Inventor
TADA YUKINOBU
JP22 patents
⚠️ This page may combine multiple inventors who share the name “TADA YUKINOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
17 patentsUS6865141B2Mar 8, 2005
Optical disc apparatus switching focus point between layers
HITACHI LTD33 citations96
US6002831ADec 14, 1999
Image recording/reproducing apparatus
HITACHI LTD40 citations95
US7209631B2Apr 24, 2007
Image recording/reproducing apparatus
HITACHI LTD18 citations92
US6275646B1Aug 14, 2001
Image recording/reproducing apparatus
HITACHI LTD27 citations92
US5170249ADec 8, 1992
Digital signal processing apparatus having devices for delaying and combining color signals
HITACHI LTD41 citations92
US6895393B1May 17, 2005
Electronic book distributing system by use of purchase certificate and devices therefor
HITACHI LTD36 citations89
US5839683ANov 24, 1998
Apparatus for controlling tape speed
HITACHI LTD8 citations73
US7111133B2Sep 19, 2006
Control apparatus for selectively operating with program data from two memories and having a system controller supplying program data and address for writing the data to the second memory
HITACHI LTD7 citations72
US7848190B2Dec 7, 2010
Optical disc apparatus switching focus point between layers
HITACHI LTD2 citations63
US7471597B2Dec 30, 2008
Optical disc apparatus switching focus point between layers
HITACHI LTD2 citations63
US7200075B2Apr 3, 2007
Optical disc apparatus switching focus point between layers
HITACHI LTD2 citations63
US6158682ADec 12, 2000
Tape running apparatus
HITACHI LTD3 citations62
US6089485AJul 18, 2000
Apparatus or method for controlling tape speed
HITACHI LTD3 citations62
US5617266AApr 1, 1997
Motor stabilizing control apparatus for use with motors, including for use with a drum motor in a magnetic tape system
HITACHI LTD4 citations62
US7212472B2May 1, 2007
Focus point switching
HITACHI LTD0 citations52
US7151722B2Dec 19, 2006
Optical disc apparatus switching focus point between layers
HITACHI LTD0 citations52
US6665237B2Dec 16, 2003
Control apparatus and optical disc apparatus using it
HITACHI LTD0 citations50