Inventor
IWANAGA TOSHIAKI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “IWANAGA TOSHIAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
17 patentsUS6861965B2Mar 1, 2005
Code modulating method and code modulating apparatus, demodulating method and demodulating apparatus, and information recording medium
NEC CORP21 citations92
US6459661B1Oct 1, 2002
Optical disk and optical disk device
NEC CORP35 citations92
US4951274AAug 21, 1990
Magneto-optical head capable of separating beams for reading recorded information and servo information by use of one optical element
NEC CORP44 citations92
US7489620B2Feb 10, 2009
Optical information recording and reproducing medium
NEC CORP15 citations83
US7295500B2Nov 13, 2007
Recording condition setting method and information recorder using same
NEC CORP15 citations79
US6108293AAug 22, 2000
Gain control of a reproduced signal amplifier for precise monitoring of a reproduced signal during recording
NEC CORP7 citations74
US5889744AMar 30, 1999
Magneto-optical disk recording device and capable of verifying recorded state during recording and checking erased state during erasing
NEC CORP10 citations74
US5883868AMar 16, 1999
Magneto-optical disk recording device capable of checking erased state during erasing
NEC CORP8 citations74
US5708639AJan 13, 1998
Magneto-optical disk recording device capable of verifying recorded state during recording and checking erased state during erasing
NEC CORP11 citations74
US5689487ANov 18, 1997
Verify-while-recording device for optical disk recording apparatus
NEC CORP10 citations74
US7636287B2Dec 22, 2009
Reproduced signal equalizing method for optical information media and optical information reproducing/recording apparatus
NEC CORP6 citations63
US7414955B2Aug 19, 2008
Optical disc and recording/producing method therefor
NEC CORP5 citations63
US6643234B2Nov 4, 2003
Optical disk device
NEC CORP2 citations63
US6621774B2Sep 16, 2003
Optical disk device
NEC CORP4 citations63
US5751677AMay 12, 1998
Magnetio optical disk recording device capable of verifying recorded state during recording and checking erased state during erasing
NEC CORP2 citations63
US7355957B2Apr 8, 2008
Optical disc medium having a system information recording area of low recording density
NEC CORP6 citations62
US7196984B2Mar 27, 2007
Optical disk medium and optical disk recording and reproducing apparatus
NEC CORP6 citations61
YASKAWA DENKI SEISAKUSHO KK
4 patentsUS6065364AMay 23, 2000
Stopper for use in an industrial robot
YASKAWA DENKI SEISAKUSHO KK25 citations92
US5456132AOct 10, 1995
Wrist mechanism for industrial robot
YASKAWA DENKI SEISAKUSHO KK27 citations90
US5265489ANov 30, 1993
Arm-driving device for industrial robot
YASKAWA DENKI SEISAKUSHO KK10 citations71
US4998830AMar 12, 1991
Device for supporting arm driving shafts of industrial robot
YASKAWA DENKI SEISAKUSHO KK4 citations58
TOSHIBA KK
3 patentsUS7184381B2Feb 27, 2007
Optical disk, optical disk recording/reproduction apparatus, and optical disk signal quality evaluation method
TOSHIBA KK30 citations92
US7428203B2Sep 23, 2008
Signal evaluation method, information recording/reproducing apparatus, information reproducing apparatus, and information recording medium
TOSHIBA KK7 citations72
US7471601B2Dec 30, 2008
Optical disk recording/reproducing method, optical disk recording/reproducing apparatus and optical disk
TOSHIBA KK3 citations61