of reproducing data therefrom using different laser power
VICTOR COMPANY OF JAPAN12 citations72
KONDO TETSUYA
4 patentsUS8335151B2Dec 18, 2012
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
KONDO TETSUYA2 citations74
US8335150B2Dec 18, 2012
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
KONDO TETSUYA2 citations74
US8223621B2Jul 17, 2012
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
KONDO TETSUYA2 citations74
US8139470B2Mar 20, 2012
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
KONDO TETSUYA2 citations74
TOSHIBA KK
3 patentsUS6563193B1May 13, 2003
Semiconductor device
TOSHIBA KK22 citations93
US6380566B1Apr 30, 2002
Semiconductor device having FET structure with high breakdown voltage
TOSHIBA KK44 citations93
US10727333B2Jul 28, 2020
Semiconductor device including laterally diffused metal-oxide-semiconductor field effect transistor and method for manufacturing the same
TOSHIBA KK0 citations41
HITACHI LTD
3 patentsUS11682009B2Jun 20, 2023
Resource accommodation assistance system, resource accommodation assistance method, and resource accommodation assistance apparatus
HITACHI LTD2 citations69
US6708878B2Mar 23, 2004
Service providing method
HITACHI LTD3 citations61
US11880478B2Jan 23, 2024
Distribution management apparatus, distribution management system, and distribution management method
HITACHI LTD0 citations48
JVC KENWOOD CORP
2 patentsUS8537654B2Sep 17, 2013
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
JVC KENWOOD CORP0 citations63
US8520490B2Aug 27, 2013
Optical information recording medium, and substrate and manufacturing method for the optical information recording medium
JVC KENWOOD CORP0 citations63